New build snagging for Agusta Park, Houndstone, Ilchester and the villages of South Somerset








BA22 sits in a part of Somerset where two very different property worlds collide. The hamstone villages of East Coker, West Coker and Barwick have stood for centuries, while just a few miles away, Persimmon's Agusta Park development at Houndstone is completing its final phases of 3 and 4-bedroom homes priced from £259,995 to £424,995. Our inspectors cover the whole BA22 district - from those Agusta Park new builds to conversions in the villages along the A303 corridor.
According to the Home Builders Federation's 2025 survey, 93.7% of new build buyers in England reported problems to their developer after moving in, with 26.2% raising more than 15 separate snags. A professional snagging inspection before you legally complete puts you in a far stronger position than raising issues afterwards - when the developer's lawyers are involved and fixes become a negotiation.
Our inspectors know the South Somerset market well. They understand which issues arise on developments built on Lias clay - the shrink-swell geology that runs beneath much of the Yeovil area - and what to look for on cavity-wall new builds where cold bridging, poor insulation fill and inadequate DPC installation are common at snagging inspections.

£296,388
Average House Price
HM Land Registry, BA22 district
£259,995 - £424,995
Agusta Park New Builds
Persimmon Homes, Houndstone, final phases
93.7%
New Builds With Defects
HBF Customer Satisfaction Survey 2025
67.9%
South Somerset Owner-Occupied
ONS Census 2021 - above England average
Much of the BA22 area sits on Lias Group clays - smectite-bearing clay soils with a significant shrink-swell potential, classified by the British Geological Survey as a major geohazard. These clays contract in dry summers and expand when rehydrated, creating cyclical ground movement that can stress foundations, drainage runs and floor slabs on new builds. Any new build in the Yeovil fringe or the A37/A303 corridor villages that hasn't been built with appropriate strip or raft foundations on this geology should be carefully assessed. A snagging survey checks visible evidence of foundation movement, including stepped cracking in mortar joints, door and window frames that bind, and floor slab separations at the perimeter - all early signs that the ground has moved during the construction or curing phase.
Persimmon's Agusta Park development at Houndstone - on the western edge of Yeovil within BA22 8 - is the most significant active new build site in this postcode district. Our inspectors have carried out snagging surveys on Persimmon properties across England and understand the recurring defect patterns on their house types: The Lynx, The Hummingbird, The Chinook and The Valor.
Typical defects found on Persimmon homes across the country include misaligned roof tiles creating wind uplift points, incomplete cavity insulation fill (detectable by thermal imaging), cold bridging at window lintels, poor air tightness at the wall-floor junction, incomplete mortar pointing on external brickwork, and squeaking floors caused by incorrect noggin spacing in first-floor timber decks.

Source: Somerset Intelligence / ONS Census 2021. South Somerset district.
National averages from CompareMy Move (2026). BA22 pricing indicative. Quotes vary by property size and complexity.
Not all BA22 properties are new builds. The district's villages - East Coker, West Coker, Barwick, Odcombe, Chilthorne Domer, North Cadbury and Queen Camel - contain a substantial stock of Ham Hill Stone properties. This golden Jurassic limestone, quarried from Ham Hill near Stoke-sub-Hamdon for nearly 2,000 years, is beautiful but requires specific maintenance knowledge.
Ham Hill Stone is porous and bedding plane orientation matters - stones laid with the bed face up (face bedded) shed water well; stones laid on their natural bed can delaminate over time. Our inspectors understand these local materials and what deterioration looks like in South Somerset's damp Atlantic climate. While a full snagging survey is specifically for new builds, buyers of older stone properties in BA22 villages should consider a RICS Level 2 or Level 3 survey instead.
Yeovil itself (BA20/BA21, immediately adjacent to BA22) has a mixed stock from Victorian terraced housing in the town centre to 1960s-80s system-built council estates. The borough's Yeovil East ward has the highest proportion of social rented housing in Somerset at 30.9%, reflecting the post-war council building programme.
Use our online form to describe your property - house type, number of bedrooms, address, and whether you need a pre-completion inspection or a full post-move-in snagging survey. We'll confirm pricing within a few hours.
For pre-completion surveys, we need access to the property before you exchange contracts - coordinate with the developer's site manager. For post-move-in surveys, we work around your schedule. Our inspectors cover the whole BA22 district including Houndstone, Ilchester, the Coker villages and all A303 corridor settlements.
Our inspector spends 3-5 hours on site for a standard new build in BA22. They use a tablet-based system to photograph and record every defect in real time, so nothing is missed between inspection and report. Thermal imaging is available as an add-on for cavity wall insulation checks.
Within 24 hours you receive a detailed PDF report with photographs, defect descriptions and recommended actions for each item. The report is formatted for submission to your developer - you can send it directly to Persimmon's customer service team or your housebuilder's site manager.
Your developer is legally obligated under the Consumer Code for Homebuilders and their NHBC warranty to rectify genuine defects. The snagging report creates a formal record. Our report can be used throughout the 2-year defect liability period - not just at completion.
Thermal imaging is an optional add-on that reveals defects invisible to the naked eye. The most common finding on BA22 new builds is incomplete cavity wall insulation fill. Regulations require cavity walls to be fully filled during construction, but a single missed section on a winter day - visible as a cold stripe on a thermal image - will cause higher heating bills and potential condensation on internal walls for as long as you own the property.
Given the Lias clay geology beneath much of the Yeovil area, thermal imaging also picks up localised cold floors where the concrete slab has not cured or insulated evenly - sometimes a sign of ground movement during construction. In South Somerset's damp climate, these points become condensation traps and then mould growth sites within 2-3 years of occupation.

