Licensed Home Renovation Builder Double Bay
NSW licensed renovator. Double Bay 2028 1900s–1940s + apartments-era homes — asbestos assessment, AS 3740 wet-area waterproofing, structural sign-off where required. Code-compliant, certificate-backed.
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A home renovation in Double Bay costs $100,000–$500,000+. Kitchen from $30K, bathroom from $20K, full renovation from $150K. Buildana manages design, Woollahra Municipal Council approvals (where required), and construction under one fixed-price contract.
Home Renovation Builder in Double Bay
Renovation in Double Bay splits between heritage-grade restoration on Federation mansions and apartment renovations along New South Head Road. Original detail expected retained on protected streets. Asbestos universal pre-1990. Realistic budget $400K–$1.2M full refresh; $1.2M–$2.8M heritage-grade harbourside restoration; $250K–$700K apartment-scale.
On the ground in Double Bay (2028), the practical numbers shape every renovation. Class M (sandstone ridges) / H–E (harbour fall) soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 250–1,000m² blocks. R2 Low / R3 Medium / R4 / B2/B4 mixed zoning under Woollahra Municipal Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Double Bay sits at $4.5M–$15M, which frames the build-versus-buy decision from the start. Nearest rail is Edgecliff (1 km, ferry to Circular Quay), and that proximity affects everything from rental demand to construction site access.
Buildana manages the complete home renovation process in Double Bay — from initial consultation and design through to approvals (where required) and fixed-price construction to handover. Your home, modernised.
Not sure whether to renovate or rebuild? Use our Renovation vs KDR Calculator or read the renovation vs knockdown rebuild comparison.
- Home renovations in Double Bay from $100K
- Woollahra Municipal Council approvals managed (where required)
- Kitchen, bathroom, and full-home renovations
- 1900s–1940s + apartments-era homes — renovation specialists
- Asbestos assessment and removal included
- Staged renovation plans to minimise disruption
- 6-year structural warranty on structural work
- Free consultation — near Edgecliff (1 km, ferry to Circular Quay) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Why Renovate in Double Bay?
Double Bay is harbourside premium — New South Head Road shops, Bay Street village, harbour beach. Federation mansions, inter-war flats and harbourside apartments on 250–1,000m² blocks with substantial fall to the harbour. Heritage Conservation Areas cover most streets. Sandstone-dominant soil. Premium for harbour outlook and shopping.
Double Bay's established streetscape and median house prices of $4.5M–$15M reflect a premium location within Woollahra. Building costs sit above the metro average, offset by stronger capital growth and rental returns. Transport access via Edgecliff (1 km, ferry to Circular Quay) connects Double Bay to the wider Sydney network. Renovating 1900s–1940s + apartments-era homes in Double Bay is a smart play when the structure is sound. Kitchen and bathroom upgrades typically return 60–80% of investment in added property value. Soil conditions in Double Bay (Class M (sandstone ridges) / H–E (harbour fall), extremely reactive) are factored into every Buildana foundation design.
Renovation in Woollahra is heritage-grade restoration territory — Victorian terraces in Paddington and Woollahra (cast-iron lacework, sandstone walling, original timber, slate roofing all expected meticulously retained), Federation and inter-war mansions in Bellevue Hill, Vaucluse, Centennial Park (stained glass, ornate plasterwork, marble fireplaces). Asbestos universal in pre-1990 stock. Apartment renovations along Edgecliff, Double Bay and Bondi Junction fringe the other major category — restricted by strata bylaws, common-property approval and common-wall structural restrictions. Realistic budget $400K–$1.2M for full terrace refresh; $1.2M–$3.5M+ for heritage-grade mansion restoration on Bellevue Hill, Vaucluse, Point Piper; $250K–$700K apartment-scale.
Planning Controls — Woollahra Municipal Council
Woollahra LEP 2014 & Woollahra DCP 2015. R2 Low Density covers most residential streets: FSR 0.5–0.6:1, building height 8.5–9.5m, front setback 4–6m varying by streetscape, landscaped area 35–45%. R3 Medium Density along New South Head Road, Edgecliff Road and Bondi Junction fringe permits FSR up to 0.95:1. R4 High Density and B4 Mixed Use centred on Edgecliff and Double Bay village. Heritage Conservation Areas are amongst Sydney's heaviest — Paddington terraces (virtually entire suburb), Woollahra village (virtually entire suburb), Queens Park, Centennial Park and Centennial Parklands frontage, Bellevue Hill mansions, Darling Point peninsula, Point Piper peninsula, Vaucluse harbourside, Rose Bay, Watsons Bay village, parts of Double Bay. Tree Preservation Order applies LGA-wide and is enforced strictly. Substantial harbour-fall sites are the LGA's signature engineering challenge: Darling Point, Point Piper, Vaucluse, Rose Bay, Bellevue Hill north-facing slopes — suspended slabs, structural underpinning, sandstone rock excavation $25K–$80K standard, rock anchoring routine. Foreshore Building Line restricts harbourside building envelopes on most premium lots. Sydney Harbour National Park frontage at South Head (Watsons Bay) adds further heritage and ecological controls.
