New builds in Purbeck face unique risks - from Kimmeridge clay ground movement to strict AONB design standards. Our inspectors check everything.








Our inspectors have surveyed new builds across Wareham and the Purbeck area. With average prices reaching £405,000 across BH20 and detached homes averaging £537,000, there is a great deal at stake when you hand over your keys deposit.
Development in BH20 is tightly constrained by the Dorset National Landscape and the adopted Purbeck Local Plan (July 2024). Builders working here must comply with strict design requirements - sympathetic materials, correct roofing finishes, and principal residence covenants. Non-compliance with planning conditions is a defect category in its own right. Our inspectors understand these local requirements and know what to look for beyond the standard snag checklist.
The Purbeck area carries specific ground conditions that affect new build quality: Kimmeridge clay to the south brings shrink-swell risk, sandy Poole Formation soils around the heathlands can cause differential settlement, and much of Wareham town sits within Environment Agency Flood Zone 3 where correct damp-proof courses and cavity trays are non-negotiable. In our experience, a thorough pre-completion inspection in BH20 catches these issues before you move in - while your developer is still legally obligated to put things right.

£405,000
Average House Price
Past 12 months (Zoopla 2024/25)
£537,000
Detached Home Average
Most common new build type in BH20
1,436
Listed Buildings
Highest concentration in south-west England
93.7%
New Build Buyers Reporting Defects
HBF annual survey 2025
Much of Wareham town centre and the Stoborough, East Stoke and Ridge areas sit within Environment Agency Flood Zone 3 - the highest risk category, with greater than 1% annual probability of fluvial or tidal flooding from the Rivers Frome and Piddle as they discharge into Poole Harbour. For new builds in these locations, your snagging inspection must verify that floor levels meet the required flood resilience threshold, that cavity trays and damp-proof courses are correctly installed, and that external drainage falls away from the property. These are not cosmetic items. Getting them wrong can void your buildings insurance or leave you uninsurable. Our inspectors are trained to check flood resilience specification against the planning consent conditions.
Purbeck's new homes are predominantly detached and semi-detached houses - reflecting BH20's property profile where 38% of homes are detached and only around 8% are flats. These larger properties take longer to inspect and have more to check: external brickwork, roof detail, garages, outbuildings, and garden drainage all form part of our standard report.
The Purbeck Local Plan's design requirements add an extra layer to our inspections. Where planning consent requires the use of natural materials - Purbeck limestone, Portland stone, or buff brick - we verify that the specified materials have actually been used, and that pointing and finishing match the approved samples. Concrete tile substituted for natural slate, or sand-faced brick replacing the consented stone, are planning breaches as well as aesthetic failures.

Source: ONS Census 2021. BH20 postcode district, 12,592 households. BH20 has a significantly higher proportion of detached homes than the national average, reflecting its rural and market-town character.
In our BH20 inspections, the geology is one of the first things we brief our inspectors on - because the area spans several distinct geological zones, and each presents its own risks for new build foundations. Kimmeridge clay - which underlies much of the southern Purbeck hills and Blackmore Vale - is a classic shrink-swell clay. During dry summers it contracts, and after wet winters it swells. On new builds where the foundation depth or reinforcement specification has not accounted for this movement, hairline cracks appearing in the first year of occupation are often the first sign of a problem that will get worse.
The heathland soils east and south of Wareham - thin, acidic Eocene sands and gravels from the Poole Formation - present a different problem. Their low load-bearing capacity means that even modest differential settlement can cause doors to bind, floor screed to crack along joints, or skirting boards to part from the floor. On sandy heathland plots, the quality of the engineered foundation specification is everything, and our inspectors look specifically for these early settlement indicators during every BH20 inspection.
River alluvium in the Frome and Piddle floodplain adds a third variable: high water tables at certain times of year can penetrate below-floor cavities or affect underground drainage if falls are insufficient. On every flood plain property we inspect, we check external drainage gradients, inspection chamber covers, and airbrick heights against the approved plans.
Homemove pricing as of 2025. Local Dorset specialist pricing based on published rates from dorsetsnaggingservices.com. All prices exclude VAT. Larger detached homes typical in BH20 attract higher inspection fees due to inspection time. Thermal imaging add-ons range from £100-£200 extra.
Tell us the postcode, property type, and your target completion date. Our instant quote tool gives you a fixed price with no hidden extras - no call required.
Our inspectors covering the BH20 area understand Purbeck's planning design codes, local geology, and flood risk zones. We arrange access directly with your developer.
Our inspector arrives before you collect your keys. The inspection typically takes 3-5 hours for a standard detached home, covering all rooms, the roof space, and external envelope.
You receive a prioritised written report with photographs and clear descriptions of every defect. Items are categorised by urgency so you know what to raise with your developer first.
If your developer disputes any item on the report, our team can advise on your rights under your warranty and the Consumer Code for Homebuilders. We're on your side.
Development activity in BH20 is notably different from major urban postcodes. The Purbeck Local Plan (adopted July 2024) targets only 2,976 new homes across the entire district through to 2034 - roughly 186 per year. The most significant rejected proposal was Bellway's 500-home West of Wareham scheme, which attracted 93% local opposition and was excluded as an allocation site. This means most new build activity comes from smaller regional developers and specialist builders.
Active developments include Wyatt Homes' 67-home scheme at Bere Regis (Back Lane and North Street, planning ref P/FUL/2024/05032 - 26 affordable homes), and smaller specialist schemes like Regency Living's Rochester Court bungalows at Bere Regis and Manor Farm Court at East Stoke. Cawdor Construction has active small bungalow developments near Wareham. For any of these new-build purchases, a snagging survey is just as important as on a large volume developer estate - often more so, as smaller builders operate with less standardised quality control processes.
The second homes ban introduced under Purbeck Local Plan Policy H14 means that all new builds within the Dorset National Landscape must be occupied as the buyer's principal residence in perpetuity. This is a restrictive covenant attached to the title. Buyers should confirm this at conveyancing, and our inspectors note any signage or documentation discrepancies during the inspection.

