Licensed Custom Home Builder Mona Vale — Design & Construct
NSW licensed builder (Oliver Alameri) delivering fixed-price custom homes across Mona Vale 2103. Engineered slab for Class Hawkesbury Sandstone soil, BASIX 2025, 6-year structural warranty.
HIA Member
MBA NSW0476 300 300Quick Answer
A custom home in Mona Vale costs $450,000–$1,200,000+ depending on size and specification. Single storey from $450K, double storey from $650K. Buildana manages design, Northern Beaches Council approvals and fixed-price construction.
Mona Vale Home Builds — Made to Your Brief
A custom home in Mona Vale is a build shaped by the coast, heritage and, near the centre, zoning. This Northern Beaches commercial and B-Line hub runs Federation beach houses, inter-war heritage, post-war brick and contemporary on 450 to 800m2 blocks, and at a $2.6M to $5M-plus oceanfront market a designed home is a strong play. What fits depends on where the lot sits.
On direct beachfront a Coastal Hazard zone governs the envelope, and Heritage Conservation Areas cover the older streets, so those checks come first. This is Hawkesbury Sandstone with rock excavation running $40K to $120K, priced honestly. R3 and R4 around the town centre and the B-Line interchange mean a well-placed lot may carry more than a single home. Salt exposure drives salt-grade detailing near the front.
What I would check first on your Mona Vale block: the heritage status and any coastal hazard, the rock, and any R3 or R4 potential near the centre. Those set the direction.
We build these fixed-price, licence HBL 487805C. Send me the address and I will tell you the best use of the block.
Buildana's design-and-construct service covers everything — from initial design brief and land assessment through to council approval and fixed-price construction. One builder, one contract, one point of contact.
Read our Complete Custom Home Guide or explore custom home builds across Sydney.
- Custom homes in Mona Vale from $450K
- Designed for your 450–800m² block
- Northern Beaches Council DA and CDC approvals managed
- Mona Vale 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
- Single and double storey designs
- Hawkesbury Sandstone — engineered slab included
- 6-year structural warranty
- Free consultation — near B-Line bus to CBD (Mona Vale interchange + terminus) station
Reviewed by Oliver Alameri
Licensed Builder (NSW 487805C) · Master of Property Development · PhD Student · Building across Western Sydney since 2010
Coast, heritage and centre
This commercial and B-Line hub runs Federation, inter-war, post-war and contemporary stock on 450 to 800m2 blocks.
At a $2.6M to $5M-plus oceanfront market a designed home is a strong play, with what fits depending on the lot.
Hazard, rock and zoning
On direct beachfront a Coastal Hazard zone governs the envelope, and Heritage Conservation Areas cover the older streets.
This is Hawkesbury Sandstone with rock at $40K to $120K priced honestly, and R3 and R4 near the centre are worth a density check.
Custom home builder in Mona Vale — key facts
- Suburb
- Mona Vale, NSW 2103
- Council / LGA
- Northern Beaches Council (Northern Beaches)
- Primary zoning
- R2 Low
- Typical lot size
- 450–800m²
- Soil class
- Hawkesbury Sandstone
- Median house price
- $2.6M–$5M+ (oceanfront)
- Home era
- 1920s–1960s heritage + apartments + premium contemporary
- Typical price range
- $450,000 – $1,200,000+
- Typical timeline
- 12–20 months design to handover
- Approval pathway
- CDC fast-track (15 business days) or DA (40–90 days)
Want a real number for YOUR block — not a generic estimate?
Free site assessment, fixed-price contract, line-itemised quote within 48 hours. No high-pressure sales — just a real builder talking real numbers.
How It Works
From First Call to Final Key
Everything that has to be right before we touch the ground. We come to your Mona Vale site or you visit our office on The Horsley Drive in Fairfield. Either way, you leave the meeting with a clear cost band, an outline timeline, and a yes/no on whether your block supports the home you have in mind. The hard yards happen here, not at design lock-in. Our designer draws up plans matched to your Mona Vale block — north-facing living, compliant setbacks, garage placement, and outdoor flow. You get floor plans, elevations, and 3D renders to review before we lock in the design.
⏱The Mona Vale construction phase. Fixed price, programmed, supervised. Documentation is where bad builders cut corners and good builds stay on track. Buildana commissions the borehole, instructs the engineer, prepares BASIX, and aligns hydraulic, structural, and architectural drawings before lodgement. Certifiers reject sloppy packages — ours go in clean. CDC fast-track (10–15 business days) or DA through Northern Beaches Council (40–90 days). Mona Vale is zoned R2 Low. Construction Certificate obtained before works commence. Slab, frame, lock-up, fit-out, external works — all under fixed-price contract. Dedicated project manager on your build, weekly progress reports, and quality inspections at every critical hold point.
⏱The job isn't done when the site's clean; it's done when you have keys, certificates and warranties. OC, six-year structural warranty, two-year non-structural warranty, all manufacturer warranties on appliances and fixtures, BASIX certificate, certifier sign-offs, and maintenance schedule — all handed over in a single documentation pack. Keep it for your records and any future sale.
⏱Quality Promise
Mona Vale custom home construction done properly: design tailored to your block, compliance handled, pricing locked in before we start.
Cost Guide
| Item | Estimated Range |
|---|---|
| Single storey (150–200m²) | $520,000 – $750,000 |
| Double storey (200–300m²) | $750,000 – $1,150,000 |
| Premium custom home (300m²+) | $1,150,000+ |
| Design and documentation | $17,000 – $46,000 |
| Site preparation | $12,000 – $35,000 |
| Landscaping and external | $17,000 – $57,000 |
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
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Still got questions? Talk to Oliver directly.
30-min free call — bring your block, your brief, your budget. We'll map out feasibility, timeline, and realistic cost. No sales pitch.
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
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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.
Last updated: 1 July 2025
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Costs, approval pathway and fixed-price contract detail for every other build type we deliver in Mona Vale 2103. Northern Beaches Council regulations and local controls are covered on each page.