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Knockdown Rebuild North Balgowlah — From $450K All-In

Fixed-price knockdown rebuild in North Balgowlah 2093. Demolition, new home, all Northern Beaches Council approvals under one contract. No surprises, no variation trail.

Based in Fairfield, Western Sydney5.0 Google RatingLicensed & Insured (LIC 487805C)HIA Member — Buildana Custom Home Builders SydneyHIA MemberMaster Builders Association NSW Member — BuildanaMBA NSW0476 300 300
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Quick Answer

A knockdown rebuild in North Balgowlah costs $450,000–$1,200,000+. Standard single-storey from $450K, two-storey from $650K. Buildana manages demolition, Northern Beaches Council approvals, and construction under one fixed-price contract.

New Home on Your North Balgowlah Block

KDR in North Balgowlah works 500–800m² 1950s–1980s brick stock — Hawkesbury Sandstone rock excavation. End values $2.6M–$3.8M. Pre-construction 5–8 months.

On the ground in North Balgowlah (2093), the practical numbers shape every knockdown rebuild. Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 500–800m² blocks. R2 Low / R3 Medium (Manly, Dee Why, Brookvale, Mona Vale, Avalon town centres) / RU2 Rural Landscape (Ingleside, Terrey Hills, Duffys Forest, Oxford Falls) / E3/E4 Environmental on bushland fringe zoning under Northern Beaches Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across North Balgowlah sits at $2.6M–$3.8M, which frames the build-versus-buy decision from the start. B-Line bus to CBD via Mosman station services the suburb, and that proximity affects everything from rental demand to construction site access.

Buildana manages the complete knockdown rebuild process in North Balgowlah — from site assessment and architectural design through to DA or CDC approval, demolition management, and fixed-price construction to handover. One builder, one contract, one new home.

Read our KDR Cost Guide 2026 or use the Renovation vs KDR Calculator to compare options.

  • New home in North Balgowlah from $450K
  • Northern Beaches Council DA and CDC approvals managed
  • Demolition and asbestos removal included
  • Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil — engineered slab design included
  • Typical blocks 500–800m² in North Balgowlah
  • Single and two-storey designs available
  • 6-year structural warranty
  • Free site assessment — near B-Line bus to CBD via Mosman station
New home on a demolished North Balgowlah lot, Northern Beaches, NSW
OA

Reviewed by Oliver Alameri

Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010

Why Knockdown Rebuild in North Balgowlah?

North Balgowlah is the established post-war suburb — 1950s–1980s brick on 500–800m² R2 blocks with sandstone topography. Hawkesbury Sandstone with rock excavation $40K–$100K typical. Quiet residential character with strong KDR and duplex market.

North Balgowlah's rural-residential character and 500–800m² blocks set it apart from standard suburban development. R2 Low / R3 Medium (Manly, Dee Why, Brookvale, Mona Vale, Avalon town centres) / RU2 Rural Landscape (Ingleside, Terrey Hills, Duffys Forest, Oxford Falls) / E3/E4 Environmental on bushland fringe zoning means different controls apply — larger setbacks, on-site services, and site-specific engineering. Transport access via B-Line bus to CBD via Mosman connects North Balgowlah to the wider Sydney network. 1950s–1980s + premium contemporary-era housing stock across North Balgowlah is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Ground conditions (Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts) across North Balgowlah are well understood by local builders — Buildana's engineering accounts for extremely reactive soil movement.

