63 Sefton Avenue London NW7 3QE Data via plota.co.uk

26/2326/PNH - Prior Notification (Householder) Pending Consideration
Extensions & alterations

Proposal

Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 4.00 metres and eaves height of 2.50 metres. Data via plota.co.uk

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Application progress

✓
Received
19 Jun 2026
✓
Consultation
19 Jun 2026
Decision
Awaiting decision

This application is under consideration - no decision has been issued yet. Comments are open until 12 Jul 2026.

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Documents 11

Plans & drawings 10

PDF EXISTING BLOCK AND LOCATION PLAN Site Location Plan · 19 Jun 2026 View ↗ PDF EXISTING GROUND FLOOR PLAN Drawing · 19 Jun 2026 View ↗ PDF EXISTING ROOF PLAN Drawing · 19 Jun 2026 View ↗ PDF EXISTING ELEVATIONS Drawing · 19 Jun 2026 View ↗ PDF EXISTING SECTIONS Drawing · 19 Jun 2026 View ↗ PDF PROPOSED BLOCK PLAN Block plan · 19 Jun 2026 View ↗ PDF PROPOSED GROUND FLOOR Drawing · 19 Jun 2026 View ↗ PDF PROPOSED ROOF PLAN Drawing · 19 Jun 2026 View ↗ PDF PROPOSED ELEVATIONS Drawing · 19 Jun 2026 View ↗ PDF PROPOSED SECTIONS Drawing · 19 Jun 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 19 Jun 2026 View ↗

All documents on the council site ↗

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Important details

Council
Barnet
Application type
Prior Notification (Householder)
Postcode
NW7 3QE
Received
19 Jun 2026
Validated
19 Jun 2026
Ward
Edgware
Case officer
Track to view
Target decision
31 Jul 2026
Applicant
Track to view
Agent
JPB Architects

Consultation & key dates

Alt. reference
PP-15023506
Neighbours
19 Jun 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Refused
29 Sefton Avenue London NW7 3QB
Roof extension involving removal of the existing side and rear dormer window and new hip…
25/5133/192
2025 Approved
31 Sefton Avenue London NW7 3QB
First floor side extension. Roof extension involving hip to gable, rear dormer with glass…
25/3239/HSE
2025 Approved
50 Sefton Avenue London NW7 3QD
Roof extension involving hip to gable with rear dormer window, juliette balcony, 3no. fro…
25/3283/192
2024 Approved
34 Sefton Avenue London NW7 3QD
Roof extension involving hip to gable and rear dormer window with juliette balcony and 1n…
24/2189/192
2023 Approved
30 Delamere Gardens London NW7 3EB
Roof extension involving rear dormer with juliette balcony and 3no. front facing roofligh…
23/1829/192
2022 Approved
55 Sefton Avenue London NW7 3QE
Installation of solar panels to South (side) and East (rear) facing roof slopes (Amended)
22/5619/192
2022 Approved
49 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer extension, 3no front facing rooflights…
22/3585/192
2022 Approved
43 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights an…
22/1911/192
2022 Approved
45 Sefton Avenue London NW7 3QE
single storey rear extension with a depth of 4.50 metres beyond the original rear wall, a…
22/0906/PNH
2022 Refused
45 Sefton Avenue London NW7 3QE
single storey rear extension measuring 4.50 metres beyond the original rear wall, a maxim…
22/0141/PNH
2022 Approved
45 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights. E…
22/0167/192
2021 Approved
30 Sefton Avenue London NW7 3QD
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights an…
21/3039/192
2021 Approved
59 Sefton Avenue London NW7 3QE
Single storey rear extension
21/0499/HSE
2020 Refused
59 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 4.00 metres from original rear wall…
20/2429/PNH
2020 Approved
55 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 4.00 metres from original rear wall…
20/1723/PNH
2020 Approved
31 Sefton Avenue London NW7 3QB
Single storey side infill extension and alteration to existing access steps (AMENDED DESC…
20/0293/HSE
2020 Approved
32A Sefton Avenue London NW7 3QD
Roof extension, including, 1no. rear and 1no. side dormers, and 2no. rooflights to front…
20/0011/FUL
2019 Refused
59 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 5.00 metres from original rear wall…
19/6228/PNH
2018 Approved
62 Sefton Avenue London NW7 3QD
Single storey rear extension following demolition of existing conservatory
18/3631/HSE
2018 Approved
37 Sefton Avenue London NW7 3QE
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
18/2174/PNH
2016 Approved
12 Delamere Gardens London NW7 3EB
Single storey side/rear extension. Single storey front extension
16/2378/HSE
2016 Approved
33 Sefton Avenue London NW7 3QE
Roof extension involving hip to gable, rear dormer window with 2no. rooflights to front e…
16/2491/192
2016 Approved
12 Delamere Gardens London NW7 3EB
Single storey side/rear extension
16/0947/HSE
2016 Withdrawn
42A Sefton Avenue London NW7 3QD
Roof extension involving hip to gable and 1no. rear dormer
16/1455/192
2016 Refused
51 Sefton Avenue London NW7 3QE
Extensions to roof involving hip to gable end, and rear dormer window
16/0518/HSE
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