Snagging survey prices in the BH20 area start from £295 for a smaller property and typically range from £395 to £550 for the larger detached and semi-detached homes that are most common in Wareham and Purbeck. Local Dorset snagging specialists tend to charge from £355, and larger firms with national coverage sit in a similar bracket. The main pricing variable is the size of the property - a 5-bed detached in Wareham will take significantly longer to inspect than a 2-bed apartment. Optional thermal imaging surveys, which can identify poor insulation and hidden moisture ingress, add around £100-£200 to the base price and can be worth considering on properties near the flood plain.
The best time to have a snagging survey done is before you legally complete on your purchase - ideally on the same day, or a day before. During this window, the property is technically still owned by your developer, and their obligation to remedy defects is at its strongest. If you have already completed, all is not lost: for the first two years after completion, your developer remains contractually liable under the Consumer Code for Homebuilders for defects reported in writing. For the first ten years, structural defects are covered by your NHBC Buildmark warranty or equivalent. BH20 properties near the flood plain or on heathland soils should ideally be inspected before the first dry summer, when settlement cracks may first become visible.
For the detached and larger semi-detached homes typical in BH20, allow 3-5 hours on site. A thorough inspection covers every room, the roof space, the garage if present, and the full external envelope including brickwork, roof tiles, windows, external drainage, and boundary treatments. Smaller terraced homes or apartments can be inspected in 2-3 hours. Our inspector will need unaccompanied access to work methodically without interruption - we arrange this directly with your developer. The written report, with photographs and prioritised defect list, is delivered within 24 hours of the inspection.
Yes - the NHBC Buildmark warranty and a snagging survey serve different purposes. The NHBC warranty is an insurance product covering structural defects for ten years, but it does not cover the hundreds of smaller defects - poor plastering, misaligned tiles, badly fitted windows, drainage falls, or cosmetic finishing - that are your developer's responsibility to put right. The NHBC's own data consistently shows that buyers who have a pre-completion snagging inspection identify far more issues than those who rely on the developer's own sign-off. In BH20, where some developments use smaller regional builders with less standardised quality processes, an independent inspection is particularly valuable.
In the BH20 area, our inspectors consistently flag a recurring set of issues reflecting the local geology and planning context. On Kimmeridge clay plots, early settlement cracks at door frames and around window reveals are common in the first one to two years. On sandy heathland soils, uneven floor screed joints and sticking internal doors can indicate differential settlement in the first months. Near the Frome and Piddle flood plain, incorrectly specified airbrick heights, insufficient DPC levels, and poorly graded external paving falls are the most common problems. On all Purbeck developments requiring natural materials, substituted cheaper materials - concrete tile instead of clay, or sand-faced brick instead of the consented local stone - are worth checking and are reported where found.
Yes. If you have already completed on your BH20 property, you can still commission a post-completion snagging survey. For the first two years after your legal completion date, your developer has an obligation under the Consumer Code for Homebuilders to rectify defects reported in writing - the survey report provides documented evidence to support your claim. For the following eight years (years three to ten), structural issues are covered by your NHBC Buildmark or equivalent structural warranty. A post-completion survey is particularly relevant if you are approaching the end of your developer's two-year period and want a final check before that liability window closes.
Indirectly, yes. In areas covered by the Dorset National Landscape - which includes most of BH20 south of Wareham - planning consents typically include specific material and design conditions. Our inspectors note where the as-built property appears to deviate from conditions that require local stone, natural slate, or specific brick colours. While a snagging surveyor is not a planning inspector, recording discrepancies between the planning approval and the finished home gives you documented grounds to raise concerns with your conveyancer and developer. We also note required drainage conditions and any SUDS (sustainable drainage) infrastructure required under planning, to confirm it has been installed to specification.
If your developer disputes the report or fails to respond within a reasonable timeframe, you have several routes. Your NHBC Buildmark warranty includes an independent dispute resolution service called Resolution - this is a free service that adjudicates between buyers and builders where disagreements arise. The Consumer Code for Homebuilders also provides a free adjudication scheme. Both services recognise a written, photographic snagging report as strong evidence. Homemove's team can advise on how to present your case and what documentation to gather. In BH20, where some development is by smaller local builders without the larger NHBC warranties, checking your specific warranty type at conveyancing is advisable.
Explore our full range of property survey and valuation services covering the BH20 area
From £395
Ideal for standard properties in Wareham town or modern estates - a thorough condition report with traffic-light ratings
From £550
Essential for older Purbeck stone cottages, converted farm buildings, or listed properties where defects can be costly
From £75
Energy Performance Certificate for rental or sale in BH20 - quick turnaround with qualified assessors
From £150
RICS-registered valuation required for Help to Buy equity loan redemption in the BH20 area
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New builds in Purbeck face unique risks - from Kimmeridge clay ground movement to strict AONB design standards. Our inspectors check everything.
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.