New build inspections for Brentwood's premium homes - from Shenfield's Elizabeth line commuter belt to Doddinghurst's village developments








A snagging survey in CM15 Brentwood is especially worthwhile on London Clay - one of Britain's most problematic substrates for new build construction. Our inspectors have caught foundation drainage failures, inadequate damp-proof membrane installations, and brick pointing defects that, left unchecked on London Clay ground, accelerate differential movement. With average house prices in CM15 reaching \u00a3612,483 and premium detached homes regularly exceeding \u00a3850,000, a snagging survey at \u00a3295-\u00a3500 is the most straightforward financial protection a new build buyer can make.
CM15 new builds come overwhelmingly from boutique and regional developers - StoneBond, Blueprint, Court & Co and similar names - rather than the volume housebuilders whose quality control has been scrutinised in national reports. Smaller developers often lack the systematic sign-off processes of larger firms, meaning defect rates on their sites can vary significantly between plots and phases. Our inspectors bring the same rigour to a 5-bed Kelvedon Hatch new build at £915,000 as to a 2-bed Brentwood town apartment.

£612,483
Average House Price
12 months to Dec 2025 (LR/Rightmove)
£876,037
Average Detached
Dominant property type in CM15
Elizabeth line
Shenfield Station
Direct to Heathrow and Paddington
£735k-£2.65M
New Build Premiums
Active boutique schemes Feb 2026
Brentwood sits on London Clay that runs up to 150 metres deep in Essex. During dry periods - and Essex is one of England's driest counties - this clay shrinks and desiccates. Tree root activity from CM15's well-wooded surroundings (Weald Country Park, Thorndon Country Park, Hartswood) accelerates this process. Insurance claims from clay shrinkage events in 1976-77 and 1988-92 prompted widespread premium increases across Essex. Our inspectors check drainage falls, subfloor ventilation, and external ground levels on every CM15 inspection - these are the details that determine how a home performs on London Clay over decades.
Volume housebuilders - Barratt, Taylor Wimpey, Persimmon - have public-facing quality assurance processes and NHBC site managers with incentive structures tied to snag rates. CM15's current new build market works differently. Schemes like The Sherwoods on Dagwood Lane (15 homes, from £1.9M), Hall Lane Shenfield (7 homes and 3 apartments), and Myleswood at Kelvedon Hatch (StoneBond, from £850k) are delivered by regional developers where quality depends almost entirely on individual site managers and subcontractor teams. Taylor Wimpey is also active on Roman Road, Mountnessing (56 homes, public consultation early 2025, 50% affordable) - one of the few volume builder schemes currently planned within CM15.
Our inspectors have found that smaller schemes frequently show inconsistencies between plots - sometimes within the same road. Plot 1 passes with 12 items; Plot 3 in the same phase has 47. This is not unusual and reflects the reality of small-batch construction. What matters is catching the issues on your specific plot before legal completion, when the developer's legal obligation to remedy defects is clearest.

Estimated from LR/Rightmove sales data pattern for CM15. CM15 is dominated by detached family homes, reflecting its affluent commuter-belt character.
Since the Elizabeth line extended to Shenfield, properties within walking distance of the station have commanded an additional premium. Shenfield is the eastern terminus - from here, you can reach Paddington in under 50 minutes, Liverpool Street in 28 minutes, and Heathrow Terminal 5 without changing. This connectivity drives demand and price from London buyers who want a CM15 home with garden at prices that remain below most equivalent-sized properties in east and southeast London.
The same buyers who relocate from London for space are often buying new builds for the first time. Having lived in older rental or leasehold flats, they may not know what to look for in a newly built home. Our detailed inspection report - typically 30-60 annotated items with photographs - gives them the documented evidence they need to approach the developer's customer care team from a position of clarity rather than confusion.
Enter your CM15 postcode and property size. Our pricing is transparent - no hidden extras, no travel charges within Essex.
Select a slot before your legal completion date. Our inspectors work across CM15, Shenfield, Doddinghurst, Kelvedon Hatch, and surrounding villages.
Our inspector spends 2-4 hours on site (depending on property size), working through a 500-point checklist. The developer does not need to be present.
A detailed PDF report with photographs is delivered within 24 hours. You share this with your developer's customer care team before exchange or completion.
If items are outstanding after the developer's remediation window, we can re-inspect. We support you through the defects process, not just the initial inspection.
Snagging survey pricing is based on property size, not property value. A £2M Doddinghurst home costs the same to inspect as a £700k Shenfield home of equivalent floor area.
Essex brick construction has particular patterns that our inspectors watch for. The London Clay substrate means drainage design matters more here than in many other regions. We routinely find: rainwater gulley positions that will allow standing water against cavity walls; air brick heights set too close to ground level (a clay heave risk in wet winters); and external ground levels raked toward the house rather than away. None of these are dramatic structural failures at the point of completion - but each becomes a maintenance liability within 5-10 years.

