DA10 is one of the most active new build postcodes in England - Ebbsfleet Garden City, Cable Wharf, Harbour Village. Our inspectors find the defects your builder hopes you miss.








DA10 now centres on Ebbsfleet Garden City - the largest new build development project in southern England. Keepmoat's Cable Wharf, Bellway's Harbour Village, and Redrow's Stonehaven Park are all delivering hundreds of homes on this corner of the Thames Estuary. Our inspectors have worked across this corridor since the first phases completed, and we know exactly what corners get cut here.
Beyond the new builds, Swanscombe and Northfleet have a substantial stock of Victorian and Edwardian terraces built during the great cement-making era - solid London stock brick properties that reward proper inspection before purchase. A brand-new flat at The Lakes or a terraced house in the old village: either way, an independent inspection before you exchange gives you the leverage to get defects fixed at the developer's or seller's cost.

~£310,000
Average House Price
Swanscombe DA10 estimated (Rightmove sold, 2025)
£331,210
Adjacent Northfleet Average
DA11 Northfleet, Rightmove Feb 2026
2,744
Swanscombe Ward Households
ONS Census 2021 (rising rapidly due to Ebbsfleet completions)
£240k-£750k
New Build Price Range
Cable Wharf to Ebbsfleet Valley premium homes
Cable Wharf and Harbour Village are built on the remediated site of Northfleet Cement Works - confirmed contaminants included heavy metals, hydrocarbons, Japanese knotweed, and asbestos. Ground remediation was completed by specialist contractors, but buyers should verify that remediation certificates and ground investigation reports are available from the developer before exchange. Our inspectors review developer-issued documentation as part of our Cable Wharf inspection package, and we flag any gaps in the warranty chain.
DA10 is unusual because it has active construction from at least four major housebuilders simultaneously - Keepmoat, Bellway, Redrow, and others in the wider Ebbsfleet Valley masterplan. Each builder has different quality control standards, and the same type of property from different developers can have very different defect profiles. Our inspectors carry development-specific checklists built from previous inspections at each site.
Timber frame construction - common across volume housebuilder output in this corridor - comes with specific concerns: shrinkage cracking around window reveals and at plasterboard joins, cold bridging at structural elements, and inadequate insulation in loft spaces. These are not always visible during a developer's own final inspection. Thermal imaging picks them up before you complete.

Based on Rightmove recent sales data for DA11 Northfleet. DA10 new build zones are increasing the flat proportion rapidly as Ebbsfleet Garden City phases complete.
DA10 sits on Upper Chalk with Thames alluvial deposits along the river corridor. Chalk is generally stable under load but creates two specific risks worth knowing about. First, chalk dissolves slowly in acidic groundwater - historic quarrying at Swanscombe and Hedge Place removed substantial volumes of chalk, and dissolution features around void margins are a known geological concern in this area. Second, chalk aquifers can overflow during prolonged wet periods, causing groundwater flooding from below rather than from surface water or rivers. The Environment Agency's Thames Estuary 2100 plan explicitly identifies Swanscombe and Northfleet as a policy unit requiring defence upgrades by 2040 to keep pace with rising sea levels.
For buyers on older stock in Swanscombe village and Northfleet town, Victorian brick terraces built on chalk are generally well-established - the ground has had 120+ years to settle. But extensions and outbuildings built post-1960 on inadequately compacted fill, or in rear gardens over historic quarry backfill, can show differential settlement. Our inspectors check for uneven floors, sticking doors, diagonal cracking patterns, and external ground level changes that can indicate localised movement.
Snagging survey pricing from Snag List Pro (Kent specialist) and Homemove market data. LABC Warranty data shows the average new build carries up to 157 defects at completion.
Not all DA10 buyers are buying new builds. The old village streets of Swanscombe - Milton Road, Broomfield Road, London Road - have a substantial stock of Victorian and Edwardian terraces and semi-detached houses that come to market at £260,000-£370,000. Northfleet has similar stock on Springhead Road, Vale Road, and Hamerton Road: solid London stock brick construction from the era when this was the global capital of Portland cement manufacturing.
London stock brick terraces have known vulnerabilities that a visual pre-purchase check will identify. Solid walls (no cavity) mean penetrating damp from failed pointing is a common problem - look for dark patches below window sills and around chimney stacks. Original Victorian drainage in clay pipes is prone to root ingress and partial collapse. Flat-roofed rear extensions added post-1960 are a common failure point. Our inspectors provide pre-purchase inspection reports that give buyers clear negotiating points before exchange.

