Planning application
16 -17 Warren Street London W1T 5LP
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Internal and external works associated with the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create 1 x 2 bed and 1 x 1 bed maisonettes (Use Class C3).
As published by the council, reference 2012/0129/L
Application record
- Reference
- 2012/0129/L
- Category
- Heritage and listed buildings
- Status
- Final Decision
- Decision
- Granted
- Decided
- 5 Jul 2012
- Postcode
- W1T 5LP
Site history
Applications at this address on the Camden register
This site has had 5 applications since 2011: 5 approved, 0 refused.
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2011/0560/L Granted
16 -17 Warren Street London W1T 5LP
Amendment to listed building consent 2008/3788/L comprising removal of a dormer at rear elevation and internal alterations.
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2012/0127/P Granted
16 -17 Warren Street London W1T 5LP
Amendments to planning permission ref: 2008/3765/P (as amended by 2011/0559/P granted 12/01/2012) for the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create one self-contained 2 bedroom mainsonnette at 3rd and 4th floor level, namely to install 2 x roof lights on mansard and to subdivide the 2 bed maisonette into 1 x 2 bed and 1 x 1bed maisonettes (Use Class C3).
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2011/0559/P Granted
16 -17 Warren Street London W1T 5LP
Amendments to planning permission ref: 2008/3765/P dated 23/07/2009 comprising removal of a dormer window at rear elevation.
-
2010/6843/L Granted
16 -17 Warren Street London W1T 5LP
Submission of details of new doors, architraves, stairs and handrails on the third floor pursuant to conditions 3(a) and (b) of Listed Building Consent dated 04/11/2008 (ref: 2008/3788/L) for (alterations and extensions including erection of a mansard roof extension with front and rear dormer windows and a roof terrace to create one self-contained two bedroom flat).
Timeline
Dates from the published record
-
5 Jul 2012
Decision issued: Granted
-
22 Jul 2026
Added to PlanIndex
What this grant of permission means
Camden granted permission on 5 July 2012, 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 500 metres
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16 -17 Warren Street London W1T 5LP
Submission of details of new doors, architraves, stairs and handrails on the third floor pursuant to conditions 3(a) and (b) of Listed Building Consent dated 04/11/2008 (ref: 2008/3788/L) for (alterations and extensions including erection of a mansard roof extension with front and rear dormer windows and a roof terrace to create one self-contained two bedroom flat).
Granted Heritage and listed buildings Extension Loft or dormer +1 -
16 -17 Warren Street London W1T 5LP
Amendments to planning permission ref: 2008/3765/P (as amended by 2011/0559/P granted 12/01/2012) for the erection of a mansard roof extension with front dormer windows and two rear roof terraces to create one self-contained 2 bedroom mainsonnette at 3rd and 4th floor level, namely to install 2 x roof lights on mansard and to subdivide the 2 bed maisonette into 1 x 2 bed and 1 x 1bed maisonettes (Use Class C3).
Granted Full applications Extension Loft or dormer +1 -
16 -17 Warren Street London W1T 5LP
Amendments to planning permission ref: 2008/3765/P dated 23/07/2009 comprising removal of a dormer window at rear elevation.
Granted Full applications Loft or dormer Windows or glazing -
16 -17 Warren Street London W1T 5LP
Amendment to listed building consent 2008/3788/L comprising removal of a dormer at rear elevation and internal alterations.
Granted Heritage and listed buildings Loft or dormer -
Offices And Premises At 1st Floor 161 Whitfield Street London W1T 5ET
91% historically approved
Change of use of first floor from office (Class E) to 1 bed flat (Class C3).
Awaiting decision Full applications -
15A Warren Street London W1T 5LN
Installation of georgian style shop front and sash window to front elevation of ground floor shop (Class A1)
Withdrawn Heritage and listed buildings Windows or glazing
Other heritage and listed building applications
In Camden
-
2026/3851/L Awaiting decision
10 Chalcot Crescent London NW1 8YD
Variation of condition 2 (drawings) to listed building consent 2025/4952/L dated 16/01/2026 for 'Erection of a lower ground floor rear extension and internal alterations' for the removal of the existing non-original loft hatch and roof hatch above, and the installation of an automatic opening vent (AOV) rooflight.
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2026/3864/L Awaiting decision
88 Frognal London Camden NW3 6XB
Discharge of condition 4 (c) Samples and/or manufacturer's details of new facing materials for the extension and rebuilt garage. d) Details of the new roofing materials, rooflight, and slate vents) of 2025/3436/L (External works comprising demolition of existing conservatory and erection of single-storey ground floor extension; demolition of existing garage and erection of replacement garage; alterations and repairs to roof; repair and minor alterations to building facade; provision of new hard and soft landscaping. Interior works comprising general remodelling works; minor changes to planform and openings; installation of new mechanical and electrical services throughout)
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2026/2714/L Granted
4 Basement Flat Lyme Street London Camden NW1 0EH
Repairs to front entrance landing and stairs to raised ground floor entrance, addition of ACO drains, replacement of non-breathable paint/render on semi-basement front wall, repairs to bathroom and improvement to ventilation and repair of front boundary wall.
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2026/2034/L Granted
15 Chalcot Square London NW1 8YA
Details pursuant to Condition 4(a) (joinery) and 4(b) (terrace railings and external staircase) of Listed Building Consent 2025/2372/L, dated 29/09/2025, for the "Single storey rear extension and associated internal alterations. Enlargement of upper ground floor terrace."
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2026/2333/L Granted
Flat A 26 Eton Avenue London NW3 3HL
Replacement and alterations to front boundary treatment including new brick piers, installation of a centralised pedestrian gate and timber vehicular gates.