Planning application
125 Arlington Road London NW1 7ET
Works: Extension
At appeal, which passes the decision to the national inspectorate. Anyone who commented before is normally able to comment again.
Proposal
Internal and external alteration including excavation for a full width basement extension, part-width ground floor extension with terrace to the flank (north) elevation, replacement of front steps to basement, and opening up of existing basement entrance.
As published by the council, reference 2019/1892/L
Application record
- Reference
- 2019/1892/L
- Category
- Heritage and listed buildings
- Status
- Appeal Decided
- Postcode
- NW1 7ET
Site history
Applications at this address on the Camden register
This site has had 3 applications.
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2025/3414/T Awaiting decision
125 Arlington Road London NW1 7ET
DD 5 Day Notice REAR GARDEN: 1 x Walnut( T1) - Remove dangerous damaged limb and make safe (see photos).
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2019/1417/P At appeal
125 Arlington Road London NW1 7ET
Excavation for a full width basement extension, part-width ground floor extension, installation of screen plannters for a terrace at ground floor level, including replacement of front steps to basement, and opening up of existing basement entrance, new hard and soft landscaping arrangement to the rear elevation.
Timeline
Dates from the published record
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22 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
The statutory target is eight weeks for most applications and thirteen for major development. Extensions of time are common.
Camden took a median of 42 days over the applications it decided in the last year.
What happens at appeal
This application is at appeal, which passes the decision from Camden to the planning inspectorate, and the outcome will replace the council's decision. 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
-
125 Arlington Road London NW1 7ET
91% historically approved
Excavation for a full width basement extension, part-width ground floor extension, installation of screen plannters for a terrace at ground floor level, including replacement of front steps to basement, and opening up of existing basement entrance, new hard and soft landscaping arrangement to the rear elevation.
At appeal Full applications Extension -
127 Arlington Road London NW1 7ET
REAR GARDEN: 1 x Purple Plum - Fell 1 x Sycamore - Fell 1 x Walnut - Reduce upper crown branches on southern side by 1.5m
Granted Trees -
127 Arlington Road London NW1 7ET
Replacement of sash windows and door with double glazed sash windows and door to the front basement and replacement of rear French doors with double glazed doors.
Granted Heritage and listed buildings Windows or glazing 2 docs -
127 Arlington Road London NW1 7ET
Replacement of sash windows and door with double glazed sash windows and door to the front basement and replacement of rear French doors with double glazed doors.
Granted Full applications Windows or glazing 18 docs -
127 Arlington Road London NW1 7ET
REAR GARDEN: 1 x Walnut (T1) - Reduce crown height by approx. 2.2m. Reduce lateral and sub lateral crown spread on the southern section of the crown overhanging and growing towards No.127 by up to approx. 3.5m - 4m, pruning back to suitable growth points. Reduce overlong branches in the remaining crown, back into the main crown structure, up to approx. 1.2m - 1.5m. Thin crown density by 15%.
Granted Trees 2 docs -
Upper Flat 123 Arlington Road London NW1 7ET
Erection of mansard roof level to existing flat.
Withdrawn Full applications Loft or dormer
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.
-
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.