15 Lansdowne Road London N3 1ET

Pending 26/2047/HSE
Extensions & alterations
Council
Barnet 6.5/10
Date received
2 Jun 2026
Date validated
2 Jun 2026
Postcode
N3 1ET

Description

Single storey rear extension and extension to existing raised patio

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Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Refused
21 Finchley Way London N3 1AG
New front boundary wall with associated piers and railings
25/2534/HSE
2023 Approved
50 Lansdowne Road London N3 1ES
Single storey rear extension with 3no. skylights. Roof extension involving rear dormer wi…
23/3725/192
2023 Approved
10 Finchley Way London N3 1AG
Roof extension including hip to gable, rear dormer window with juliette balcony and 3no…
23/0240/192
2022 Approved
10 Lansdowne Road London N3 1ES
Roof extension involving rear dormer and 3no. front facing rooflights
22/6030/192
2022 Approved
28 Grosvenor Road London N3 1EX
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
22/5066/PNH
2022 With conditions
10 Lansdowne Road London N3 1ES
Single storey rear extension with new patio area following demolition of the existing sin…
22/3218/HSE
2022
30 Grosvenor Road London N3 1EX
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
22/4894/PNH
2022 Approved
26 Lansdowne Road London N3 1ES
Single storey rear extension with new patio area following removal of the existing conser…
22/1713/192
2021 Approved
12 Lansdowne Road London N3 1ES
Roof extension involving rear dormer window, juliette balcony and 3no front facing roofli…
21/6024/192
2021 Approved
26 Lansdowne Road London N3 1ES
Single storey rear extension with a proposed depth of 5.30 metres from original rear wall…
21/5680/PNH
2021 With conditions
12 Lansdowne Road London N3 1ES
Single storey rear extension following demolition of existing extension. Replacement of r…
21/4913/HSE
2021 Refused
26 Lansdowne Road London N3 1ES
Single storey rear extension with a proposed depth of 5.00 metres from original rear wall…
21/4754/PNH
2021 Approved
28 Lansdowne Road London N3 1ES
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
21/2825/192
2021 Approved
14 Finchley Way London N3 1AG
Alteration and extension to existing roof to include enlargement of existing rear dormer…
21/0821/192
2021 Approved
40 Lansdowne Road London N3 1ES
Roof extension involving partial hip to gable, rear dormer window and 2no front facing ro…
21/0172/192
2020 With conditions
40 Lansdowne Road London N3 1ES
New front porch
20/5266/HSE
2020 Refused
40 Lansdowne Road London N3 1ES
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights
20/5248/192
2020 Approved
40 Lansdowne Road London N3 1ES
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
20/5267/PNH
2020 Approved
21 Finchley Way London N3 1AG
Roof extension involving a hip to gable extension, rear dormer window extension and side…
20/0385/192
2019 With conditions
29 Lansdowne Road London N3 1ET
Single storey rear extension
19/4059/HSE
2016 With conditions
20 Finchley Way London N3 1AG
Single storey side extension following the demolition of the garage. Loft conversion invo…
16/1399/HSE
2016 Approved
34 Lansdowne Road London N3 1ES
Single storey rear extension. Rear dormer with Juliette balcony to facilitate loft conver…
16/1116/192
2016 Approved
32 Grosvenor Road London N3 1EX
Erection of new garage
16/1151/192
2016 With conditions
22A Lansdowne Road London N3 1ES
Single storey rear extension following the demolition of the existing rear conservatory…
16/0130/FUL
2016 Withdrawn
34 Lansdowne Road London N3 1ES
Single storey rear extension
16/0649/192
Barnet
Planning Authority Score
6.5/10
Good
#79 of 292 councils
Relevant to this application:
Householder decisions

Barnet is faster than most councils at deciding householder applications, ranking #32 out of 292. Only 23% of applications have the time limit extended, well below the 40% national average - the council usually decides on time. Barnet is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

One of the strictest councils
only 83% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Barnet decision performance
Based on MHCLG data, 2025
76%
Overall approval rate
Below avg (87%) #277 of 292
83%
Householder approved
Below avg (90%) #252 of 292
82%
Decided in 8 weeks
Above avg (64%) #32 of 292
23%
Extended time limit
Below avg (40%) #25 of 292
53%
Minor dwellings approved
323 decided (1-9 homes)
94%
Major dwellings approved
16 decided (10+ homes)
41%
Change of use approved
123 decided
2,539
Total decisions
599 refused in 2025
Source: MHCLG planning statistics · See full council rankings