Question 1

What does a rear extension cost on a Victorian terrace in West Ham (E15)?

Accepted Answer

A single-storey rear extension on a West Ham Victorian terrace in E15 — taking the project to a finished, decorated shell with rear glazed doors and structural opening into the existing house — typically costs £44,000 to £70,000. Incorporating a full kitchen refit inside the extended footprint adds to this; boiler relocation or underfloor heating in the new slab are priced at the site visit as separate line items. Properties backing onto the railway corridor occasionally have access restrictions that affect groundworks pricing, which we factor in before confirming the quote.

Question 2

Do I need planning permission to extend my West Ham house (E15)?

Accepted Answer

Houses on E15's established terrace streets generally retain their permitted development rights for single-storey rear extensions — up to three metres from the original rear wall without any application, or up to six metres under the neighbour-consultation prior-approval scheme. Loft conversions with a rear dormer also commonly proceed under PD. Purpose-built flats and converted apartments in the West Ham area are a separate matter: being leasehold, they require a licence to alter from the freeholder or managing agent rather than a planning approval. We establish the correct consent route for your specific address at the site visit.

Question 3

Is it worth combining a loft conversion and kitchen extension into one project in West Ham (E15)?

Accepted Answer

On West Ham's Victorian terrace stock, combining a rear kitchen extension with a rear dormer loft conversion in a single contract is often more cost-effective than running two separate projects. Scaffolding, skip hire, and Building Control fees overlap; one site mobilisation replaces two. The kitchen extension typically adds a generous open-plan ground floor; the dormer creates a principal bedroom or additional bedroom suite. Neighbours in Stratford and Plaistow with comparable Victorian stock have seen the same pattern. We produce a single fully itemised quote covering both scopes on the day of the site visit.

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Builders inWest Ham.

Services we deliver in West Ham

Nearby areas we also cover

CommonCommonquestions, West Ham.questions, West Ham.

Let's talk throughLet's talk throughwhat you're planning.what you're planning.

Commonquestions, West Ham.

Let's talk through what you're planning.