Independent snagging inspections for Gatcombe Orchard and new builds across Wrington, Chew Magna and the wider BS40 rural corridor








BS40 is one of the most distinctive postcodes in the South West. Stretching across the Chew Valley, the Mendip foothills and the villages south of Bristol, it covers Wrington, Chew Magna, Chew Stoke, Blagdon, Burrington and East and West Harptree. The average sold price across BS40 is £543,714 - with detached homes averaging £687,438. At those values, the cost of an independent snagging inspection is a fraction of what a missed defect list can cost to rectify once the builder's two-year warranty expires.
Our inspectors cover all active new build sites in BS40, including Gatcombe Orchard in Wrington where Acorn Property Group is delivering 34 homes rated EPC A. We know the specific demands of building in this landscape: karst limestone ground conditions, high radon potential from the Mendip geology, and the strict planning context of the Green Belt and Mendip Hills AONB that surrounds much of the postcode.

£543,714
Average House Price
Land Registry / Rightmove, Feb 2026
£687,438
Detached Average
Majority of all BS40 sales are detached
£417,740
Semi-Detached Avg
Rightmove, 12 months to Dec 2025
£350,000
New Build from
Gatcombe Orchard, Wrington (Acorn)
Gatcombe Orchard on West Hay Road, Wrington is the primary active new build site in BS40. Acorn Property Group is delivering 34 homes - two, three and four-bedroom properties priced from £350,000 to £685,000. All homes carry an EPC A rating, with solar PV panels, underfloor heating, EV charging points and Shaker-style kitchens with Bosch integrated appliances. When a new build carries this level of specification, the snagging list is correspondingly detailed.
Our inspectors approach premium-specification homes like those at Gatcombe Orchard with particular attention to the systems and finishes that justify the price point. Underfloor heating manifold settings, solar panel mounting and roof penetration seals, bi-fold or aluminium door alignment, and kitchen installation tolerances are all checked against the specification document. We also verify that the EPC A rating is substantiated by the installed insulation and glazing specification matching the design drawings.

The Carboniferous Limestone forming the Mendip Hills is one of the most radon-active geologies in England. Radon is a naturally occurring radioactive gas that can accumulate to dangerous concentrations inside buildings on limestone bedrock. Parts of Somerset and the Mendip area are among the highest-risk radon zones in England. All new builds in affected areas should have been constructed with radon-resistant membranes and sumps - our inspectors check that these are present and correctly installed. If you are buying a new build in BS40 6 or BS40 7 (the Mendip fringe sectors), ask your builder to confirm radon protection measures are included in the specification. Properties already occupied should have a radon test carried out by a UKAS-accredited laboratory.
Indicative from Rightmove sales data and ONS Census 2021 rural housing patterns. Flats are extremely rare in this rural postcode.
An estimated 35-45% of BS40's housing stock pre-dates 1919. The predominant building material across the Chew Valley and Mendip villages is White Lias Limestone - a local sedimentary stone used for everything from cottage walls to boundary enclosures. Chew Magna's Conservation Area, designated in 1978, protects hundreds of listed buildings of limestone rubble construction.
Historic limestone properties require a RICS Level 3 Building Survey, not a snagging inspection. Level 3 surveys assess the structural condition of solid-wall construction, check for damp penetration through failed or inappropriate cement repointing (one of the most common and damaging errors on limestone buildings), and advise on original lime mortar reinstatement. If you are buying a pre-1919 stone cottage or farmhouse in BS40, book a Level 3 survey, not a snag check.
Snagging surveys apply only to new builds in their first two years of completion. For BS40, that means homes at Gatcombe Orchard in Wrington, at occasional infill plots within the villages, and at any conversion schemes that were completed as new dwelling units. The NHBC Buildmark warranty - or equivalent like LABC or Premier Guarantee - is what makes the snagging report enforceable. The builder's liability for defects runs for two years from legal completion, and our written report is the evidence you need to hold them to it.
The River Chew and Winford Brook present a rapid-response flood risk through Chew Magna and Chew Stoke in BS40 8. The 1968 flood inundated 88 properties in Chew Magna with up to 2.4 metres of water after 175mm of rainfall fell in 18 hours. The Environment Agency operates a flood warning system for Winford Brook at Chew Magna, with a warning lead time of only 30 minutes - meaning flood barriers must be deployable immediately. If you are buying near the River Chew, confirm with your solicitor that a full flood risk search has been obtained, and check whether the property has flood resilience measures already in place. This applies to older properties; new builds in the village will have been required to demonstrate compliance with the Sequential Test in planning consent.
Homemove prices are fixed and inclusive. Local Somerset independent inspector data from structuresurvey.co.uk. No VAT surcharge for either provider.
Enter your property details online and receive an instant fixed price. No site visit required for the quote - just your address and number of bedrooms.
Choose a date that suits you. We aim to inspect within 5 working days of booking. Book before your completion date to be ready to present the report immediately after handover.
Our inspector arrives at your Wrington or Chew Valley address and works through every room, external envelope, roof space, drainage chambers, and garden. Allow 3-5 hours for a 3-4 bedroom home.
You receive a detailed report with photographs of each defect, cross-referenced to room and location. Each item is categorised by urgency and trades responsibility.
Forward the report to your developer's customer care team. Under your NHBC Buildmark or equivalent warranty, the builder must address all items on the list during the two-year builder responsibility period.
Most of BS40 sits within either the Bristol/Bath Green Belt or the Mendip Hills Area of Outstanding Natural Beauty. These planning designations strictly limit new residential development to infill within village boundaries, affordable exceptions sites on small rural parcels, and conversions of redundant agricultural buildings. Major volume housebuilder sites - Taylor Wimpey, Persimmon, Barratt - are not active in BS40 itself; they operate in adjacent BS48 around Nailsea and Backwell.
This means buyers at Gatcombe Orchard in Wrington are in a relatively unusual position: purchasing a new build in a tightly supply-constrained rural market where re-sale values for quality new homes hold up well. The Acorn Property Group specification - EPC A, solar panels, underfloor heating - is designed to appeal to exactly this buyer profile. Our snagging inspection ensures the delivered build quality matches the specification that justified the purchase price.

