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Permitted26/02575/NMASubmitted 4 months agoBasement

23 Lower Belgrave Street Westminster

Amendments to planning permission dated 05 November 2025 (RN: 24/05141/FULL) for Extension and refurbishment of existing office building to include part demolition of ground floor, rebuilding of sixth floor, erection of setback seventh floor and new eighth floor plant enclosure and lateral extension towards Lower Belgrave Street, provision of flexible Class E floorspace (restaurant/retail space) at ground level, provision of terraces at levels 6 & 7 including greening, public realm enhancements, provision of cycle parking spaces and facilities and associated works. Namely, minor updates to building facades, rationalisation of ground floor landscaped area, and reconfiguration of the ground, first, and basement footprint.

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Progress

Submitted
20 Apr 2026
— completed
Validated
20 Apr 2026
— completed
Consultation
— completed
Target date
18 May 2026
— completed
Decided
18 May 2026
— completed

Application details

Reference
26/02575/NMA
Local authority
Westminster
Ward
KBW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
20 Apr 2026
Validated
20 Apr 2026
Target decision
18 May 2026
Decided
18 May 2026

Estimated project value

£100k–£250k

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: trade estimate.

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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