120 Hillside Gardens Barnet EN5 2NL Data via plota.co.uk

26/1762/192 - Proposed Lawful Development Certificate Approved
Extensions & alterations

Proposal

Roof extension involving hip to gable with rear dormer, juliette balcony, 3no. front facing rooflights, new side gable window following the demolition of the existing rear and side dormers. Conversion of garage into habitable room, insertion of window to replace existing front garage door… Data via plota.co.uk

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View original council record ↗

Application progress

✓
Received
11 May 2026
✓
Validated
12 May 2026
✓
Approved
24 Jun 2026

Approved on 24 Jun 2026 · Delegated Decision · Last checked 6 Jul 2026

Documents 3

Decision & officer reports 1

PDF DN: LAWFUL 192 Decision Notice · 24 Jun 2026 View ↗

Plans & drawings 1

PDF EXISTING/PROPOSED Drawing · 19 Jun 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 11 May 2026 View ↗

All documents on the council site ↗

Other new applications on this street

87 Hillside Gardens Barnet EN5 2NH

Conversion of the existing garage into habitable room, insertion of window to re...

26/1558/HSE - 27 Apr 2026

Nearby new applications

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New front hardstanding and vehicular access to provide off-street parking

26/2361/HSE - 22 Jun 2026

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Single storey front and side extension including conversion of the garage into h...

26/2325/HSE - 19 Jun 2026

37 Sutton Crescent Barnet EN5 2SW

Single storey front porch extension with associated external access steps and in...

26/2252/HSE - 16 Jun 2026

50 The Croft Barnet EN5 2TL

1 x Ash (applicants ref. T1) - Reduce back to previous points removing 2m in bra...

TPP/0335/26 - 10 Jun 2026

27 Connaught Road Barnet EN5 2PX

Roof extension involving hip to gable, L shaped rear dormer window, 2no. front f...

26/2141/FUL - 9 Jun 2026

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Submission of details of condition 3 (Parking) 4 (Cycle Storage) 5 (Refuse / Rec...

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Important details

Council
Barnet
Application type
Proposed Lawful Development Certificate
Postcode
EN5 2NL
Received
11 May 2026
Validated
12 May 2026
Ward
Underhill
Case officer
Track to view
Target decision
7 Jul 2026
Decision
Lawful
Decision date
24 Jun 2026
Decision level
Delegated Decision
Applicant
Track to view
Agent
Generative Design Partnership Ltd

Consultation & key dates

Alt. reference
PP-14924940

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
90 Hillside Gardens Barnet EN5 2NL
Single storey front, side and rear extension with 3no. skylights following demolition of…
25/1041/HSE
2024 Approved
90 Hillside Gardens Barnet EN5 2NL
Single storey side and rear extension incorporating front extension following the demolit…
24/2955/HSE
2023 Approved
97 Hillside Gardens Barnet EN5 2NH
Roof extension including hip to gable, rear dormer window, 2no. front facing rooflights a…
23/4560/192
2023 Approved
49 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension following demolition of existing conservatory
23/0285/HSE
2022 Approved
29 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension with a depth of 4.00 metres, beyond the original rear wall a…
22/2964/PNH
2022 Approved
112 Hillside Gardens Barnet EN5 2NL
First floor side and rear extension. Alterations to existing rear dormer by removing one…
22/0053/HSE
2021 Approved
112 Hillside Gardens Barnet EN5 2NL
First floor side and first floor rear extension and alterations to existing rear dormer b…
21/5228/HSE
2021 Approved
69 Hillside Gardens Barnet EN5 2NQ
Erection of privacy fence
21/5607/HSE
2021 Refused
112 Hillside Gardens Barnet EN5 2NL
First floor side and rear extension
21/3362/HSE
2021 Approved
69 Hillside Gardens Barnet EN5 2NQ
Retention of existing rear raised platform. Erection of new rear fences
21/3252/HSE
2021 Approved
89 Hillside Gardens Barnet EN5 2NH
Conversion of garage into habitable space. Replacement of garage door with window
21/0967/192
2020 Approved
63 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
20/0861/PNH
2019 Approved
31 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension following demolition of the existing conservatory
19/2687/HSE
2019 Approved
95 Hillside Gardens Barnet EN5 2NH
Single storey front extension. Part single, part two storey side and rear extension, incl…
19/2744/HSE
2019 Approved
95 Hillside Gardens Barnet EN5 2NH
Roof extension, including, hip to gable, rear dormer window with juliette balcony
19/2745/192
2019 Refused
95 Hillside Gardens Barnet EN5 2NH
Single storey rear extension with a proposed depth of 4.0 metres from original rear wall…
19/2971/PNH
2018 Approved
43 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension with a proposed depth of 4.2 metres from original rear wall…
18/4121/PNH
2017 Approved
69 Hillside Gardens Barnet EN5 2NQ
Single storey rear extension
17/5284/HSE
2017 Approved
100 Hillside Gardens Barnet EN5 2NL
Extension to roof including 1no rear dormer and 1no side dormer. First floor side and rea…
17/2177/HSE
2017 Approved
82 Hillside Gardens Barnet EN5 2NL
Roof extension involving hip to gable, rear dormer window, 1no. rooflight to front and ne…
17/1542/192
2016 Approved
100 Hillside Gardens Barnet EN5 2NL
First floor rear extension with new juliette balcony. New front porch. Roof extension inv…
16/7100/HSE
2016 Approved
67 Hillside Gardens Barnet EN5 2NQ
Single storey side extension. Replacement of garage door with new window
16/4610/HSE
2016 Approved
112 Hillside Gardens Barnet EN5 2NL
Single storey rear extension
16/1857/HSE
2016 Refused
77 Cedar Lawn Avenue Barnet EN5 2LP
Single storey rear extension with a proposed depth of 6 metres from original rear wall, e…
16/2924/PNH
2016 Refused
75 Hillside Gardens Barnet EN5 2NH
Extensions to roof involving hip to gable end, and rear dormer window with 2 no rooflight…
16/0992/192
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