Homes we inspect in Walthamstow
Most of Walthamstow is late Victorian and Edwardian terraced housing, built quickly as the railway arrived. The Warner Estate built many of the area's distinctive Warner flats: terraces of upper and lower maisonettes that look like houses from the street. Walthamstow Village has older cottages and houses in a conservation area.
For Warner flats, the upper and lower flats are separate homes, so a loft conversion upstairs or an extension downstairs needs to take the other flat into account.
Common structural issues in Walthamstow
- Loft conversions in terraces and upper Warner flats.
- Rear extensions on lower flats that affect the flat above.
- Roof spread and dormer issues in older conversions.
- Movement near street trees on clay.
- Walls removed between rooms without adequate support.
Ground conditions
Walthamstow has river terrace gravels and London Clay, with alluvium along the Lea valley to the west, where the reservoirs and marshes lie. Ground conditions change across the area, so we check the records for each address.
We check the British Geological Survey records for every address we inspect, because ground conditions can change from one street to the next.
Services in Walthamstow
- Structural inspections: Specific (SSI) from £420*, General (GSI) from £540* and Comprehensive (CGSI) from £880*.
- Mortgage structural reports when your lender's valuer asks for an engineer.
- Insurance structural reports and subsidence investigations.
- Wall and chimney breast removal calculations for Building Control.
- Extension and loft conversion design.
- Freeholder consent reports for leasehold flats.
* Prices are a guide only and VAT may be added. Contact us for an accurate price.
Arranging an inspection in Walthamstow
Send us the postcode, whether it is a house or a flat, how many bedrooms it has and a few photos of what you have noticed, or your valuer's letter. We will recommend the right service and give you a price in writing before you book. Our engineers travel to Walthamstow from our office on Turnham Green Terrace in Chiswick, with weekday and weekend visits available. See our prices or request a quote.
Local guides
Nearby areas we cover
See all areas we cover across London.
Common questions
Do you have an office in Walthamstow?
No. Our office is at Gable House, 18–24 Turnham Green Terrace, Chiswick, W4 1QP, and our engineers travel to Walthamstow for inspections and site visits.
Can I convert the loft of an upper Warner flat?
Often, yes, subject to planning, the lease and the rights of the freeholder or the lower flat owner. The structure needs designing for the new floor and dormer, and the support comes down through walls shared with the flat below, so we look at both.