For a 3-bedroom new build in BA22 - such as one of the Persimmon homes on Agusta Park at Houndstone - a full snagging survey typically costs from £395 to £450 including VAT. Pre-completion inspections, which take place before you exchange, start from £295. The national average for a 3-bed is £417 according to CompareMy Move's 2026 data. Given that the average BA22 house price is £296,388, a snagging survey represents less than 0.15% of your property value - and defects found can often be remediated at the developer's cost before you move in.
Yes. Agusta Park is a Persimmon Homes development, and Persimmon consistently appears in the lower half of the Home Builders Federation's annual star rating survey. Their 2025 survey found 93.7% of new build buyers nationally reported problems to their developer. Our inspectors have surveyed Persimmon properties across England and are familiar with the common defect patterns on their house type range - The Lynx, The Hummingbird, The Chinook and The Valor. A pre-completion snagging inspection at Agusta Park typically finds between 40 and 120 snags on a 3-4 bedroom house, many of which the developer will fix before you move in.
A thorough inspection of a 3-bedroom new build in BA22 takes between 3 and 4 hours on site. Larger 4 and 5-bedroom homes take 4-5 hours. Our inspector works systematically through every room, checking all surfaces, fittings, services and the external envelope including the roof from ground level. You receive the written report with photographs within 24 hours of the inspection. If you add thermal imaging, the inspection takes approximately 30 minutes longer.
Much of the Yeovil fringe and the A37/A303 corridor within BA22 sits on Lias Group clays - described by the British Geological Survey as having medium to high volume change potential due to their smectite content. These clays shrink in dry spells and swell when wet, creating cyclical ground movement. New builds on Lias clay need appropriately designed foundations. Our snagging surveys check for early signs of differential settlement including stepped cracking in mortar, binding doors and windows, and floor slab perimeter gaps that suggest the ground has moved since construction. Spotting these signs early - before your 2-year defect liability period expires - is far easier than establishing liability years later.
Our inspectors cover the whole BA22 postcode district including Ilchester, Houndstone, East Coker, West Coker, Barwick, Odcombe, Chilthorne Domer, Queen Camel, Sparkford, North Cadbury, Marston Magna and all smaller settlements. If you're buying a new build conversion in one of the hamstone villages - a barn conversion or former farm building divided into new homes - a snagging survey is just as relevant as on an estate house. These conversions often combine old stone shells with new internal build-outs, and the defect list can be even longer.
A snagging survey is specifically designed for new-build properties and looks for construction defects, workmanship issues, and items that don't meet the developer's specification or building regulations. It is not a structural survey and does not assess the building's overall condition against its age and type. A RICS Level 2 or Level 3 building survey is for properties on the secondary market - typically 10 years old or more. If you're buying a Ham Hill Stone cottage in East Coker or a 1970s semi in Yeovil, you need a RICS building survey, not a snagging survey. For new builds under 10 years old, particularly those still within the 2-year defect liability period, a snagging survey is the right product.
Yes. You can commission a snagging survey up to and including the end of your 2-year defect liability period - typically 2 years from legal completion. The NHBC Buildmark warranty also has a 10-year cover period for major structural defects. Our inspectors carry out post-occupancy surveys on homes where buyers have already moved in - in fact, some defects only become apparent once the heating system is run through a full winter cycle and the building materials have dried out. If you moved into your BA22 new build within the last 2 years and haven't had a professional inspection, a survey now could still identify dozens of remediable defects that your developer is obligated to fix.
The Environment Agency's flood risk data shows variable risk across BA22. Yeovil town itself (immediately adjacent) carries medium river flooding risk from the River Yeo. Within BA22, Ilchester has a low flood risk classification, while Sparkford and West Camel are rated very low for short-term flood risk - though long-term river and surface water risk is noted for some areas. The BA22 7 sector (Queen Camel, West Camel, North Cadbury) drains into river systems that feed the Somerset Levels, which have a well-documented flood history. A snagging survey does not include a flood risk assessment, but we recommend all BA22 buyers to check their specific address on the government's official flood risk checker before purchase.
Find the right survey for every property in South Somerset
From £420
For 1960s-90s properties and newer resale homes across Yeovil and BA22 villages
From £600
Full structural survey for Ham Hill Stone cottages and older properties in BA22
From £80
Energy Performance Certificate for properties across the BA22 postcode district
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New build snagging for Agusta Park, Houndstone, Ilchester and the villages of South Somerset
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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.