KDR in the Northern Beaches splits sharply by tier. The premium oceanfront and harbour-front tier — Manly, Freshwater, Curl Curl, Collaroy, Narrabeen, Mona Vale, Newport, Avalon Beach, Bilgola Beach, Whale Beach, Palm Beach (oceanfront); Clontarf, Seaforth, Balgowlah Heights, Fairlight (harbour-front); Bayview, Church Point, Clareville (Pittwater-front) — runs end values $4M–$15M+ on direct waterfront, $2.5M–$6M+ on premium suburban. Hawkesbury Sandstone soil predominant — deep rock excavation $40K–$200K+ is LGA-defining; the Northern Beaches has the most rock-excavation territory of any Sydney LGA on a per-build basis. Bushfire-prone overlays are LGA-defining — BAL-12.5 to BAL-FZ across virtually all bushland-fringe lots (Belrose, Davidson, Killarney Heights, Frenchs Forest, Forestville, Beacon Hill, Cromer, Allambie Heights, Bayview, Church Point, Avalon, Bilgola Plateau, Whale Beach, Palm Beach, Clareville). RFS Bushfire Protection Assessment routine — non-combustible cladding, ember-screened openings, sprinklered eaves on BAL-FZ adding $40K–$120K. Coastal Hazard zones drive coastal-engineering reports on Pittwater Road oceanfront properties at Collaroy, Narrabeen, Curl Curl, Dee Why, Mona Vale, Palm Beach (2016 storm event reset baselines on Collaroy/Narrabeen). Coastal salt-grade specs (marine-grade fixings, sealed envelope, copper/zinc flashings, treated-pine timber) standard on every coastal-facing build — add $20K–$60K material premium. Coastal acid sulphate soils (CASS) on lagoon margins (Narrabeen Lagoon, Curl Curl Lagoon, Dee Why Lagoon, Manly Lagoon, Mona Vale Lagoon) drive specialist dewatering and acid neutralisation protocols. Heritage Conservation Areas extensive across the older village cores. Tree Preservation Order LGA-wide and strict. Demolition $40K–$90K with asbestos universal pre-1990. RU2 acreage at Ingleside, Terrey Hills, Duffys Forest, Oxford Falls runs AWTS on-site sewer and Sydney Drinking Water Catchment overlay (parts) — premium acreage end values $3.5M–$8M+. Realistic premium turnkey $1.8M–$3.2M for 280–450m² inland mid-tier (Brookvale, Dee Why, Cromer, Narraweena, Beacon Hill, Allambie Heights, Wheeler Heights); $2.5M–$5M on premium suburban (Balgowlah, Fairlight, Manly Vale, Forestville, Frenchs Forest, Belrose, Davidson); $4M–$10M+ on oceanfront/harbour-front (Manly, Clontarf, Seaforth, Balgowlah Heights, Curl Curl, Freshwater, Collaroy, Mona Vale, Newport, Avalon); $6M–$20M+ on Palm Beach/Whale Beach/Bilgola Beach direct beachfront. Pre-construction 5–8 months suburban; 8–14 months on bushfire-prone, coastal hazard, RU2 acreage or heritage sites.