Enter your property type and size at Swanscombe, Northfleet, or Ebbsfleet Valley. Our pricing is fixed - no surprises. Most DA10 properties quote in under two minutes.
Select a date that works for you. For new build pre-completion inspections, we coordinate directly with the developer's site team to arrange access. We typically have availability within 3-5 working days in the DA postcode area.
Our inspector spends 2-4 hours at the property depending on size. We check every room, every external elevation, roof, drainage, and all developer-installed fittings. We use thermal imaging where appropriate.
Your snagging report is delivered within 24 hours. It lists every defect with photographs, categorised by severity and responsibility (developer vs buyer). We include a template letter for submitting snags to your developer.
Your report gives you documented evidence that defects existed before completion. Developers are legally required to fix genuine snagging defects under NHBC Buildmark or equivalent warranties. Our clients recover significantly more in repairs than the cost of the inspection.
Snagging surveys in DA10 start at £299 for a 1-bed flat and rise to £699 for a 6+ bedroom house. A 3-bed property - the most common type being built across Ebbsfleet Garden City - costs from £439. These prices are in line with Kent market rates and reflect a thorough, multi-hour inspection with a detailed written report and photographs. The cost is usually recovered many times over in defect remediation value.
Yes - particularly at Cable Wharf and Harbour Village. Both developments are built on remediated former cement works land, which adds complexity to the ground conditions. Beyond the brownfield context, volume housebuilder construction across all Northfleet riverside schemes carries the same risks as any large development: shrinkage cracking, drainage issues, insulation gaps, and finish defects. The LABC Warranty body has documented an average of up to 157 defects per new build at completion. A snagging survey before or immediately after completion puts you in the strongest position to have those defects fixed under warranty.
Most DA10 inspections take 2-4 hours on site, depending on property size and complexity. Apartment inspections tend to be faster; larger detached houses or properties with external outbuildings take longer. We allocate sufficient time to inspect every room, all external elevations, the roof (from ladder where accessible), drainage gullies, and all developer-installed fixtures and fittings.
Pre-completion snagging is the ideal approach. Getting access in the final 1-2 weeks before legal completion means defects can be logged with the developer while they still have site staff on hand to fix them. We coordinate with developers across Ebbsfleet Garden City, Cable Wharf, and Harbour Village regularly. Some developers resist pre-completion access, but you have the right to appoint an independent inspector - we can advise on how to approach this conversation with your developer.
The collapse of the London Resort theme park project and the SSSI designation of Swanscombe Peninsula removes a significant source of speculative uncertainty from the area. The peninsula itself will not be developed for residential use. This is broadly neutral to positive for existing DA10 residential values - the area retains a protected nature reserve rather than gaining a commercial attraction. Buyers should note that any properties adjacent to the peninsula may have had their values affected by years of uncertainty; anyone buying near the marshes should check planning history and any covenants on the title.
A snagging survey is designed specifically for new build properties and identifies construction defects, poor workmanship, and items the developer should fix under warranty. It is not a structural survey and does not assess the long-term structural condition of the building. A RICS Level 2 or Level 3 survey is appropriate for older properties - Victorian and Edwardian terraces in Swanscombe village or Northfleet town - and provides a professional assessment of condition, structural risks, and advice on maintenance. New build buyers need a snagging survey. Buyers of property more than 10 years old should commission a RICS survey.
Apartment-specific defects in Ebbsfleet Valley schemes include: acoustic separation between floors and walls (a common complaint in multi-storey blocks), balcony drainage and waterproofing (critical in a Thames Estuary location with high wind-driven rain), communal corridor finishing (often rushed at handover), lift shaft noise transmission, and mechanical ventilation systems in apartments without openable windows. Our inspectors check fire door leaf gap tolerances and intumescent seal integrity - fire separation defects in apartment blocks are taken seriously and must be reported to the developer's warranty provider.
NHBC Buildmark policies run for 10 years from the date of the original completion certificate, not from your purchase date. A second-hand new build in Ebbsfleet Garden City that completed in 2018 or later may still have NHBC warranty years remaining. You can check the warranty status by contacting NHBC directly with the property address. Our snagging reports identify which defects fall within the developer's 2-year obligation period and which fall within the 3-10 year structural warranty period, helping you direct your claim appropriately.
Explore our full range of property surveys covering DA10 and surrounding Kent postcodes
From £399
For Victorian and Edwardian terraces in Swanscombe village and Northfleet - a professional assessment of condition and value
From £599
Comprehensive structural survey for older or non-standard DA10 properties, including former cement-industry workers' cottages
From £75
Energy Performance Certificate for DA10 properties - required for all sales and lettings
From £299
RICS Help to Buy valuation for Ebbsfleet Garden City shared ownership and Help to Buy properties in DA10
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DA10 is one of the most active new build postcodes in England - Ebbsfleet Garden City, Cable Wharf, Harbour Village. Our inspectors find the defects your builder hopes you miss.
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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.