New builds on the edge of the Peak District face radon risk, limestone geology, and brownfield ground conditions. Our inspectors check every detail before you complete.








Ashbourne sits at the southern edge of the Peak District, where Carboniferous limestone meets Triassic Mercia Mudstone and the ground beneath new build developments carries a distinctive set of risks. Around 10% of homes in Ashbourne test above the radon action level. The Henmore Brook runs through the town centre in a designated flood warning zone. And the former RAF Ashbourne airfield - now David Wilson Homes' largest local site - sits on brownfield ground that required significant earthwork before construction began.
Our inspectors know what to look for in DE6. We cover all active new build sites across the postcode district, from the Ashbourne Airfield development at Harrison Way to Peveril Homes' Flagshaw Pastures in Kirk Langley. A typical snagging inspection finds between 50 and 200 defects - each one the developer's responsibility to remedy before your warranty starts.
With David Wilson Homes pricing from £289,995 to over £500,000, a snagging survey from £425 is a small cost against a major purchase. The HBF's own 2025 survey found 93.7% of new build buyers reported defects to their builder - independent inspection before completion means you identify them while the leverage is still in your hands.

£313,833
Ashbourne Average Price
HM Land Registry, 2024/25
32,284
Derbyshire Dales Households
ONS Census 2021
41.4%
Detached Homes in the Dales
Highest new build property type
£425
Snagging Survey From
3-bed home, DE6
Public Health England data shows that around 10% of homes tested in both Ashbourne North and Ashbourne South exceed the radon action level of 200 Bq/m3 - significantly above the UK national average of around 5.5%. Radon is a naturally occurring radioactive gas that rises from limestone and granite geology, and parts of DE6 sit directly over the Carboniferous limestone of the White Peak. Building Regulations require new builds in designated radon-affected areas to include radon-resistant construction measures: a radon barrier membrane beneath the ground floor slab and a passive radon sump that can be activated if monitoring shows elevated levels. Our inspectors verify that radon membranes and sumps are correctly installed - a check that is specific to high-radon areas like Ashbourne and not part of a standard snagging review in lower-risk postcodes.
Ashbourne sits at a geological boundary that has shaped its built environment for centuries. To the north, the White Peak's Carboniferous limestone stretches toward Matlock and the Dales - pale grey stone visible in the walls of Tissington, Thorpe, and Fenny Bentley. To the south and east, Triassic Mercia Mudstone takes over, a reddish clay that supports brick construction and provides the character of the town's Victorian and Edwardian streets.
Mercia Mudstone is classified as a low-to-moderate shrink-swell clay by the British Geological Survey. In extended dry periods, the clay shrinks; in wet periods, it swells. This cyclical movement can cause cracking in cavity brick construction, particularly where trees have been removed from a site before development or where surface drainage is poorly managed. New builds on Mercia Mudstone foundations should be inspected for early cracking at window and door reveals and at the junctions of different wall materials.
The Ashbourne Airfield site at Harrison Way is a former RAF training base, with significant cut-and-fill earthwork carried out before construction began. Brownfield development on former airfield hardstanding requires careful ground preparation. Our inspectors record early signs of differential settlement on this site - a check worth making on all plots, not just those in perceived low-lying areas.
Our inspectors use a 100-point checklist covering every room, every external elevation, roof details, and all fitted appliances and systems. In Ashbourne, we add specific checks for radon construction compliance and drainage performance that reflect the local ground conditions.
Our report is delivered within 48 hours with photographs of every defect, priority ratings, and clear language you can forward directly to your developer's customer care team. David Wilson Homes operates to HBF 5-star standards (16 consecutive years), which means a formal written snagging report from an independent inspector carries weight in their remediation process.

Enter your DE6 postcode and property size. A 3-bed house at Ashbourne Airfield typically costs from £425; a 4-bed from £475. Your quote is confirmed immediately, with no phone call needed.
Book for after the property is complete but before your legal completion date. Two working days' notice lets your developer address the most urgent items - including any radon construction defects - before you collect the keys.
One of our qualified inspectors attends your Ashbourne property. The inspection takes 2-4 hours depending on size. You can be present or leave access with David Wilson's site manager.
Your written report arrives within 48 hours with a full photographic defect log. We format it for direct submission to your developer's customer care team, ready to trigger the warranty remediation process.
The Environment Agency operates a formal flood warning area on the Henmore Brook at Ashbourne, covering Sturston Mill, the town centre, and the Henmore Trading Estate. Properties in low-lying areas along the brook sit in Flood Zone 3 (high probability of flooding). New build developments in Ashbourne are required to demonstrate compliance with local flood risk policies under the Derbyshire Dales Local Plan. Our inspectors check surface water drainage on all DE6 properties, verifying that paving falls away from the building, soakaways are correctly installed, and any flood resilience measures required by planning conditions are in place.
DE6 pricing based on Homemove published rates for East Midlands (no South East surcharge). National average from HomeOwners Alliance 2025. The East Midlands location of Ashbourne keeps prices close to the national average.
The two largest active new build sites in DE6 are very different in character. David Wilson Homes' Ashbourne Airfield at Harrison Way DE6 1LS is a substantial volume development of 3, 4, and 5-bedroom homes on the former RAF Ashbourne site, with prices from £289,995 to £514,995. The original runway has been preserved as a linear green space through the development. DWH is an HBF 5-star builder, but volume building at this scale means our inspectors find a consistent range of defects: cavity tray gaps, incomplete MVHR commissioning, and cosmetic finish shortfalls are among the most common.
Peveril Homes' Flagshaw Pastures at Kirk Langley DE6 4NS is a smaller, more premium development - 3, 4, and 5-bedroom homes plus bungalows from £429,995. Peveril is a regional Derbyshire builder (part of Bowmer + Kirkland Group). Current plots are largely reserved, but Flagshaw Grange, the next phase, is expected to launch in Summer 2026. At these price points, buyers should expect - and demand - a clean snagging report before completion.
For both sites, the brownfield and clay soil context means our inspectors pay particular attention to drainage performance, foundation cracking patterns, and radon construction compliance. These are not items that appear on a developer's own internal inspection checklist.

