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Permitted18/05897/FULLLoft conversion

111-117 Marylebone High Street 12-14 St Vincent Street Westminster W1U 4RZ

Variation of Conditions 1 and 13 of planning permission dated 13 September 2016 (RN: 16/03666/FULL) for, 'Erection of a single storey mansard roof extension above No's 2 and 4 Blandford Street and the corner building of 111 Marylebone High Street, second floor infill extension on St Vincent Street and the rear extensions at second and third floor levels projecting into the internal courtyard. Installation of balconies on the rear elevations, alterations to fenestration and creation of a shared external amenity space within the courtyard area at first floor level and installation of new plan and associated works, all in conjunction with works to combine and to combine two residential blocks to enable the reconfiguration of 24 existing units and to provide an additional 7 residential units (site includes 111-117 Marylebone High Street, 14 St Vincent Street and 2-8 Blandford Street)'; NAMELY, to make the following amendments to the approved development: (i) Changes to mix of residential unit sizes; (ii) Alterations to the roof associated to air conditioning; (iii) Reconfiguration of rooflight; (iv) Extensions to the rear; (v) Amendments to refuse and cycle parking; (vi) Alterations to the floor layout plans; and (vii) Associated works.

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Map of the site

Progress

Submitted
—
— completed
Validated
—
— completed
Consultation
—
— completed
Target date
—
— completed
Decided
6 Sept 2018
— completed

Application details

Reference
18/05897/FULL
Local authority
Westminster
Postcode
W1U 4RZ
Ward
MARYLEBONE HIGH STREET
Application type
All Other
Property type
House

Key dates

Decided
6 Sept 2018

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

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 2016. 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