Dee Why Knockdown Rebuild — Stay on Your Street
Buildana handles KDR across Dee Why 2099. 1950s–1980s + 2010s+ apartment towers homes on 400–700m² + R4 apartment-led precinct blocks — we know the soil, the Northern Beaches Council rules, and the neighbours' expectations.
HIA Member
MBA NSW0476 300 300Quick Answer
A knockdown rebuild in Dee Why 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.
Dee Why KDR — Single Contract, New Home
KDR in Dee Why is split — R2 detached on 400–700m² inland lots dominate, R4 town-centre apartment-led, Coastal Hazard on direct beachfront, CASS on Dee Why Lagoon margin. End values $1.9M–$3.5M (inland), $4M+ on oceanfront. Pre-construction 5–9 months.
Most Dee Why blocks run 400–700m² + R4 apartment-led precinct on 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 ground. Knockdown rebuild on 1950s–1980s + 2010s+ apartment towers stock here usually pencils out better than deep renovation once you tally up structural, electrical, plumbing, insulation, and waterproofing upgrades against full replacement value. Median price band: $1.9M–$3.5M (apartments $700K–$2M; oceanfront $4M+). B-Line bus to CBD (Dee Why interchange) station services the suburb.
Buildana manages the complete knockdown rebuild process in Dee Why — 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 Dee Why 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 400–700m² + R4 apartment-led precinct in Dee Why
- Single and two-storey designs available
- 6-year structural warranty
- Free site assessment — near B-Line bus to CBD (Dee Why interchange) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Knockdown Rebuild in Dee Why?
Dee Why is the urban beach hub — R3/R4 high-rise apartment towers around the town centre and Pittwater Road, with R2 detached on 400–700m² blocks on the residential perimeter. Coastal Hazard zone on direct beachfront. Dee Why Lagoon CASS on lagoon-edge lots. Hawkesbury Sandstone with rock excavation. B-Line corridor + town-centre redevelopment.
Dee Why's rural-residential character and 400–700m² + R4 apartment-led precinct 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 (Dee Why interchange) connects Dee Why to the wider Sydney network. 1950s–1980s + 2010s+ apartment towers-era housing stock across Dee Why is prime for knockdown rebuild — replacing dated layouts and materials with modern, NCC-compliant homes that maximise block potential. Soil conditions in Dee Why (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) are factored into every Buildana foundation design.
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 Dee Why — key facts
- Suburb
- Dee Why, NSW 2099
- 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
- 400–700m² + R4 apartment-led precinct
- 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
- $1.9M–$3.5M (apartments $700K–$2M; oceanfront $4M+)
- Home era
- 1950s–1980s + 2010s+ apartment towers
- 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 Dee Why — Local Context
Ground Conditions That Affect Your Build
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 is the rule across Dee Why — extremely reactive clay. For your knockdown rebuild, expect engineered footings in the $45,000–$80,000 range. The variables that shift you up or down inside that band: building footprint, number of storeys, point loads (heavy stone benchtops, masonry feature walls), and whether the adjacent stormwater system needs upgrading. Dee Why is close to B-Line bus to CBD (Dee Why interchange) station — site access on tighter blocks adds a logistics premium, which is why we cost cranage and material delivery before signing, not after.
What Northern Beaches Council Wants to See
Approval in Dee Why comes down to documentation quality. Northern Beaches Council processes a high volume of residential applications, and the ones that get approved fast share three traits: clean drawings that show every required setback dimension on plan; a BASIX certificate that matches the actual specification (not a stand-in); and an engineering package sized correctly for the 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 ground. We prepare every document at full lodgement standard the first time.
Where the Money Goes on a Dee Why Rebuild
Cost breakdown for a typical rebuild in Dee Why: structure and frame around 30%, slab and foundations 8–14% (driven by 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), roofing and external 10–12%, services (plumbing, electrical, HVAC) 12–18%, fit-out (kitchen, bathrooms, joinery) 18–25%, and finishes (paint, tiles, flooring) 8–12%. The remaining 4–6% covers approvals, certifications, and site establishment. Buildana itemises every line so you see what you're paying for — no lump sums hiding margin.
What Makes a Rebuild Work in Dee Why
Dee Why (2099) is part of Northern Beaches. B-Line bus to CBD (Dee Why interchange) station is the rail anchor for the suburb. Building well here means understanding what the suburb actually rewards — and what it punishes. Reward: thoughtful orientation, family-scale outdoor entertaining, durable materials that look right against the 1950s–1980s + 2010s+ apartment towers streetscape, and floor plans that handle multi-generational living without feeling cramped. Punish: over-glazing on west elevations (summer heat is brutal), thin slab specs on 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 ground, generic project-home elevations that ignore the street rhythm. Buildana has built across Northern Beaches long enough to know where the line sits.
