49 Haslemere Avenue Barnet EN4 8EU Data via plota.co.uk

26/1532/HSE - Householder Application Approved
Extensions & alterations

Proposal

Single storey rear extension following demolition of the existing lean-to. New front porch Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
24 Apr 2026
✓
Consultation
30 Apr 2026
✓
Approved
26 Jun 2026

Approved on 26 Jun 2026 · Delegated Decision · Last checked 6 Jul 2026

Documents 8

Decision & officer reports 1

PDF DN: APPROVE HSE WITH CONDS Decision Notice · 26 Jun 2026 View ↗

Plans & drawings 4

PDF PROPOSED PLANS AND ELEVATIONS Revised Drawing · 26 Jun 2026 View ↗ PDF EXISTING DRAWINGS Revised Drawing · 26 Jun 2026 View ↗ PDF THE LOCATION PLAN Site Location Plan · 23 Apr 2026 View ↗ PDF BLOCK PLAN OF THE SITE Block plan · 23 Apr 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 23 Apr 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 23 Apr 2026 View ↗

Other documents 1

PDF SITE NOTICE Photo · 21 May 2026 View ↗

All documents on the council site ↗

Other new applications on this street

32 Haslemere Avenue Barnet EN4 8EZ

Roof extension involving hip to gable, rear dormer window, 3no. front facing roo...

26/2512/192 - 3 Jul 2026

46 Haslemere Avenue Barnet EN4 8EZ

Single storey rear extension with extended raised patio area with glass balustra...

26/1165/HSE - 26 Mar 2026

Nearby new applications

32 Haslemere Avenue Barnet EN4 8EZ

Roof extension involving hip to gable, rear dormer window, 3no. front facing roo...

26/2512/192 - 3 Jul 2026

3 Oakleigh Park South London N20 9JS

Non material amendment to planning permission 26/1023/HSE dated 11/05/2026 for '...

26/2417/NMA - 25 Jun 2026

104A Russell Lane London N20 0AS

Single storey rear extension

26/2411/FUL - 25 Jun 2026

44B Oakleigh Park South London N20 9JN

Part single, part two storey rear extension including 2no, lantern rooflights to...

26/2317/HSE - 18 Jun 2026

54 Derwent Avenue Barnet EN4 8LZ

Roof extension involving rear dormer window with juliette balcony

26/2191/192 - 12 Jun 2026

65 Oakleigh Avenue London N20 9JG

Erection of a rear outbuilding

26/2186/192 - 11 Jun 2026

Important details

Council
Barnet
Application type
Householder Application
Postcode
EN4 8EU
Received
24 Apr 2026
Validated
24 Apr 2026
Ward
Brunswick Park
Case officer
Track to view
Target decision
19 Jun 2026
Decision
Approve subject to conditions
Decision date
26 Jun 2026
Decision level
Delegated Decision
Applicant
Track to view
Agent
Clark Designs Ltd

Consultation & key dates

Alt. reference
PP-14870926
Site notice
30 Apr 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2024 Approved
54 Haslemere Avenue Barnet EN4 8EU
Single storey rear extension with 5no. rooflights with raised patio area and access steps
24/4557/HSE
2024 Approved
42 Gallants Farm Road Barnet EN4 8ES
Single storey side and rear extension with 4no rooflights, following demolition of the ex…
24/2138/HSE
2023 Approved
50 Haslemere Avenue Barnet EN4 8EZ
Single storey rear extension with 2no. rooflights and linking into existing side extensio…
23/5177/HSE
2023 Approved
50 Haslemere Avenue Barnet EN4 8EZ
Roof extension involving hip to gable, rear dormer with juliette balcony and 3no. front f…
23/4966/192
2022 Refused
28 Gallants Farm Road Barnet EN4 8ET
Part single, part two storey side and rear extension with new decking area following demo…
22/0784/HSE
2021 Approved
39 Haslemere Avenue Barnet EN4 8EY
Single storey side and rear extension. New front access steps.
21/2231/HSE
2021 Approved
40 Gallants Farm Road Barnet EN4 8ES
Single storey rear and two storey side extension
21/1828/HSE
2021 Approved
39 Haslemere Avenue Barnet EN4 8EY
Roof extension involving hip to gable, rear dormer window and 2no front facing rooflights
21/2220/192
2021 Approved
81 Derwent Avenue Barnet EN4 8LY
Single storey side rear extension following demolition of the existing garage, utility ro…
21/0229/HSE
2020 Approved
82 Derwent Avenue Barnet EN4 8LZ
Single storey rear extension and rear patio, and demolition of existing rear garage
20/2773/HSE
2020 Approved
82 Derwent Avenue Barnet EN4 8LZ
Roof extension involving rear dormer windows, juliette balcony and 2no front facing roofl…
20/2498/192
2020 Refused
27 Haslemere Avenue Barnet EN4 8EY
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no fron…
20/1807/192
2020 Approved
81 Derwent Avenue Barnet EN4 8LY
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall…
20/1419/PNH
2019 Approved
65 Derwent Avenue Barnet EN4 8LY
Conversion of existing garage into habitable room, insertion of window to replace the exi…
19/5366/HSE
2019 Approved
76 Derwent Avenue Barnet EN4 8LZ
Single storey rear extension
19/5306/HSE
2019 Approved
81 Derwent Avenue Barnet EN4 8LY
Roof extension involving hip to gable, rear dormer window and 2no front facing rooflights
19/6048/192
2019 Approved
65 Derwent Avenue Barnet EN4 8LY
Erection of a rear outbuilding
19/5365/192
2019 Withdrawn
56 Haslemere Avenue Barnet EN4 8EU
Roof extension involving hip to gable, rear dormer window
19/3307/HSE
2019 Approved
56 Haslemere Avenue Barnet EN4 8EU
Single storey rear extension with new decking area and access steps
19/1481/HSE
2019 Approved
64 Haslemere Avenue Barnet EN4 8EU
Continued use of a detached outbuilding in rear garden being used as a cat hotel (Sui gen…
19/0686/FUL
2017 Approved
110 Derwent Avenue Barnet EN4 8LZ
Single storey rear extension
17/0646/192
2016 Approved
64 Haslemere Avenue Barnet EN4 8EU
Erection of a detached outbuilding in rear garden to be used as a cat hotel (Sui generis)
16/5099/FUL
2016 Refused
38 Gallants Farm Road Barnet EN4 8ES
Roof extension involving rear dormer window and new window to side elevation to facilitat…
16/7235/192
2016 Approved
80 Derwent Avenue Barnet EN4 8LZ
Single storey rear extension with a proposed maximum depth of 4 metres from original rear…
16/5146/PNH
2016 Approved
80 Derwent Avenue Barnet EN4 8LZ
Roof extension involving a rear dormer and 2 additional rooflights to the front elevation…
16/5081/192
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