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Permitted21/02834/FULLSubmitted 5 years agoLoft conversion

1 Marylebone High Street Westminster W1U 4DL

Works to existing guttering and roof gables and recladding existing dormers with lead

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Progress

Submitted
29 Apr 2021
— completed
Validated
29 Apr 2021
— completed
Consultation
14 Jun 2021
— completed
Target date
24 Jun 2021
— completed
Decided
18 Jun 2021
— completed

Application details

Reference
21/02834/FULL
Local authority
Westminster
Postcode
W1U 4DL
Ward
MHA_02
Application type
All Other
Property type
House

Key dates

Submitted
29 Apr 2021
Validated
29 Apr 2021
Comments close
14 Jun 2021
Target decision
24 Jun 2021
Decided
18 Jun 2021

Estimated project value

£37k–£100k

Typical UK cost for this job type, at inner London rates (2026). Estimated from the proposal description — planning applications do not state build cost. Source: Checkatrade 2026 loft conversion cost guide.

Recently sold nearby

New owners, recently moved in. First work on a house usually follows within months of completing. 8 recent sales are listed below.

Homes here go for about £1,175,000 — the median of the last 5 market sales in W1U (the wider postcode district), £685,000 to £1,500,000.

Contains HM Land Registry data © Crown copyright and database right 2026. 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.

Nearby applications