Home renovation builder in Double Bay — key facts
- Suburb
- Double Bay, NSW 2028
- Council / LGA
- Woollahra Municipal Council (Woollahra)
- Primary zoning
- R2 Low / R3 Medium / R4 / B2/B4 mixed
- Typical lot size
- 250–1,000m²
- Soil class
- Class M (sandstone ridges) / H–E (harbour fall)
- Median house price
- $4.5M–$15M
- Home era
- 1900s–1940s + apartments
- Typical price range
- $30,000 – $500,000+
- Typical timeline
- 3–8 months depending on scope
- Approval pathway
- Exempt development for cosmetic, CDC/DA for structural
Building in Double Bay — Local Context
Foundations & Slab Design for Double Bay
Double Bay's ground is extremely reactive clay (Class M (sandstone ridges) / H–E (harbour fall)). On a 250–1,000m² block, that translates to engineered slab work in the $45,000–$80,000 bracket for a renovation. Double-check any quote that doesn't itemise the slab — 'slab as per engineering' usually means the builder will hit you with a variation once the soil report comes back. We commission the geotech upfront, before pricing, so the cost in your contract reflects what your block actually needs. If your neighbour's home shows movement cracks above architraves or below window sills, that's a signal worth knowing before you finalise design — Buildana's site assessment looks at adjacent stock too.
Approval Timeline for Double Bay
Realistic timeline for a renovation in Double Bay: 8–14 weeks for DA through Woollahra Municipal Council. Add 2–4 weeks before lodgement for documentation, BASIX certificate, geotech report, and survey if you don't already have one. Construction Certificate is issued separately before works commence.
What a Renovation Costs in Double Bay
Double Bay's median house price sits at $4.5M–$15M. That's the number that decides whether a renovation stacks up financially. If you're spending more than 50% of $4.5M–$15M on a renovation, the economics tilt toward extension instead. Worth running the numbers properly before locking in scope. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.
Lifestyle Fit in Double Bay
Double Bay has a settled residential character. Edgecliff (1 km, ferry to Circular Quay) from the nearest station. Local landmark: Double Bay Wharf & Bay Street. For families renovating 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.
Why Some Double Bay Builds Stall
Builds in Double Bay stall for predictable reasons. Lodgement defects (missing BASIX, wrong drawing scale, undeclared overlays). Soil surprises on Class M (sandstone ridges) / H–E (harbour fall) ground when the builder didn't commission a borehole upfront. Variation creep when the contract was light on inclusions. Trade scheduling gaps when the builder is over-committed across too many sites. Woollahra Municipal Council delays when neighbour objection triggers committee review. Buildana protects against each of these at contract stage — fully documented lodgement pack, geotech in the price, itemised inclusions instead of allowances, and a tight project-manager-to-job ratio that keeps trades moving.
Builder's Take on Double Bay
Double Bay median ($4.5M–$15M) supports renovation spend up to about 20% of property value before you're over-capitalising. That's a rough ceiling — $160K–$250K on a $1M home, $200K–$350K on a $1.5M home. Above that, a KDR often makes more sense than doubling down on renovation.
Wall removal for open-plan living in Double Bay: if the wall is load-bearing, you need a structural engineer and a steel beam. Rough costs $8K–$25K depending on span. Cheap renovators sometimes remove load-bearing walls without proper engineering — that's a structural defect waiting to fail under floor load.
Double Bay vs Nearby Suburbs
Double Bay vs nearby suburbs — key metrics for renovating.
| Suburb | Median Price | Typical Lot | Soil Class | Era | Station |
|---|---|---|---|---|---|
| Double Bay2028this suburb | $4.5M–$15M | 250–1,000m² | Class M (sandstone ridges) / H–E (harbour fall) | 1900s–1940s + apartments | Edgecliff (1 km, ferry to Circular Quay) |
| Bellevue Hill2023 | $6M–$25M+ | 500–2,000m² | Class M (sandstone ridges) / H–E (harbour fall) | 1900s–1940s heritage mansions | Edgecliff (3 km) |
| Edgecliff2027 | $2.5M–$5M | 200–500m² | Class M (sandstone ridges) / H–E (harbour fall) | 1880s–1960s + apartments | Edgecliff (in suburb) |
| Point Piper2027 | $15M–$100M+ | 600–2,500m² | Class M (sandstone ridges) / H–E (harbour fall) | 1880s–1940s heritage mansions | Edgecliff (2 km, ferry from Double Bay) |
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.
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Cost Guide
| Item | Estimated Range |
|---|---|
| Cosmetic only (paint, floors, fittings) | $21,000 – $70,000 |
| Wet area renovation (kitchens, bathrooms) | $70,000 – $250,000 |
| Wet area + structural (wall removal) | $250,000 – $530,000 |
| Full renovation + electrical/plumbing upgrade | $530,000 – $840,000 |
| Heritage-sensitive full renovation | $630,000 – $1,120,000 |
Prices are indicative for Western Sydney (2025). Actual costs depend on site, specifications, and approvals.
How It Works
From First Call to Final Key
A Double Bay renovation starts with what's worth keeping. Character floorboards, structural brickwork, original joinery — if it earns its place, it stays. Everything else gets a hard look.
⏱Design is pragmatic. Removing the right wall to open a kitchen, upgrading the bathroom to function properly, fixing the laundry that was an afterthought in 1975. Structural engineer signs off before anything load-bearing moves.
⏱Construction runs in stages so you can live in the house for parts of it. Wet areas and kitchens get a clear programme — three weeks without a kitchen is normal; three months is someone else's job.
⏱Handover is clean. New work tied into old work with matched finishes, defects fixed before you move back into the finished zones, warranty on all new work.
⏱Our Team
Oliver Alameri
Founder / Director / Builder · MPropDev · PhD Student
Ahmad Alameri
Accounts Manager
Claire Wendell
Project Manager
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Liverpool, NSW
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Last updated: 1 April 2026
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