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Permitted26/01858/FULLSubmitted 5 months agoLoft conversion

28 Chester Row Westminster SW1W 9JB

Installation of staircase within front lightwell and gate within existing railings; replacement of front lightwell paving; replacement of existing lantern lights in roof of existing single storey rear extension with two rooflights; demolition and replacement of existing roof extension with new mansard roof extension; replacement of front entrance door and fanlight; replacement of door to Minera Mews; replacement French doors to front basement lightwell; replacement of all single-glazed timber sash windows with double-glazed timber sash windows and installation of air conditioning condenser unit within acoustic enclosure at front second-floor level.

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Progress

Submitted
23 Mar 2026
— completed
Validated
23 Mar 2026
— completed
Consultation
28 Apr 2026
— completed
Target date
18 May 2026
— completed
Decided
12 Jun 2026
— completed

Application details

Reference
26/01858/FULL
Local authority
Westminster
Postcode
SW1W 9JB
Ward
KBW_22
Application type
All Other
Property type
House

Key dates

Submitted
23 Mar 2026
Validated
23 Mar 2026
Comments close
28 Apr 2026
Target decision
18 May 2026
Decided
12 Jun 2026

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

Inside the two years most owners do their major work — kitchens, bathrooms, rewires and lofts. 2 recent sales are listed below.

Homes here go for about £1,950,000 — the median of the last 5 market sales in SW1W 9JB, £765,000 to £2,550,000.

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