Realistic Dee Why Timeline
End-to-end timeline for a knockdown rebuild in Dee Why, lodgement-realistic: 8-14 weeks for DA, depending on neighbour notification and any RFI rounds. Add 2-3 weeks for documentation pack assembly before lodgement (BASIX, geotech 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, contour survey, hydraulic). Add 1 week for Construction Certificate post-approval. Construction itself runs 8-14 months once you're on the ground. Buildana provides a dated programme in every contract, not a vague "12-18 months" range.
Builder's Take on Dee Why
1950s–1980s + 2010s+ apartment towers Dee Why homes are often asbestos-affected — not always, but often enough that the demolition quote should include contingency. AL/A-class licensed removal runs $8K–$25K on top of standard demolition. Any builder who doesn't flag this is either inexperienced or setting up a variation.
Service abolishment and reinstatement in Dee Why typically costs $3K–$8K. Sydney Water cap-off, Endeavour Energy disconnection, gas cap. Cheap KDR quotes often bundle this into "demolition" as a line item worth $1K — which is wrong and gets billed later.
Dee Why vs Nearby Suburbs
Dee Why vs nearby suburbs — key metrics for knocking down and rebuilding.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Dee Why2099this suburb | $1.9M–$3.5M (apartments $700K–$2M; oceanfront $4M+) | 400–700m² + R4 apartment-led precinct | 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 | 1950s–1980s + 2010s+ apartment towers | B-Line bus to CBD (Dee Why interchange) |
| Cromer2099 | $2.0M–$2.8M | 550–800m² | 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 | 1960s–1980s | B-Line bus to CBD (Brookvale interchange) |
| Curl Curl2096 | $3.0M–$6M+ (oceanfront) | 450–800m² | 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 | 1920s–1960s heritage + premium contemporary | B-Line bus to CBD (Brookvale interchange) |
| Brookvale2100 | $1.8M–$2.6M | 450–700m² | 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 | 1950s–1980s + R3/R4 town-centre apartments | B-Line Brookvale interchange to CBD |
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.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. KDR feasibility is two questions: what can the block legally support, and is it cheaper to build new than fix old. We answer both in writing within a week, with cost ranges grounded in current Dee Why market data — not generic Sydney averages. New home designed for your Dee Why block — maximising FSR, orientation, and streetscape. Working drawings, engineering, and BASIX prepared. CDC or DA lodged with Northern Beaches Council.
⏱The Dee Why construction phase. Fixed price, programmed, supervised. Full demolition management: asbestos survey report, licensed removal where required, structural demolition, site clearing, temporary fencing, and dust/noise management. Northern Beaches Council demolition permit obtained beforehand. Build sequence: site prep, slab pour, frame stand, roof, brickwork, lock-up, plumbing and electrical rough-in, plaster, internal fit-out, kitchen install, tiling, flooring, painting, external works, final clean. Each stage signed off before payment release.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Defect-free handover inspection, OC issued, keys in hand. Permanent services reconnected, landscaping complete, 6-year structural warranty, and full maintenance guide provided.
⏱Quality Promise
Dee Why knockdown rebuild done cleanly: licensed demolition, compliant slab, new home built to NCC 2025. Fixed-price contract.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey rebuild (150–200m²) | $530,000 – $750,000 |
| Double storey rebuild (200–300m²) | $750,000 – $1,160,000 |
| Premium rebuild (300m²+) | $1,160,000+ |
| Demolition (1950s–1980s + 2010s+ apartment towers Dee Why home) | $20,000 – $44,000 |
| Asbestos removal (if present) | $9,000 – $28,000 |
| Service disconnections & reinstatement | $3,000 – $9,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
Estimate Your Build Cost
Use our free calculator to get an instant cost estimate for your project
Ready to take the next step?
Free consultation — no obligation, no pressure.
Frequently Asked Questions
“Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.”
Fatima Al-Rashid
Liverpool, NSW
We Build Across Sydney
Buildana builds across greater Sydney — with deep roots in Western Sydney's Fairfield, Liverpool, Cumberland, Canterbury-Bankstown, and Blacktown LGAs.
Last updated: 1 April 2026
Explore Related Topics
Dee Why KDR — Start Here
Free KDR site assessment for Dee Why 2099. We'll assess your block, estimate cost, and provide a fixed-price budget.
Start Your Project