← Back to search

Permitted0201826Loft conversion

Site at, 85-88 Marylebone High Street Westminster W1U 4QW

Alterations including the erection of mansard extensions to 87/88 Marylebone High Street for residential purposes. Use of No. 86 for Class A1 (retail) on basement and ground floors and residential use on 1st to 4th floors comprising 4 flats

Find on council portal

Tracking, tags and letters are part of the paid plan. See what it costs. Searching and reading any record stays free.

Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
25 Sept 2002
— completed

Application details

Reference
0201826
Local authority
Westminster
Postcode
W1U 4QW
Ward
MARYLEBONE HIGH STREET
Application type
All Other
Property type
Flat

Key dates

Decided
25 Sept 2002

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 £1,325,000 — the median of the last 6 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