Snagging survey prices in DE6 typically start from £375 for a 1-2 bedroom house, £425 for a 3-bedroom house, and £475-£525 for larger 4-5 bedroom homes. These rates apply to Ashbourne and the surrounding DE6 area without a South East surcharge. The national average snagging survey costs £377, so DE6 pricing is broadly in line. With David Wilson Homes' Ashbourne Airfield priced from £289,995 to over £500,000, a snagging survey represents well under 0.2% of your purchase price for protection that identifies developer-liable defects before completion.
Our inspectors cover all active new build developments across DE6, including David Wilson Homes' Ashbourne Airfield at Harrison Way DE6 1LS, Peveril Homes' Flagshaw Pastures at Kirk Langley DE6 4NS, and NCHA affordable homes on the Cavendish Drive/Airfield zone. We also cover any smaller infill developments and self-build new builds across the postcode district. If you are buying at the planned Flagshaw Grange phase (expected Summer 2026), we can book inspections once your completion date is confirmed.
Most new build inspections in Ashbourne take between 2 and 4 hours. A 3-bedroom house takes approximately 2.5-3 hours. A 5-bedroom detached home - which is common at Flagshaw Pastures - takes closer to 4 hours. Our inspector works through every room and external area systematically against a 100-point checklist. For properties in the radon-affected zone, we carry out additional checks on radon membrane installation and sump positioning. You receive your full written report with photographs within 48 hours.
Radon is a naturally occurring radioactive gas that forms in the ground from the decay of uranium in rocks and soil. It seeps upward through limestone and granite geology and can accumulate inside buildings to harmful concentrations. Around 10% of homes tested in Ashbourne North and Ashbourne South exceed the 200 Bq/m3 action level recommended by the UK Health Security Agency - significantly above the UK-wide average of 5.5%. Building Regulations require all new builds in designated radon-affected areas (which includes parts of DE6) to include a radon barrier membrane and a passive sump system. Our inspectors verify these are correctly installed. A radon membrane that has been pierced during services installation, or a sump that has no ventilation path to the outside, provides no protection and is a defect the developer must remedy.
The White Peak limestone to the north and northwest of Ashbourne is cavernous karst - one of the largest areas of Carboniferous limestone karst in Britain. Dissolution of limestone by groundwater creates solution pipes, dolines, and swallow holes that represent ground instability risks. New builds directly on the limestone (as opposed to the Triassic ground on which most Ashbourne town developments sit) require ground investigation reports for planning. For properties at the Ashbourne Airfield site, which sits on Triassic Mercia Mudstone rather than limestone, the primary ground risk is clay shrink-swell rather than karst. Our inspectors check for early cracking patterns that indicate differential settlement on both soil types.
The Environment Agency's formal flood warning area covers the Henmore Brook through Ashbourne town centre. New build developments in the DE6 area are assessed for flood risk during the planning process, and sites within Flood Zone 3 require developers to demonstrate surface water drainage compliance under national planning policy. Our inspectors verify that surface water drainage on all DE6 new builds performs correctly - paving falls toward drainage channels rather than the building, soakaways are operational, and any flood-resilience measures imposed by planning conditions are actually installed. For properties outside the flood zone, drainage performance remains important on Mercia Mudstone clay soils.
Yes. A post-completion snagging survey is worth commissioning at any point within your 2-year developer warranty period. David Wilson Homes' 2-year warranty covers defects in materials and workmanship; the 10-year NHBC Buildmark structural warranty then runs to year 10. Our report is formal written notification of defects within the warranty period, which is your evidence base if DWH's customer care team is slow to respond or disputes a particular item. The New Homes Ombudsman accepts evidence in this format for formal complaints. The sooner you commission the survey after completion, the more complete your record of original conditions.
Most new builds inspected by our team in the East Midlands have between 80 and 150 individual defects. The HBF's 2025 National New Homes Customer Satisfaction Survey found 93.7% of buyers reported defects to their builder after moving in - the benefit of an independent inspection is identifying these before completion, when your developer's obligation to fix them is clearest and fastest. Common items in volume developments include cavity tray gaps, paint and decorating shortfalls, skirting board gaps, tile grout cracking, MVHR commissioning failures, and drainage falls in wet rooms. Radon construction defects are an additional category specific to high-radon postcodes like parts of DE6.
Our full range of property surveys covering DE6 and Derbyshire Dales
From £395
A HomeBuyer Report for established DE6 properties - Victorian and Georgian townhouses in Ashbourne and limestone cottages in Derbyshire Dales villages
From £595
A full structural survey for older or non-standard DE6 properties - stone-built farmhouses, listed buildings, and properties with complex construction histories
From £75
Energy Performance Certificate for Ashbourne and Derbyshire Dales properties - required for all property sales and lettings across DE6
From £200
RICS valuation for DE6 properties with a Help to Buy equity loan - required before staircasing or full repayment of the equity loan
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New builds on the edge of the Peak District face radon risk, limestone geology, and brownfield ground conditions. Our inspectors check every detail before you complete.
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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.