Independent inspections for new build buyers across Sanderstead, Selsdon and South Croydon - where London Clay, North Downs chalk and boutique developers demand expert scrutiny








South Croydon, Sanderstead and Selsdon have no active volume housebuilders. The new build market in CR2 is served by boutique developers delivering schemes of 3 to 37 units: Kingswood Way in Selsdon, Artistic Villas in Sanderstead, Quail Gardens, Easton Court, Goschen Mews. These are 4 and 5-bed houses at £550k-£750k from private developers with no dedicated customer care function. When our inspectors find defects - and they do, on every site - there is no central complaints team to escalate to. That means your snagging report and your legal completion contract are the only formal tools you have.
The HBF's 2025 National New Homes Customer Satisfaction Survey found 93.7% of new build buyers reported defects after moving in, with over a quarter finding more than 15 separate snags. That figure is for volume housebuilders with mature quality management systems. On boutique infill sites in CR2 with a single project manager across three or four plots, the defect rate is no lower. Our inspectors work systematically through every room, every service run, every external surface, and produce an illustrated report that you can hand directly to the developer as formal defect notification.

£492,414
Average House Price
CR2 district (Rightmove Feb 2026)
£788,928
Detached Average
Sanderstead and Selsdon detached
£558,986
Semi-Detached Average
Dominant type in CR2
£289,933
Flats Average
South Croydon station area
CR2 is not a postcode where Taylor Wimpey or Barratt are building estates. The new build market here is a collection of small developments by private and boutique developers: collections of 4-16 family houses, retirement apartment blocks, gated mews courts and architect-designed one-offs. Kingswood Way (Selsdon/Farleigh, 7 houses), Quail Gardens (4-bed semis, from ~£600k), Vineyard Developments in Sanderstead (3 detached plus 6 apartments), Goschen Mews in South Croydon (8 mews houses), Sanderson Lodge (37 retirement apartments on Addington Road from £374,950).
Boutique developers in this price bracket often produce very high-specification finishes - contemporary kitchens, underfloor heating, high-grade sanitaryware. But the build quality of the structural shell, the thermal envelope, and the drainage is not always commensurate with the spec sheet. Our inspectors have found cavity insulation gaps, poorly sealed window frames, and drainage failures on premium schemes in this bracket that would have cost buyers thousands to fix if not identified before completion.
The northern and central parts of CR2 - South Croydon station area and much of Selsdon - sit on London Clay, the highest shrink-swell classified soil in England. This clay expands in wet winters and contracts significantly in dry summers, placing cyclic stress on foundations. After the record dry summers of 2018 and 2022, UK subsidence insurance claims hit 10,000+ in a single quarter, costing insurers £64 million. New builds on London Clay in CR2 must have deeper foundations (NHBC Chapter 4.2 requirement) than equivalent properties on stable ground. Our inspectors check that the foundation specification in the build documentation actually matches the site ground conditions - a verification that is particularly important on boutique developments where site investigation records may be less comprehensive than on a major housebuilder site.
Upper Sanderstead and the higher parts of Selsdon are not on London Clay - they sit at or near the North Downs chalk escarpment. The BGS documents an active swallow hole at Addington (on the CR2/CR0 border) connected to a fracture system where groundwater moves at 3km per day. Chalk karst - dissolution of limestone by groundwater, creating voids and cavities below ground - is a documented geohazard in this zone.
For new builds on chalk or clay-with-flints in upper Sanderstead, the geotechnical risk is different from the subsidence risk on clay: the concern is not seasonal movement but potential cavity collapse below the foundation plane. A competent site investigation should include trial pitting or probing to detect dissolution pipes or voids. On boutique developments in Sanderstead, our inspectors ask to see the ground investigation report and verify the foundation design addresses the site-specific geology.
The transition from London Clay to chalk across CR2 is not a straight line - it varies street by street across the southern half of the postcode. This is one reason why independent snagging inspection in CR2 cannot rely on a standard checklist: the geological context of each site changes the defect profile.

