Planning application
Chatham House 90 Heath Street London NW3 1DP
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Works in association with erection of single conservatory extension at rear lower ground floor level; alterations to side elevation rear, window at ground floor level to be relocated into new opening to rear elevation, and installation of two rooflights to rear slope roof of dwelling house (Class C3).
As published by the council, reference 2010/2894/L
Application record
- Reference
- 2010/2894/L
- Category
- Heritage and listed buildings
- Status
- Final Decision
- Decision
- Granted
- Decided
- 23 Sep 2010
- Postcode
- NW3 1DP
Site history
Applications at this address on the Camden register
This site has had 5 applications since 2010: 5 approved, 0 refused.
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2016/6118/L Granted
Chatham House 90 Heath Street London NW3 1DP
Discharge of condition 4 (detailed drawings and samples as appropriate) granted under reference 2016/2478/l dated 05/07/16 for replacement rear conservatory, insertion of first floor rear sash window, insertion x 2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal affecting a Grade II Listed Building.
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2016/2238/P Granted
Chatham House 90 Heath Street London NW3 1DP
Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replace rear timber sash windows and replace the front lightwell timber staircase with a metal stair case.
-
2016/2478/L Granted
Chatham House 90 Heath Street London NW3 1DP
Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal.
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2010/2881/P Granted
Chatham House 90 Heath Street London NW3 1DP
Erection of single storey conservatory extension at rear lower ground floor level; alterations to side elevation rear, new rooflights to rear roofslope of dwelling house (Class C3).
Timeline
Dates from the published record
-
23 Sep 2010
Decision issued: Granted
-
22 Jul 2026
Added to PlanIndex
What this grant of permission means
Camden granted permission on 23 September 2010, 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 heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
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Chatham House 90 Heath Street London NW3 1DP
Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replace rear timber sash windows and replace the front lightwell timber staircase with a metal stair case.
Granted Full applications Extension Loft or dormer +1 -
Chatham House 90 Heath Street London NW3 1DP
Discharge of condition 4 (detailed drawings and samples as appropriate) granted under reference 2016/2478/l dated 05/07/16 for replacement rear conservatory, insertion of first floor rear sash window, insertion x 2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal affecting a Grade II Listed Building.
Granted Heritage and listed buildings Extension Loft or dormer +1 -
90 Chatham House Heath Street London NW3 1DP
Internal alteration to include the creation of an opening between underground center and north vault at front of dwelling (Class C3).
Granted Heritage and listed buildingsDomestic -
Chatham House 90 Heath Street London NW3 1DP
Erection of single storey conservatory extension at rear lower ground floor level; alterations to side elevation rear, new rooflights to rear roofslope of dwelling house (Class C3).
Granted Full applications Extension Loft or dormerSmall domestic -
Chatham House 90 Heath Street London NW3 1DP
Replacement rear conservatory, insertion of first floor rear sash window, insertion x2 rear roof lights, replacement timber sash window on rear closet wing, enlargement of openings to lower ground floor internal walls; spiral stair case to loft space; reinstatement of window joinery and bricking of side facing windows on rear elevation and replace the front lightwell timber staircase with metal.
Granted Heritage and listed buildings Extension Loft or dormer +1 -
90 Chatham House Heath Street London NW3 1DP
Internal and external works in association with erection of lower ground and ground floor extensions to rear, two heritage / conservation rooflights to rear roofslope to existing dwelling house (Class C3).
Withdrawn Heritage and listed buildings Extension Loft or dormerDomestic
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-
2026/3087/L Granted
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-
2026/4003/L Awaiting decision
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2026/4002/L Awaiting decision
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Internal refurbishment including replacement of non-original kitchen and bathroom fittings, repair and refinishing of original internal timber joinery, replacement of floor finishes and internal redecoration.
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2026/3990/L Awaiting decision
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