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Hurstville Granny Flat Builder — Local, Fixed-Price

Buildana builds granny flats across Hurstville 2220 from our Fairfield office. Typical Hurstville rental yield: $500–$720/week (St George Hospital + Kogarah medical precinct staff demand). Free site assessment.

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 granny flat in Hurstville costs $150,000–$300,000+ depending on size and finishes. 1-bed from $150K, 2-bed from $200K. CDC fast-track approval in 10–15 business days. Buildana manages design, Georges River Council approval and fixed-price construction.

Granny Flat Builder in Hurstville

Hurstville in Georges River Council has excellent granny flat potential with typical lots of 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) — most qualifying under NSW Housing SEPP for fast-tracked CDC approval. 1920s–1960s heritage Federation/Californian Bungalow + 1960s–1990s brick veneer + 2010s+ R3/R4 redevelopment around Hurstville/Kogarah/Beverly Hills CBDs-era homes on established blocks make ideal candidates for a granny flat addition, with rental returns in Hurstville reaching $500–$720/week (St George Hospital + Kogarah medical precinct staff demand). Georges River Council manages development in the area, and Buildana has deep experience with granny flat builds across Georges River Council.

On the ground in Hurstville (2220), the practical numbers shape every granny flat. Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works soil — extremely reactive clay — pushes engineered foundation work into the $45,000–$80,000 bracket on most 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) blocks. R2 / R3 / R4 mixed (Hurstville CBD) zoning under Georges River Council sets the building envelope, with R3 Medium Density pockets that open up dual occupancy options on qualifying lots. Median sale price across Hurstville sits at $1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront, which frames the build-versus-buy decision from the start. Local services anchor around Westfield Hurstville + Forest Road + Hurstville Library, and that proximity affects everything from rental demand to construction site access.

Buildana manages the full granny flat process in Hurstville — from site assessment and CDC fast-track approval through to fixed-price construction and handover. We build studio, 1-bedroom, and 2-bedroom designs up to the NSW maximum of 60m².

Read our Complete Granny Flat Guide or explore granny flat builds across Sydney.

  • Granny flats in Hurstville from $150K
  • CDC fast-track approval (10–15 business days)
  • 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) blocks — most qualify for 60m² granny flat
  • Hurstville zoned R2 / R3 / R4 mixed (Hurstville CBD)
  • Fixed-price contract — design to handover
  • Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works soil — engineered slab included
  • Rental yield $500–$720/week (St George Hospital + Kogarah medical precinct staff demand) in Hurstville
  • Free site assessment — near Hurstville station
New secondary dwelling in Hurstville, Georges River Council, NSW
OA

Reviewed by Oliver Alameri

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

Why Build a Granny Flat in Hurstville?

Hurstville is the LGA's CBD and rail interchange — Westfield Hurstville, Forest Road shopping strip and the Hurstville CBD high-rise zone front the station. Federation/inter-war character on side streets, R3/R4 redevelopment around the CBD. Class M Wianamatta Shale predominant.

Hurstville sits in the Georges River Council local government area with 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) residential blocks and R2 / R3 / R4 mixed (Hurstville CBD) zoning. Building costs are around the Sydney metro average, balancing construction value with lifestyle and growth. Hurstville station gives Hurstville direct rail access — a strong draw for residents and tenants. Secondary dwellings on 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) blocks deliver rental returns of $500–$720/week (St George Hospital + Kogarah medical precinct staff demand) per week. CDC approval through a private certifier typically takes 10–15 business days. Ground conditions (Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works) across Hurstville are well understood by local builders — Buildana's engineering accounts for extremely reactive soil movement.

Granny flat builder in Hurstville — key facts

Suburb
Hurstville, NSW 2220
Council / LGA
Georges River Council (Georges River Council)
Primary zoning
R2 / R3 / R4 mixed (Hurstville CBD)
Typical lot size
400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)
Soil class
Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works
Median house price
$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront
Home era
1920s–1960s heritage Federation/Californian Bungalow + 1960s–1990s brick veneer + 2010s+ R3/R4 redevelopment around Hurstville/Kogarah/Beverly Hills CBDs
Typical price range
$150,000 – $300,000+
Typical timeline
4–6 months design to handover
Approval pathway
CDC via NSW Affordable Rental Housing SEPP (10–15 days)

Building in Hurstville — Local Context

Ground Conditions That Affect Your Build

Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works is the rule across Hurstville — extremely reactive clay. For your granny flat, 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. site access on tighter blocks adds a logistics premium, which is why we cost cranage and material delivery before signing, not after.

What Georges River Council Wants to See

Approval in Hurstville comes down to documentation quality. Georges River 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 M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works ground. For CDC, you also need to demonstrate compliance with every clause of the State Environmental Planning Policy (Exempt and Complying Development Codes) 2008. We prepare every document at full lodgement standard the first time.

