Question 1

What does a high-specification full renovation typically cost in Belgravia (SW1W, SW1X)?

Accepted Answer

A comprehensive renovation of a Belgravia townhouse — all bathrooms refitted, a bespoke kitchen with stone surfaces and integrated cabinetry, fitted joinery throughout, structural alterations, and period plasterwork reinstated — typically starts from around £270,000 and scales upward with property size and specification. Basement projects carry their own budget: a single-level excavation and fit-out under a SW1W or SW1X townhouse generally starts from approximately £95,000 before finishes. PrimeCraft provides a fully itemised written quote on the day of the survey, separating labour, materials, and consent-related costs so the total figure is precise before any work is commissioned.

Question 2

Is it possible to dig out a basement under a listed Belgravia townhouse?

Accepted Answer

Basement excavation under a Grade II listed property in SW1W or SW1X is deliverable but involves the most heavily consented process in Westminster. Planning permission, listed building consent for internal structural alterations, a structural engineer's scheme for temporary support and permanent waterproofing, a Westminster basement impact assessment, and party-wall awards with every adjoining owner are all required before excavation. Grosvenor Estate approval adds another layer where the Estate's covenants apply. PrimeCraft establishes the consent stack for your specific address at the outset, sequences approvals before programme dates are set, and prices each stage — design, consent, structure, and fit-out — as separate lines on the quote.

Question 3

Why is most renovation work in Belgravia focused internally rather than on extensions?

Accepted Answer

The listing and conservation area controls that apply to virtually every SW1W and SW1X address make any alteration to the external envelope a complex and often refused proposition. Rear extensions, roof additions, and frontage changes all require Westminster consent and, in most cases, listed building consent — and the Grosvenor Estate holds additional veto powers over appearance across much of the area. As a result, budgets that might elsewhere fund an extension tend instead to go toward basement fit-outs, high-specification kitchen and bathroom refits, fitted bespoke joinery, and structural internal reconfigurations. Unlisted mews properties in SW1X occasionally allow small rear additions, and we advise on the specific planning position for each address at survey.

Builders inBelgravia.

Services we deliver in Belgravia

Nearby areas we also cover

Commonquestions, Belgravia.

Let's talk through what you're planning.

Builders inBelgravia.

Services we deliver in Belgravia

Nearby areas we also cover

CommonCommonquestions, Belgravia.questions, Belgravia.

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

Commonquestions, Belgravia.

Let's talk through what you're planning.