Planning application
49 Markham Street, London, SW3 3NR
Works: Extension Windows or glazing
Relates to PP/25/04956
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Details required by Condition 7 (Code of Construction Practice) and Condition 8 (Sustainable Drainage Systems (SuDS) Strategy) of Planning Permission PP/25/04956 (Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation)
As published by the council, reference CON/26/00599
Application record
- Reference
- CON/26/00599
- Type
- Discharge of Conditions
- Status
- Decided
- Decision
- Discharge of Conditions - Grant
- Received
- 18 Dec 2025
- Decided
- 21 May 2026
- Ward
- Stanley
- Parish
- 18
- Postcode
- SW3 3NR
Site history
Applications at this address on the Kensington and Chelsea register
This site has had 3 applications since 2025: 3 approved, 0 refused.
-
PP/25/05189 Granted
49 Markham Street, London, SW3 3NR
Adaptation and extension of rear canted bay into orthogonal bay, second floor infill extension.
-
PP/25/04956 Granted
49 Markham Street, London, SW3 3NR
Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation
Timeline
Dates from the published record
-
18 Dec 2025
Received by Kensington and Chelsea
-
21 May 2026
Decision issued: Discharge of Conditions - Grant
-
20 Jul 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
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PP/25/04956 Granted
49 Markham Street, London, SW3 3NR
Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation
Documents
Plans, drawings, consultee responses and the officer's report
10 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
Trade members open them from here.
Open the documentsWhat this grant of permission means
Kensington and Chelsea granted permission on 21 May 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.
About condition discharge and variation applications
This application deals with conditions on an existing permission, supplying the details a condition requires or asking to vary or remove one, without reopening the permission itself. More in our guide to planning application types.
Nearby applications
Within 500 metres
-
36 Markham Street, London, SW3 3NR
Widening of the front entrance steps, installation of ASHP on the roof, installation of rainwater harvesting pipe to RWH tank (pipe to match existing), revised rooflight to access main roof (reduced from previously approved rooflight), addition of a safety handrail on rear facade parapet, following insertion of an additional window at GF level on rear facade to approved courtyard in relation to approved application PP/24/03555.
Withdrawn Full applications Loft or dormer Windows or glazing 20 docs -
40 Markham Street, London, SW3 3NR
Lowering and extension of lower ground floor, demolition and rebuilding of rear ground and first floor extension with additional side infill and rooflight, replacement first floor terrace, remodelling rear mansard in stock brickwork with dormer windows, provision of air conditioning unit at roof level and new double glazed windows
Granted Full applications Extension Loft or dormer +2 52 docs -
50 Markham Street, London, SW3 3NR
Replace full width glazed sliding doors, windows and terrace to front of property with tiled mansard roof with two dormers; refurbishment and upgrade to front area and front elevation; replacement of all existing windows with double glazed, timber framed windows; lowering raised rear roof level; replacement rear glazed bay window with solid brick wall, with typical timber sash windows; alterations to rear addition, including replacement uPVC windows with timber sash windows; enlargement of existing lower ground floor and lowering garden to meet this level.
Granted Full applications Loft or dormer Windows or glazing 35 docs -
49 Markham Street, London, SW3 3NR
Partial side return extension at lower ground floor; alterations to rear existing opening to form double glazed French doors; installation of metal balustrades to new rear upper ground floor terrace; lowering of the existing lower ground floor to improve internal headroom; and widening of the lower ground floor window to front elevation
Granted Full applications Extension Windows or glazing 22 docs -
49 Markham Street, London, SW3 3NR
Adaptation and extension of rear canted bay into orthogonal bay, second floor infill extension.
Granted Full applications Extension 22 docs -
9 Markham Street, London, SW3 3NP
Details required by condition 6 (SuDS) of planning permission 21/00891 (Construction of rear lower ground floor extension, first floor rear closet extension and second floor mansard roof; alteration to fenestration at rear, upgrading windows at front using double glazed units to match existing and lowering of the first floor front elevation windows' sill levels)
Granted Conditions Extension Loft or dormer +1 7 docs
Other condition discharge and variation applications
In Kensington and Chelsea
-
CON/26/03046 Granted
15 Launceston Place, London, W8 5RL
Details required by condition 3 (Submission of details - (a) Elevations and sections depicting form of awning and enclosure, inclusive of means of fixing, and colour and pattern of awning fabric. b) 1:10 elevations and sections of windows demonstrating arrangement, glazing thickness, material, glazing bars, with glazing bars to be integral and true.) of listed building consent 26/01556 (eplacement and enlargement of rear roof dormer and replacement of windows. Removal of front facade drainage downpipe. Installation of surface mounted traditional awnings over rear offshoot 1st floor windows.)
-
CON/26/03047 Withdrawn
2 Sloane Gardens, London, SW1W 8DL
Details required by condition 3 (Submission of details - (a) details of the waterproofing to the vaults) of listed building consent 25/05745 (Alterations to shopfront including lowering of windows, reinstatement of original entrance doors and fanlight and associated works; internal alterations, including restoration of historic features, removal of non-original partitions, revised ceiling arrangement; and reconfiguration of basement for back-of-house use with retention of historic masonry wall.).
-
CON/26/02710 Granted
21 Holland Villas Road, London, W14 8DH
DOCUMENTS AND DRAWINGS ARE NOT AVAILABLE ELECTRONICALLY FOR THIS APPLICATION. PLEASE CALL THE CASE OFFICER. Details required by Condition 3b (submission of details) Details of the framing and glazing of the conservatory rooflight at upper ground floor level and the windows and doors to rear lower ground floor level) of planning permission PP/16/01994 (Creation of basement below lower ground floor level; construction of three storey rear extension, single storey side extensions, dormers to top floor and internal alterations)
-
CON/26/03104 Granted
3 Earls Terrace, London, W8 6LP
Details required by Condition 3d (York Stone Sample) of listed building consent 24/08271 (Reinstatement of missing fireplaces and original room proportions. Installation of double glazed timber frame windows and doors on front and rear facades. Removal of lightings systems and recessed speakers.)
-
CON/26/03015 Granted
30-33 Sloane Street, 49 Pavilion Road, 2-4 Hans Crescent and Garages to rear of Marland House, London, SW1X 9NE
Details required by Condition 16 (Thames Water - works) of planning permission 22/06706 (Partial demolition of 30-33 Sloane Street, retention of fa?ade and erection of a 5-storey building of Class E (commercial, business and service) including installation of shopfronts. Total demolition of no.2 Hans Crescent and erection of replacement building to provide Class E floorspace including a rooftop terrace. Reconfiguration and extension of ground floor of no. 49 Pavillion Road to re-provide Class E floorspace, including service corridor. Provision of substation in basement of no. 4 Hans Crescent. Provision of cycle storage and facilities, waste storage, plant, landscaping, photovoltaic panels, and other ancillary works (Major Application).