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Permitted21/06850/FULLSubmitted 4 years agoLoft conversion

Westminster

Variation of Condition 1 of planning permission dated 12th August 2021 (RN: 21/04250/FULL) for the: Alterations including 7th floor roof extension, alterations to office and retail entrances/shopfronts on Great Marlborough Street; reconfiguration of western lightwell elevation, installation of photovoltaic panels, green roofs, new extract ventilation duct and new plant enclosure at roof level and creation of office and residential terraces. Use of lower ground, part ground and part 1st to part 7th floors as offices (Class B1); use of part ground floor for dual/alternative retail (Class A1) or restaurant (Class A3) purposes; reconfiguration of existing flats and provision of one additional flat; use of basement to provide plant, cycle parking/showers waste storage and car parking (site includes 11 Ramillies Place). NAMELY, to allow various amendments at roof level including new roof plant and services, increased green roof, and other changes to the external appearance of the building.

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Progress

Submitted
11 Oct 2021
— completed
Validated
11 Oct 2021
— completed
Consultation
16 Feb 2022
— completed
Target date
6 Dec 2021
— completed
Decided
23 Feb 2022
— completed

Application details

Reference
21/06850/FULL
Local authority
Westminster
Ward
WEA_02
Application type
All Other
Property type
Flat

Key dates

Submitted
11 Oct 2021
Validated
11 Oct 2021
Comments close
16 Feb 2022
Target decision
6 Dec 2021
Decided
23 Feb 2022

Estimated project value

£28k–£75k

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: Checkatrade 2026 loft conversion cost guide.

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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