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Permitted2025/5132/LSubmitted 10 months agoTwo-storey extension

Wiener Library Institute Of Contemporary History 29 Russell Square London WC1B 5DP

Two-storey rear extension linked to closet wing of the existing building to form a new learning space at ground floor with a new gallery and roof terrace at first floor, and other minor works to existing building.

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Progress

Submitted
14 Nov 2025
— completed
Validated
— completed
Consultation
— completed
Target date
— completed
Decided
7 Apr 2026
— completed

Application details

Reference
2025/5132/L
Local authority
Camden
Ward
Bloomsbury
Application type
Listed Building Consent
Property type
House

Key dates

Submitted
14 Nov 2025
Decided
7 Apr 2026

Estimated project value

£55k–£130k

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: FMB / Checkatrade 2026, £2,000-£2,800/m² over a larger floor area.

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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