Planning Controls — Northern Beaches Council

Northern Beaches LEP 2022 (consolidating the legacy Manly, Warringah and Pittwater LEPs) & Northern Beaches DCP. Post-2016 amalgamation LGA spanning the entire ocean-and-harbour peninsula from North Head to Barrenjoey — 252 km² with 36+ residential suburbs, four lagoons, the Garigal and Ku-ring-gai Chase National Parks, and the Pittwater estuary. R2 Low Density covers most residential streets: FSR 0.5–0.55:1, building height 8.5–9m, front setback 6–7.5m, landscaped area 40–60%, deep soil 25–35%. R3 Medium Density along Pittwater Road and around station precincts (no rail — B-Line bus equivalents at Manly, Brookvale, Dee Why, Collaroy, Narrabeen, Mona Vale interchange/terminus) permits FSR up to 0.9:1. R4 High Density and B4 Mixed Use concentrated on Manly town centre + the Corso, Dee Why town centre, Brookvale, Mona Vale town centre, Avalon village core. Northern Beaches DCP duplex minimum lot varies by precinct — 600m² (legacy Manly + Pittwater R2) to 700m² (legacy Warringah R2). RU2 Rural Landscape covers the rural acreage belt — Ingleside, Terrey Hills, Duffys Forest, Oxford Falls, parts of Belrose — restricting subdivision to 2ha+ minimum. E3 Environmental Management and E4 Environmental Living overlays on bushland-fringe lots backing Garigal NP, Ku-ring-gai Chase NP, Manly Dam Reserve and Narrabeen Lagoon catchment further restrict siting. Heritage Conservation Areas extensive — Manly heritage core (the Corso, Eastern Hill, North Head precinct), Fairlight, Balgowlah, Balgowlah Heights, Clontarf, Seaforth, Avalon village, Newport village, Mona Vale, Bilgola Beach cove, Whale Beach, Palm Beach village, Freshwater village (Duke Kahanamoku surfing precinct), Curl Curl heritage streets, Collaroy village, Narrabeen heritage streets. Aboriginal cultural heritage protocols apply across most sandstone country (extensive rock-art sites, middens, engravings) — pre-DA Aboriginal Cultural Heritage Assessment routine on bushland-fringe and waterfront sites. Tree Preservation Order LGA-wide and strict — Northern Beaches retains the most extensive remnant bushland of any Sydney LGA. Hawkesbury Sandstone soil predominant — deep rock excavation $40K–$200K+ is LGA-defining (the most rock-excavation territory of any Sydney LGA on a per-build basis). Class P/E coastal alluvial on Narrabeen Lagoon, Curl Curl Lagoon, Dee Why Lagoon, Manly Lagoon and Mona Vale Lagoon corridors — suspended slab + Class P/E footing engineering and dewatering required. Coastal acid sulphate soils (CASS) on lagoon margins drive specialist dewatering and acid neutralisation protocols. Coastal Hazard zones are LGA-defining — coastal erosion line affects Pittwater Road oceanfront properties at Collaroy, Narrabeen, Curl Curl, Dee Why, Mona Vale, Palm Beach (2016 storm event reset baselines on Collaroy/Narrabeen specifically; multiple oceanfront properties since required Council coastal-hazard reports for any DA). Bushfire-prone land overlays are LGA-defining — BAL ratings BAL-12.5 to BAL-FZ across virtually all bushland-fringe lots (Belrose, Davidson, Killarney Heights, Frenchs Forest, Forestville, Beacon Hill, Cromer, Allambie Heights, Oxford Falls, Terrey Hills, Duffys Forest, Ingleside, Bayview, Church Point, Avalon, Bilgola Plateau, Whale Beach, Palm Beach, Clareville, Newport bushland-fringe). RFS Bushfire Protection Assessment routine — non-combustible cladding, ember-screened openings, sprinklered eaves on BAL-FZ, Asset Protection Zone (APZ) 10–40m+ on most acreage. AWTS on-site sewer mandatory on RU2 acreage belt (no reticulated sewer on Ingleside/Terrey Hills/Duffys Forest/Oxford Falls). Sydney Drinking Water Catchment overlay on parts of Ingleside, Terrey Hills, Duffys Forest western edges and Pittwater foreshore — restricts AWTS dispersal field siting and adds NSW Health/WaterNSW referral. Riparian setbacks 10–60m on Narrabeen Lagoon, Curl Curl Lagoon, Dee Why Lagoon, Manly Lagoon, Mona Vale Lagoon, Pittwater foreshore, Cowan Creek tributaries, Middle Harbour and North Harbour. Foreshore Building Line restrictions on direct waterfront across Pittwater (Bayview, Church Point, Clareville, Avalon, Newport), Middle Harbour (Clontarf, Seaforth, Balgowlah Heights), North Harbour (Fairlight, Balgowlah Heights) and ocean cliffs (Manly, Freshwater, Curl Curl, Narrabeen, Mona Vale, Newport, Bilgola, Avalon, Whale Beach, Palm Beach). The LGA has no rail — B-Line bus is the primary spine (Mona Vale terminus through Warringah Mall Brookvale interchange to CBD via Mosman). Beaches Link Tunnel (under construction, opening 2028) is the LGA-defining infrastructure event — twin tunnels under Middle Harbour connecting Cammeray to Balgowlah/Seaforth with portals reshaping traffic and property values across Balgowlah, Balgowlah Heights, Seaforth, Manly Vale and Manly. Northern Beaches Hospital (opened 2018, Frenchs Forest) anchors LGA medical employment and drives granny flat hospital-staff demand on Frenchs Forest, Davidson, Allambie Heights, Forestville, Belrose. Manly Hospital site redevelopment under master plan. Mona Vale Hospital site (Northern Beaches Hospital amalgamation legacy) under redevelopment. Warriewood Valley Release Area is the LGA's only active master-planned new-release on R3/R4 medium-density 300–600m² lots. Ingleside Precinct master-plan rezoning (originally proposed for ~3,400 dwellings) under review/paused. The Corso, Manly is the heritage retail spine. Avalon, Newport, Mona Vale, Collaroy, Dee Why, Brookvale and Manly are the primary commercial centres. Premium clifftop ocean-view properties at Manly, Freshwater, Curl Curl, Avalon, Bilgola, Whale Beach, Palm Beach are among Australia's most expensive residential markets ($8M–$30M+ on Palm Beach alone).

