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Permitted18/03409/FULLSubmitted 8 years agoRear extension

Westminster

Erection of double storey rooftop extension to both the west wing (Surrey Street facade) and the east wing (Arundel Street facade) to provide office/studio (Class B1) floorspace and associated external alterations.

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Progress

Submitted
26 Apr 2018
— completed
Validated
26 Apr 2018
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
21 Aug 2018
— completed

Application details

Reference
18/03409/FULL
Local authority
Westminster
Application type
All Other
Property type
Commercial

Key dates

Submitted
26 Apr 2018
Validated
26 Apr 2018
Decided
21 Aug 2018

Estimated project value

£30k–£55k

Typical UK cost for this job type, at UK average rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: MyJobQuote / Checkatrade 2026, ~20m² at £1,800-£3,000/m².

Planning constraints

No designations recorded at this location. This is not a formal search — always confirm with the local authority before relying on it.

Designations from planning.data.gov.uk, Open Government Licence v3.0. Indicative only — not a formal local authority search.

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