6 Lyndhurst Road London NW3 5PX Data via plota.co.uk

2026/4259/P - Householder Application REGISTERED
Extensions & alterations

Proposal

Erection of two storey infill extension to flank elevation alterations to the lower-ground side entrance, enlargement of existing rear openings with new timber French doors at ground floor including installation of a new external staircase and balustrade at ground floor level, all to the rear elevation and associated external alterations. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
30 Sept 2026
✓
Validated
28 Oct 2026
Decision
Expected by 23 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 18 Dec 2026 and 9 Jan 2027, from Camden's recent extensions.

Comments are open until 28 Nov 2026

Comment on this application ↗

Documents

View the documents on the council's website ↗

Site constraints 6

Fitzjohns Netherhall conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
Fitzjohns/Netherhall Conservation Area Non-immediate Article 4 · Basements. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Camden AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
8 listed buildings within 150 m
Nearest: Numbers 19, 20 and 21 and Walls, Gate Piers and Former Lodge, Grade II, 50 m away · 1 Grade II*, 6 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 8 with distances
Historic England ↗
Also on the record
Inside the Camden built-up area; Public transport access: PTAL 4 (good), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 1 November 2026. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Building

Floor area335 m² (3,606 sq ft)
Energy ratingD (55 out of 100), could reach C
PropertySemi-detached maisonette, 9 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas, Boiler and underfloor heating, electric
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2023, the latest held for this property, matched to this application by its address. The building may have changed since. View the certificate

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Important details

Council
Camden
Application type
Householder Application
Postcode
NW3 5PX
Received
30 Sept 2026
Validated
28 Oct 2026
Ward
Hampstead Town
Case officer
Show
Applicant
Show
Agent
Connect Architecture

Decision outlook

Day 9 of the 56-day target. Camden usually decides extensions by day 59.

Day 950 days to the predicted decision (day 59)
48%decided within 8 weeks
94%approved
10%go to committee

Plota live figures for extensions decided by Camden in the last twelve months, from validation. Camden decision record →

Consultation & key dates

Comments by
28 Nov 2026

Historical activity at this location

26 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2017 Approved
FRONT GARDEN: 1 x Purple Leaf Plum - Reduce and reshape by 25% (1.5m)
2017/4141/T
Within ~100m

Nearby activity

2024 Approved
17 Lyndhurst Gardens London NW3 5NU
Variation of condition 2 (approved drawings) of 2023/0605/L granted 21/06/2023 (which ame…
2024/5064/L
2024 Approved
27 Lyndhurst Road London NW3 5PB
REAR GARDEN: 1 x Prunus (T1) - Prune back any branches overhanging neighbouring to bounda…
2024/5256/T
2024 Approved
24 Lyndhurst Road London NW3 5NX
(TPO REF: C1200 2018) ) FRONT GARDEN: 1 x Liquidambar (T1) - Selectively crown reduce hei…
2024/4521/T
2024 Approved
25 Lyndhurst Road London NW3 5NX
REAR GARDEN: Group of mixed trees (GRP1) - Cut back encroachment to boundary line (regrow…
2024/4569/T
2024 Approved
24 Lyndhurst Road London NW3 5NX
FRONT GARDEN: 1 x Magnolia (T2) - Crown reduce height and sides by 0.5m - 1m (regrowth)…
2024/4525/T
2024 Approved
The Cottage 10 Lyndhurst Road London NW3 5PX
Demolition of existing single dwelling house (Class C3) and redevelopment to provide a 3…
2024/0698/P
2024 Approved
28 Thurlow Road London NW3 5PP
FRONT GARDEN: 1 x Lime (T1) - Reduce crown down to 2m below previous cuts.
2024/3996/T
2024 Approved
Top Flat 14 Thurlow Road London NW3 5PL
Replacement of single glazed timber frame windows at 2nd and 3rd floor levels with double…
2024/3228/P
2024 Approved
27 Thurlow Road London NW3 5PP
Installation of sauna outbuilding, vehicular and pedestrian front metal gates, garden gat…
2024/3025/P
2024
23 Lyndhurst Road London NW3 5NX
REAR GARDEN: 1 x Sycamore (T1) - Fell to ground level.
2024/2686/T
2024 Approved
17 Lyndhurst Gardens London NW3 5NU
Details pursuant to condition 4 (brickwork) of listed building consent 2023/0084/L dated…
2024/0789/L
2024 Approved
17 Lyndhurst Gardens London NW3 5NU
Details pursuant to condition 4 (detailed drawings) of listed building consent 2022/5448/…
2024/0788/L
2023 Approved
20 Thurlow Road London NW3 5PP
Erection of single storey lower ground floor extension, creation of a terrace at upper gr…
2023/4981/P
2024 Approved
27 Thurlow Road London NW3 5PP
Alterations to fenestration and doors to provide replacement double glazed timber framed…
2024/0393/P
2024 Approved
23 Lyndhurst Road London NW3 5NX
DD 5 Day Notice REAR GARDEN: 1 x Horse Chestnut (T1) - Fell to ground level.
2024/1299/T
2024 Approved
23 Lyndhurst Road London NW3 5NX
REAR GARDEN: 1 x Sycamore (T1) - Pollard by 3m - 3.5m.
2024/0633/T
2023 Approved
17 Lyndhurst Gardens London NW3 5NU
Variation of condition 2 (approved drawings) of 2019/6305/L granted 29/09/2021 for intern…
2023/1424/L
2023 Approved
17 Lyndhurst Gardens London NW3 5NU
Detailed drawings and samples required by condition 4 of listed building consent ref. 201…
2023/3565/L
2023 Approved
17 Lyndhurst Gardens London NW3 5NU
Detailed drawings and samples required by condition 4 of listed building consent ref. 202…
2023/4249/L
2023 Approved
Flat Basement And Ground Floor 14 Thurlow Road London NW3 5PL
Enlargement of and alterations to an existing single storey rear extension at lower groun…
2023/2912/P
2016 Approved
27 Lyndhurst Road London NW3 5PB
REAR GARDEN: 1 x Ash (Fraxinus excelsior) T1 -self-set -fell to ground level and grind ou…
2016/6034/T
2016 Approved
Flat 2 4 Lyndhurst Road London NW3 5PX
REAR GARDEN: 1 x Ash - Reduce and reshape by approx 25% (1-1.5m)
2016/4649/T
2016 Approved
26 Thurlow Road London NW3 5PP
Conversion from 2 self-contained units into a single residential dwelling (C3), replaceme…
2016/3820/P
2016 Approved
20 Lyndhurst Road London NW3 5NX
REAR GARDEN: 3 x Lime - Crown reduce to most recent pruning points 1 x Bay - Reduce by 1m…
2016/2174/T
2016 Approved
22 Thurlow Road London NW3 5PP
Details of landscaping (Condition 5) pursuant to planning permission reference 2014/4264/…
2016/0325/P
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Householder decisions

Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Camden decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.