Knockdown-rebuild builder in North Balgowlah — key facts

Suburb
North Balgowlah, NSW 2093
Council / LGA
Northern Beaches Council (Northern Beaches)
Primary zoning
R2 Low / R3 Medium (Manly, Dee Why, Brookvale, Mona Vale, Avalon town centres) / RU2 Rural Landscape (Ingleside, Terrey Hills, Duffys Forest, Oxford Falls) / E3/E4 Environmental on bushland fringe
Typical lot size
500–800m²
Soil class
Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts
Median house price
$2.6M–$3.8M
Home era
1950s–1980s + premium contemporary
Typical price range
$450,000 – $1,200,000+
Typical timeline
14–22 months including demolition
Approval pathway
CDC where eligible or DA for complex sites

Building in North Balgowlah — Local Context

What North Balgowlah Soil Means for Your Rebuild

Most blocks across North Balgowlah (2093) classify as Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts — extremely reactive clay. Translation for a knockdown rebuild: foundation cost lands somewhere between $45,000–$80,000, depending on building footprint and how the engineer reads the borehole. Reactive soils move with seasonal moisture. A waffle pod alone won't cut it on a Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts site — you need stiffened edge beams, sometimes piered footings, and careful detailing around wet areas to stop differential movement showing up as cracking. Buildana includes the geotech report, structural engineering, and slab design in every quote. No site allowance, no provisional sum.

Planning Controls in North Balgowlah

North Balgowlah is zoned R2 Low / R3 Medium (Manly, Dee Why, Brookvale, Mona Vale, Avalon town centres) / RU2 Rural Landscape (Ingleside, Terrey Hills, Duffys Forest, Oxford Falls) / E3/E4 Environmental on bushland fringe with R3 Medium Density pockets. Northern Beaches Council controls FSR, height limits (typically 8.5–9m), site coverage, landscaped area minimums, and setbacks. For a rebuild, the binding constraints on most 500–800m² blocks here are: front setback (around 4.5–6m), side setbacks (1.0–1.5m articulated), rear (3–6m depending on lot depth), and landscaped area (usually 35–40%). Buildana's design team works to those numbers from the first sketch — no late re-design when council comes back with comments.

Cost vs Value in North Balgowlah

Median sale price in North Balgowlah is $2.6M–$3.8M. For a rebuild, the decision tree runs through three numbers: build cost, expected post-completion value, and how long you plan to hold. New custom homes in North Balgowlah re-set the property at the top of the local price band, with new-build premium of 10–20% over comparable established stock. We map this in feasibility before you commit.

Lifestyle Fit in North Balgowlah

North Balgowlah has a settled residential character. B-Line bus to CBD via Mosman station is the rail anchor for the suburb. Local landmark: North Balgowlah Public School + Stockland Balgowlah proximity. For families knocking down and rebuilding here, the design considerations that matter day-to-day: orientation for natural light (north-facing living wherever the lot allows), separation between adult and kids' zones, a kitchen that opens to outdoor entertaining, garage size that fits a real family vehicle plus storage, and a layout that doesn't require renovating again in 10 years as the kids grow. Buildana designs for the long arc of how families actually use a home, not just the showroom photo.

Northern Beaches Council Processing & North Balgowlah Activity

Northern Beaches Council processes thousands of residential applications a year across the Northern Beaches LGA, and North Balgowlah (2093) sits in the active end of that workload. For a knockdown rebuild, the realistic clock from lodgement to DA determination is 8-14 weeks. The applications that move to the front of the queue are the ones where every required document is correctly named, drawn to scale, and matched against the SEPP or LEP clause it's claiming compliance with. Buildana lodges every project at that standard — not because it's required, but because it's how you avoid sitting in the RFI loop for an extra month.

Builder's Take on North Balgowlah

The biggest surprise on KDR for clients is how much the new house improves the suburb feel. Same street, same neighbours, same kids' schools — but the house finally fits. North Balgowlah residents who KDR rarely regret it; the ones who renovate instead often tell me they wish they'd gone the rebuild path.