Our snagging surveys in BS40 start from £295 for a two-bedroom property. A three-bedroom home at Gatcombe Orchard costs £395, and a four-bedroom detached is priced at £495. These are fixed, all-inclusive prices with no VAT added and no travel supplement for the BS40 area. Local Somerset independent inspectors charge £345-£495 for similar properties, so our pricing is competitive for this premium rural market.
Yes. Gatcombe Orchard on West Hay Road, Wrington (BS40 5NW) is covered by our BS40 inspection service. Acorn Property Group builds to a high specification with underfloor heating, solar panels and EV charging points on all homes - our inspectors are familiar with this level of premium-specification new build and know what to look for on A-rated properties. We inspect against the developer's own technical specification document and NHBC standards.
A standard three-bedroom home takes 3 to 4 hours to inspect thoroughly. Four or five-bedroom homes with more complex specification - bi-fold doors, underfloor heating throughout, utility rooms, garages - can take 4 to 5 hours. Our inspector works through every room, the external envelope, roof void, drainage inspection chambers, and garden. You receive the digital report within 48 hours.
Yes. The Mendip Hills limestone geology means that parts of BS40 6 and BS40 7 in particular have elevated radon potential. Radon-resistant construction is required by Building Regulations where the local authority has designated the area as affected. Our inspectors check whether the as-built specification includes a radon-resistant membrane and sump. If you are buying in the eastern sectors of BS40 (Burrington, East and West Harptree, Compton Martin), this is worth discussing with your builder before completion.
The River Chew and Winford Brook create localised flood risk through Chew Magna and Chew Stoke in BS40 8. The 1968 event put 88 properties under up to 2.4 metres of water. The EA flood warning system for Winford Brook operates with only 30 minutes lead time. Most new build sites in BS40 are located outside the main flood zones - Gatcombe Orchard in Wrington (BS40 5) is not in a flood risk area. However, your solicitor's search should always include an EA flood risk search for any BS40 purchase.
If the barn conversion received a new build warranty (NHBC, LABC, Premier Guarantee or similar), then yes - a snagging survey applies and the warranty covers defects for two years from completion. If it was sold without a new build warranty, a snagging survey is less appropriate and a RICS Level 2 or Level 3 building survey would be more suitable. Many BS40 barn conversions are high-value properties where significant investment in the survey is justified. Contact us and we can advise on the right product for your specific property.
A snagging survey applies only to new builds in the first two years - it checks workmanship and build quality against the specification. A RICS Level 3 Building Survey applies to older properties and assesses structural condition, damp, roofing, services and maintenance requirements. For the pre-1919 White Lias limestone cottages that dominate many BS40 villages, a Level 3 is the correct survey. Specific issues to look for on historic limestone properties include failed lime mortar pointing (replaced with damaging Portland cement), rising damp in pre-DPC walls, and condensation behind modern dry-lining applied to solid stone walls.
Planning and conservation designations do not directly affect the snagging inspection itself - our report covers the building and its defects regardless of location. However, the AONB context is relevant to remediation: if a snag requires external alteration (for example, replacement of a non-compliant rooflight or incorrect render colour), the builder may need Listed Building Consent or planning consent before carrying out the repair. Our report notes the location and nature of defects accurately so that the builder's customer care team can assess what consents may be needed. In a AONB or Conservation Area, consent requirements should not delay repairs inside the two-year warranty period.
Our full range of property surveys for Chew Valley and Mendip buyers
From £595
Essential for pre-1919 limestone cottages and farmhouses in the BS40 villages. Covers structural condition, damp, roofing and maintenance.
From £395
For post-war and modern properties in BS40 that are not new builds. Covers condition, defects and maintenance advice.
From £75
Energy Performance Certificate for BS40 properties. Required for all sales and lettings across the Chew Valley.
From £300
RICS-qualified valuation for Help to Buy equity loan redemption in North Somerset and Bath & NE Somerset.
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Independent snagging inspections for Gatcombe Orchard and new builds across Wrington, Chew Magna and the wider BS40 rural corridor
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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.