Planning application
4 Hampstead Square London NW3 1AB
Works: Extension
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Erection of conservatory to front elevation.
As published by the council, reference 2026/2202/L
Application record
- Reference
- 2026/2202/L
- Type
- Listed Building Consent
- Status
- Registered
- Received
- 27 May 2026
- Validated
- 29 May 2026
- Ward
- Hampstead Town
- Postcode
- NW3 1AB
Site history
Applications at this address on the Camden register
This site has had 19 applications since 2011: 11 approved, 0 refused.
-
2026/2145/P Awaiting decision
4 Hampstead Square London NW3 1AB
Erection of conservatory to front elevation.
-
2015/3623/P Granted
4 Hampstead Square London NW3 1AB
Installation of timber bin store and trellis in front garden. [Retrospective]
-
2015/3931/L Granted
4 Hampstead Square London NW3 1AB
Installation of timber bin store and trellis in front garden. [Retrospective]
-
2014/2386/P Granted
4 Hampstead Square London NW3 1AB
Details of appointed chartered engineer/hydro-geologist and appointee's responsibilities in relation to condition 5 of planning permission (2012/3815/P) dated 13/11/2012 for excavation works to provide new basement level.
-
2013/5661/L Granted
4 Hampstead Square London NW3 1AB
Alteration to rooflights in patio and path, alter extent of underground works to accommodate discovery of well and external pump for foul drainage, and excavation for new external fire escape to the west as amendment to Listed Building Consent (ref: 2012/3501/L).
-
2013/4818/P Granted
4 Hampstead Square London NW3 1AB
Variation to condition 2 (development built in accordance with approved plans) of planning permission 2012/3815/P dated 13/11/2012 (for excavation works to provide new basement level, including ground floor rooflights to garden and covered lightwell), namely to increase size of basement, relocate rooflights in patio and excavation for new external fire escape.
-
2013/5649/P Granted
4 Hampstead Square London NW3 1AB
Details pursuant to condition 3 (rooflight) following planning permission granted (13/11/2012) (ref: 2013/3815/P) for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3).
-
2013/6013/L Granted
4 Hampstead Square London NW3 1AB
Replacement of glazed roof to existing porch with a slate roof.
-
2013/1779/P Granted
4 Hampstead Square London NW3 1AB
Details required by condition 4(b) (tree protection measures) of planning permission 2012/3815/P dated 13/11/2012 for excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)
-
2012/6591/P Granted
4 Hampstead Square London NW3 1AB
Details of tree protection pursuant to condition 4(a) of planning permission granted on 13/11/2012 (ref: 2012/3815/P for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)).
Timeline
Dates from the published record
-
27 May 2026
Received by Camden
-
29 May 2026
Validated
Checked as complete and ready for consideration.
-
24 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 24 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Camden took a median of 42 days over the applications it decided in the last year.
Documents
Plans, drawings, consultee responses and the officer's report
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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat happens while it is decided
This application is with Camden for determination, against a statutory target of eight weeks. Over the last year Camden decided heritage and listed building applications in a median of 55 days. More in our guide to how long planning decisions take.
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
-
4 HAMPSTEAD SQUARE LONDON NW3 1AB
Alterations in association with proposed basement.
Withdrawn Heritage and listed buildings -
4 HAMPSTEAD SQUARE LONDON NW3 1AB
Extension and excavation to provide new basement level, including installation of 3 lightwells to dwelling house (Class C3).
Withdrawn Full applications ExtensionDomestic -
4 Hampstead Square London NW3 1AB
Erection of an enclosure to existing roof terrace at second floor level to dwelling (Class C3).
Withdrawn Heritage and listed buildingsDomestic -
4 Hampstead Square London NW3 1AB
Alteration to rooflights in patio and path, alter extent of underground works to accommodate discovery of well and external pump for foul drainage, and excavation for new external fire escape to the west as amendment to Listed Building Consent (ref: 2012/3501/L).
Granted Heritage and listed buildings Loft or dormer -
4 Hampstead Square London NW3 1AB
Details of tree protection pursuant to condition 4(a) of planning permission granted on 13/11/2012 (ref: 2012/3815/P for the excavation works to provide new basement level, including installation of ground floor rooflights to garden and covered lightwell to dwelling house (Class C3)).
Granted Full applications Loft or dormer TreesDomestic -
4 Hampstead Square London NW3 1AB
88% historically approved · decision due ~24 Jul
Erection of conservatory to front elevation.
Awaiting decision Householder Extension 11 docsSmall domestic
Other heritage and listed building applications
In Camden
-
2026/3449/L Awaiting decision
Alexandra & Ainsworth TRA Hall 100 Rowley Way London NW8 0SW
Reconstuction of roof loggia and roof lantern drainage channel pursuant to planning permission ref 2023/3413/P and listed building consent ref 2023/4012/L granted on 18/12/2024, for various works of roof repair and replacement.
-
2026/3087/L Granted
205 Albany Street London NW1 4AB
Installation of a free standing air source heat pump in the rear courtyard. Installation of an innovative, thin and flexible PV panels to the flat section of the roof
-
2026/4003/L Awaiting decision
10 Sicilian Avenue London Camden WC1A 2QH
Internal alterations to ground floor and basement level, including new partitions and mechanical ventillation.
-
2026/4002/L Awaiting decision
Flat A 4 Rowley Way London NW8 0SF
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.
-
2026/3990/L Awaiting decision
Unison Centre 130 Euston Road London Camden NW1 2AY
Repair and refurbishment works.