Estimated distribution based on CR2 sold price data and postcode analysis (Rightmove/HouseMetric 2026). Semi-detached properties (predominantly 1930s) are the dominant type; detached are prevalent in Sanderstead; flats are concentrated near South Croydon station.
Outside of new build schemes, CR2's residential character is almost entirely defined by the interwar suburban expansion of the 1920s and 1930s - triggered by the electrification of the Southern Railway. Tree-lined roads of semi-detached and detached houses, rendered or pebbledash upper storeys, bay windows, clay tile roofs. Croham Manor Road is designated as a Conservation Area specifically for this planned 1930s character.
If you are buying a 1930s semi-detached or detached property in CR2 rather than a new build, a snagging survey is not the right product - you need a RICS Level 2 HomeBuyer Report or a RICS Level 3 Building Survey. The defects in 1930s stock are structural in nature: bay window rotation caused by shallow foundations and clay movement, failed render concealing cracking, suspended timber ground floors with blocked airbricks, and redundant chimney stacks with open flue voids allowing damp ingress.
South East London and Surrey prices carry a premium over the national average. HomeSnag applies a £50 London and South East surcharge. Book before legal completion to maximise developer remediation obligations.
As soon as your developer confirms your legal completion date, get in touch. For boutique CR2 developments with a small number of plots, completing and claiming back defects happens quickly - you need to book ahead to secure a pre-completion slot.
Our qualified inspector carries out a systematic examination of every room, the roof space, all accessible external elevations, services, drainage and external works. We bring moisture meters, spirit levels, and (on thermal imaging bookings) a calibrated FLIR camera to detect insulation gaps not visible to the naked eye.
Your report is delivered within 48 hours. Every defect is photographed, severity-rated, and written in plain English with reference to NHBC Buildmark warranty standards. The format is designed to be handed directly to your developer as formal defect notification.
On boutique CR2 developments, the developer's point of contact is often the project director or the developer directly. Our report gives you a clear, documented basis for requesting remediation. We advise on the formal notification process if you need guidance.
Once the developer confirms defects have been resolved, we can return to verify independently that every item has been properly remediated before you sign off the snagging list.
Snagging survey prices in CR2 reflect the South East London premium. Snag List Pro (serving the CR2 area) charges fixed fees by bedroom: £299 for 1-bed, £399 for 2-bed, £439 for 3-bed, £449 for 4-bed, and £559 for 5-bed properties. HomeSnag apply a £50 London and South East surcharge above their standard pricing. RICS-chartered surveyor snagging reports in the CR2 area typically range from £500-£1,200 plus VAT depending on size and scope. The survey cost represents well under 0.1% of property value on a typical CR2 new build at £600k-£750k.
Yes - and arguably more useful than on a large volume housebuilder estate. Boutique CR2 developers like those behind Kingswood Way, Goschen Mews, or the Sanderstead family house collections do not have dedicated customer care teams. On a Barratt or Taylor Wimpey site, there is a structured defect resolution process. On a boutique site, your legal purchase contract and your snagging report are your primary tools. Getting a thorough, illustrated defect report before completion establishes a clear baseline and formal obligation for the developer to remediate. The HBF found 93.7% of new build buyers reported defects - boutique schemes are no different.
London Clay covers the northern and central parts of CR2 - particularly the South Croydon station area and lower Selsdon. It is the highest-shrink-swell classified soil in England, shrinking in dry summers and swelling in wet winters. NHBC Chapter 4.2 requires deeper foundations on high shrink-swell clay than on stable ground - typically 1.2-1.5m or more, versus 0.5-0.6m adequate in stable conditions. Our inspectors check that the foundation specification in your build documentation matches the site investigation. On boutique developments where ground investigation records may be less comprehensive, this check can be decisive.
Yes. Upper Sanderstead and parts of upper Selsdon are at or near the North Downs chalk escarpment. The BGS documents an active chalk swallow hole at Addington (on the CR2/CR0 border) where groundwater moves through fractures at 3km per day. Chalk karst - dissolution of carbonate rock by groundwater creating underground voids - is a documented geohazard in this zone. For new builds in upper Sanderstead, the risk is not subsidence from clay movement but potential cavity collapse beneath the foundations. A competent site investigation should address this, and we review the geotechnical documentation on Sanderstead new builds as a specific check.
On boutique and private developer schemes in CR2, our most frequent findings include: cavity wall insulation gaps (identified under thermal imaging), window and door alignment failures causing draught infiltration, drainage gradients directing surface water toward rather than away from the building, plasterwork cracking at wall-ceiling junctions (thermal movement), services commissioning defects (underfloor heating zones, MVHR where fitted), and incomplete documentation including missing air pressure test certificates and NHBC Buildmark registrations. On premium-finish properties, cosmetic defects - misaligned tiles, grout failures, paint adhesion issues - are often numerous despite the high specification.
No - snagging surveys are designed for new build properties. For a 1930s semi-detached in South Croydon, Sanderstead or Selsdon, you need a RICS Level 2 HomeBuyer Report or, if the property shows signs of movement or has significant period features, a RICS Level 3 Building Survey. The defects in 1930s stock are structurally different from new build defects: bay window rotation on clay foundations, failed pebbledash render, blocked airbricks causing floor joist rot, and chimney breast removal issues are the key concerns. Our related services include both RICS Level 2 and Level 3 surveys for the CR2 resale market.
We aim to confirm availability within 24 hours of enquiry and can typically schedule an inspection within one to three weeks. For CR2 boutique developments with limited plots and fast-moving completions, we recommend contacting us as soon as your developer confirms your legal completion date. Pre-completion slots on small developments can fill quickly if multiple buyers on the same scheme book simultaneously. The earlier you contact us, the more scheduling flexibility we have to secure a date before your completion.
Full range of property survey services across Sanderstead, Selsdon and South Croydon
From £395
HomeBuyer Report for the 1930s semi-detached and detached stock throughout CR2
From £595
Full structural survey for period properties in Sanderstead, Selsdon and South Croydon
From £75
Energy Performance Certificate for sale, let or new build compliance across CR2
From £250
RICS-compliant Help to Buy redemption valuations in South Croydon CR2
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Independent inspections for new build buyers across Sanderstead, Selsdon and South Croydon - where London Clay, North Downs chalk and boutique developers demand expert scrutiny
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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.