Our CM15 snagging surveys start from £295 for a 2-bed apartment and run to £500+ for larger detached homes. Given that CM15 new builds range from £400k apartments to £2.65M luxury houses, the cost of a snagging inspection represents a fraction of a percent of the purchase price. There are no additional travel charges for CM15 addresses - our inspectors are based across Essex. The fee is the same regardless of the developer or the address within the CM15 outcode.
The best time is as soon as you have a completion date confirmed - typically 2-4 weeks before legal completion. This gives you time to receive your report, share it with the developer's customer care team, and allow reasonable time for urgent items to be remedied before you move in. Some developers will let you access the property before completion for a snagging inspection; others require this to happen on completion day. We can advise on your developer's usual approach for CM15 sites.
A typical 3-4 bed detached house in CM15 takes 2.5-3.5 hours to inspect. A larger 5-bed detached - such as the homes at The Sherwoods, Myleswood, or Hall Lane - takes 3.5-5 hours. Apartments take 1.5-2.5 hours. Our inspector works methodically through every accessible space, including roof void, understairs, garage, and all external elevations. You receive your report within 24 hours of the inspection.
Yes. The NHBC Buildmark warranty covers structural defects for 10 years, but the warranty process requires you to demonstrate the defect exists and that it meets NHBC's threshold for intervention. NHBC does not inspect your home on your behalf - you need to identify and report defects yourself. Our snagging report gives you the documented evidence trail to support any NHBC claim, and it catches the non-structural snags (finishing quality, joinery, drainage details) that fall outside NHBC's core coverage. Many CM15 boutique developers offer their own 10-year structural warranty rather than NHBC - in those cases, independent documentation of your property's condition at handover is even more important.
London Clay underlies virtually all of CM15 and runs 150 metres deep in Essex. The clay shrinks significantly during dry periods - Essex is one of England's driest counties - and desiccation by tree roots accelerates this process. CM15 has substantial woodland on its edges (Weald Country Park, Thorndon Country Park, Hartswood), which makes root-related clay desiccation a live risk for nearby plots. Our inspectors check external drainage falls, subfloor ventilation, ground level DPC clearance, and internal cracking patterns that might indicate early differential movement. For new builds on previously agricultural land within CM15, we also check for evidence of ground preparation and whether topsoil stripping and compaction has been carried out to the correct specification.
Yes. A post-completion snagging survey within the first 2 years is still valuable. Most new build warranties include a developer defects period (typically 2 years from completion) during which the developer is obliged to remedy reported defects at no cost to you. Our post-completion inspection identifies and documents all outstanding items within this window. For CM15 boutique developers, having a professional report rather than a personal snag list significantly improves the likelihood of prompt remediation. We recommend booking within the first 6 months of occupation to maximise the time available for the developer to act.
We cover all areas within the CM15 outcode including Brentwood town, Shenfield, Doddinghurst, Pilgrims Hatch, Kelvedon Hatch, Mountnessing, Blackmore, and surrounding villages. We also cover adjacent new build activity near Brentwood at addresses falling just outside CM15 in CM13 or CM14 - please enter your full postcode for a precise quote. Our inspectors are based across Essex and can typically reach any CM15 address without surcharge.
On a typical 3-4 bed new build, our CM15 inspectors find between 20 and 80 items. The range is wide because it depends on the developer's quality control, the stage of the build at inspection time, and the size and complexity of the property. Boutique developers building 7-15 homes tend to have more variable results between plots than would be found on a larger managed site. The defects we find range from cosmetic (plasterwork chips, unfinished paintwork) to functional (drainage falls, window drainage slots blocked, inadequate ventilation) to items requiring prompt attention (gas appliance commissioning gaps, roof tile alignment). No new build is defect-free; the purpose of snagging is to give you the documented evidence you need to require the developer to remedy items before you lose that right.
Explore our full range of property survey services across Brentwood and Essex
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RICS-registered valuation for Help to Buy equity loan redemption in Brentwood
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New build inspections for Brentwood's premium homes - from Shenfield's Elizabeth line commuter belt to Doddinghurst's village developments
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