Clients often ask whether to keep the existing slab. Almost always no. 1950s–1980s + premium contemporary-era slabs in North Balgowlah weren't engineered for Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil to today's standards. Trying to match new construction to old footings creates structural liability. Full slab replacement is cleaner and cheaper in the long run.

North Balgowlah vs Nearby Suburbs

North Balgowlah vs nearby suburbs — key metrics for knocking down and rebuilding.

SuburbMedian PriceTypical LotSoil ClassEraStation
North Balgowlah2093this suburb$2.6M–$3.8M500–800m²Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts1950s–1980s + premium contemporaryB-Line bus to CBD via Mosman
Balgowlah2093$3.0M–$5M+450–800m²Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts1900s–1940s + post-war + premium replacementsB-Line bus to CBD via Mosman
Manly Vale2093$2.4M–$3.6M450–700m²Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts1900s–1940s + post-war + premium replacementsB-Line bus to CBD (Manly interchange)
Seaforth2092$3.5M–$10M+ (harbour-front)600–1,500m²Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts1900s–1940s heritage + premium contemporaryB-Line bus to CBD via Mosman + Beaches Link Tunnel (opening 2028)

Median price, soil class, and lot size shape build feasibility and final cost. Buildana assesses every site against these and other constraints during the free feasibility stage.

Have a question about your project?

Talk to our team — free site assessment and fixed-price quote.

Cost Guide

ItemEstimated Range
Single storey rebuild (150–200m²)$550,000 – $780,000
Double storey rebuild (200–300m²)$780,000 – $1,210,000
Premium rebuild (300m²+)$1,210,000+
Demolition (1950s–1980s + premium contemporary North Balgowlah home)$21,000 – $46,000
Asbestos removal (if present)$9,000 – $29,000
Service disconnections & reinstatement$3,000 – $9,000

Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.

How It Works

From First Call to Final Key

Everything that has to be right before we touch the ground. Site visit covers everything that affects the build cost: vehicle access for trucks and crane, services (sewer depth, water connection, electrical service rating), soil exposure for borehole, neighbouring construction, and any obvious heritage or tree constraints. Real numbers, not estimates. Architectural design for your replacement home, structural engineering for Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil, BASIX certification, and all approval documentation. Lodged as CDC (10–15 days) or DA (40–90 days) depending on design.

The North Balgowlah construction phase. Fixed price, programmed, supervised. Demolition runs 5–10 working days for a standard North Balgowlah cottage — longer if asbestos volume is significant or the structure includes a brick chimney or solid-block walls. Asbestos work happens first under a controlled removal program before mechanical demo starts. New home built from engineered slab (Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil) to keys — fixed-price, milestone-based progress payments. Your project manager provides weekly updates.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Walk through your finished home on your original North Balgowlah block. OC issued, all services live, 6-year structural warranty, appliance manuals, and maintenance schedule. Move in.

Licensed Class 1 demolisher with SafeWork NSW notification
Asbestos register compiled; removal by AL/A-class licensed contractor
Sydney Water service abolishment and reinstatement per standards
Endeavour Energy disconnection and new dedicated supply to switchboard
Geotechnical reassessment after demolition — Class Hawkesbury Sandstone predominant (deep rock excavation $40K–$150K+ on most lots) / Class P/E coastal alluvial on Narrabeen/Curl Curl/Dee Why/Manly/Mona Vale lagoon corridors / coastal acid sulphate soils (CASS) on lagoon margins / coastal hazard zones on Collaroy–Narrabeen, Curl Curl, Dee Why, Manly, Mona Vale, Palm Beach beachfronts soil verified
Hold-point inspection after demolition before any footings poured
Contamination protocol if legacy fuel tanks, asbestos piping, or lead paint found
Northern Beaches Council R2 Low / R3 Medium (Manly, Dee Why, Brookvale, Mona Vale, Avalon town centres) / RU2 Rural Landscape (Ingleside, Terrey Hills, Duffys Forest, Oxford Falls) / E3/E4 Environmental on bushland fringe compliance applied to new envelope, not old
Tree protection zones and neighbour impact assessed per DCP

Our Team

OA

Oliver Alameri

Founder / Director / Builder · MPropDev · PhD Student

AA

Ahmad Alameri

Accounts Manager

CW

Claire Wendell

Project Manager

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