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Refused25/02292/LBCSubmitted over a year agoLoft conversion

20 Conduit Street Westminster W1S 2XW

Rear extension of an existing fifth floor plant room converted into office space with new terrace (E use). Rebuilding of an existing mansard wall for a sheer storey facade with metal cladding. Replacement windows within existing openings. Cleaning and repairs to facade. Replacement of existing lift, extending it to reach fifth floor and new plant to roof level. (Linked with 25/02291/FULL)

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Progress

Submitted
3 Apr 2025
— completed
Validated
3 Apr 2025
— completed
Consultation
26 May 2025
— completed
Target date
29 May 2025
— completed
Decided
27 May 2025
— completed

Application details

Reference
25/02292/LBC
Local authority
Westminster
Postcode
W1S 2XW
Ward
WEW_22
Application type
All Other
Property type
Commercial

Key dates

Submitted
3 Apr 2025
Validated
3 Apr 2025
Comments close
26 May 2025
Target decision
29 May 2025
Decided
27 May 2025

Estimated project value

£62k–£130k

Based on the 38.0m² of floor area stated in the application, at inner London rates (2026). Source: Checkatrade 2026, loft conversion £1,200-£2,500/m².

Floor area gained: 38

Recently sold nearby

Nothing on this postcode has changed hands in the last two years. The sales below are for pricing rather than a lead.

Contains HM Land Registry data © Crown copyright and database right 2023. This data is licensed under the Open Government Licence v3.0. Sales are matched by postcode, not by property, so a sale listed here may be a neighbouring address. England and Wales only.

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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