What a Secondary dwelling Costs in Hurstville

Hurstville's median house price sits at $1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront. That's the number that decides whether a granny flat stacks up financially. Build cost $150K–$260K against $500–$720/week (St George Hospital + Kogarah medical precinct staff demand) in rental — payback period typically 7–11 years, plus capital uplift on the parent lot. Buildana provides itemised quotes — no provisional sums, no allowances, no "as per engineering" line items.

Lifestyle Fit in Hurstville

Hurstville has a settled residential character.. Local landmark: Westfield Hurstville + Forest Road + Hurstville Library. For families building a granny flat 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.

Building Activity in Hurstville Right Now

Hurstville is seeing steady residential activity — secondary dwelling CDCs are being lodged at record rates as homeowners pursue rental income against rising mortgage costs. Buildana sits inside that pipeline — we know what's getting approved, what's stalling, and why.

Builder's Take on Hurstville

Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works soil affects granny flat slab costs same as a main dwelling — roughly $3K–$10K uplift over standard. Not a dealbreaker but worth including in the quote. Cheapest granny flat quotes in the market usually exclude this and add it at variation.

The single most important design decision on a granny flat is natural light. 60m² feels tiny when it's dark. Good north-facing window placement, a skylight in the bathroom, and a glazed laundry door — these turn a 55m² build into something that feels 20% larger.

Hurstville vs Nearby Suburbs

Hurstville vs nearby suburbs — key metrics for building a granny flat.

SuburbMedian PriceTypical LotSoil ClassGF RentalStation
Hurstville2220this suburb$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works$500–$720/week (St George Hospital + Kogarah medical precinct staff demand)Hurstville
Kogarah2217$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works$540–$760/week (St George Hospital + medical precinct premium)Kogarah
Penshurst2222$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works$500–$720/week (St George Hospital + Kogarah medical precinct staff demand)Penshurst
Beverly Hills2209$1.5M–$2.4M typical; $2.0M–$3.5M Oatley/Lugarno/Peakhurst Heights premium foreshore; $3.0M–$8.0M+ direct waterfront400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point)Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works$500–$720/week (St George Hospital + Kogarah medical precinct staff demand)Beverly Hills

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
Studio (35m²)$140,000 – $180,000
1-bedroom (40–45m²)$170,000 – $210,000
2-bedroom (55m²)$200,000 – $245,000
Full 60m² maximum$210,000 – $260,000
Separate meter install$2,500 – $6,500
Landscaping and path tie-in$3,000 – $12,000

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

CDC lodgement in 10–15 business days — fastest approval path available
Standard 60m² layout — design phase as short as 2–3 weeks
Slab to lock-up in 6–8 weeks with trade crew mobilised
Full build 12–16 weeks from approval to handover
Parallel services — electrical, plumbing, meter install run concurrently
Rental-ready handover — property manager can lease from day one

How It Works

From First Call to Final Key

Everything that has to be right before we touch the ground. Free on-site assessment of your Hurstville property. We measure setbacks, check existing services, assess access, and confirm your 400–700m² typical (Hurstville/Kogarah/Beverly Hills/Penshurst/Mortdale/Carlton/Kingsgrove/Allawah); 600–1,200m² premium foreshore (Oatley/Lugarno/Peakhurst Heights/Connells Point) block meets Georges River Council's requirements for a secondary dwelling. 60m² sounds tight on paper but designs well — high ceilings, good cross-ventilation, smart storage, and proper bedroom proportions make a 2-bed feel generous. We design for daily liveability, not just floor plan compliance.

The Hurstville construction phase. Fixed price, programmed, supervised. CDC fast-track through a private certifier — typically approved in 10–15 business days. Hurstville is zoned R2 / R3 / R4 mixed (Hurstville CBD). Construction Certificate issued before works start. Your granny flat is built from slab to keys in a single programme. Engineered slab for Class M (Wianamatta Shale + Hawkesbury Sandstone interface) / Class H reactive clay pockets / Class P/E alluvial on Georges River foreshore (Oatley/Peakhurst/Lugarno/Como) / Foreshore Building Line + Crown Lands referral on river-frontage works soil, frame, lock-up, fit-out, painting, flooring, and external works. Quality inspections at every stage.

The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. Defect-free inspection means we don't hand over a list to chase — every snag is fixed before keys move. Final clean, electrical and plumbing tested, smoke alarms certified, BASIX commissioning verified. The unit is rental-ready, not project-paperwork-ready.

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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Buildana built our granny flat in just 12 weeks. Fast approvals, great communication, and a beautiful final product. Highly recommend.

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Liverpool, NSW

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Areas We Serve

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Headquartered in Western Sydney's Fairfield. Active across all 28 metropolitan Sydney LGAs — from Penrith to the Eastern Suburbs, the Hills to the Sutherland Shire.

Granny Flat on Your Hurstville Block

Free site assessment for Hurstville 2220. We'll check your block, recommend the best design, and provide a fixed-price quote.

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