100 Ashurst Road London N12 9AB Data via plota.co.uk

26/3717/192 - Proposed Lawful Development Certificate Pending Consideration
Extensions & alterations

Proposal

Roof extension including rear dormer window, 3no front facing rooflights and new side gable window Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
14 Oct 2026
Decision
Expected by 9 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision between 28 Nov 2026 and 8 Dec 2026, from Barnet's recent extensions.

Documents 6

Plans & drawings 5

PDF EXISTING Drawing · 14 Oct 2026 View ↗ PDF PROPOSED FLOOR PLANS Drawing · 14 Oct 2026 View ↗ PDF PROPOSED ELEVATIONS Drawing · 14 Oct 2026 View ↗ PDF PROPOSED SECTION/VOLUME CALCULATION Drawing · 14 Oct 2026 View ↗ PDF THE LOCATION PLAN Site Location Plan · 14 Oct 2026 View ↗

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 14 Oct 2026 View ↗

All documents on the council site ↗

Site constraints 4

Article 4 direction
Article 4 Small Houses in Multiple Occupation (HMO) Area 1. Named permitted development rights are withdrawn here.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: Barnet 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 ↗
Also on the record
Inside the Barnet built-up area; Public transport access: PTAL 2 (poor), TfL 2023, for the 100 m square.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 16 October 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 area96 m² (1,033 sq ft)
Energy ratingF (28 out of 100), could reach D
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingRoom heaters, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in January 2026, the latest held for this property. The building may have changed since. View the certificate

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Other new applications on this street

27 May 2026Approved

116 Ashurst Road London N12 9AB

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23 Jun 2026Approved

119 Ashurst Road London N12 9AA

Single storey side extension

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18 May 2026Refused

Flat 2 2 Ashurst Road London N12 9AX

Roof extension with rear dormer with juliette balcony, outrigger dormer, 2no. si...

26/1864/FUL
14 May 2026Approved

20 Ashurst Road London N12 9AX

Roof extension involving removal and replacement of the existing rear dormer and...

26/1815/192

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Important details

Council
Barnet
Application type
Proposed Lawful Development Certificate
Postcode
N12 9AB
Received
14 Oct 2026
Validated
14 Oct 2026
Ward
Woodhouse
Case officer
Show
Target decision
9 Dec 2026
Applicant
Show
Agent
Show

Decision outlook

Day 5 of the 56-day target. Barnet usually decides extensions by day 52.

Day 551 days to the 56-day target
86%decided within 8 weeks
75%approved
1,845decided in the last year

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

Public comments

No public comments yet.

Last counted 16 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15296545
Planning Portal ref
PP-15296545
Statutory expiry
9 Dec 2026

Historical activity at this location

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

Within ~100m

Nearby activity

2025 Approved
119 Ashurst Road London N12 9AA
Single storey side extension and boundary wall
25/3162/HSE
2024 Approved
103 Ashurst Road London N12 9AA
Single storey front extension incorporating new porch. New front driveway with hard and s…
24/5671/HSE
2024 Approved
103 Ashurst Road London N12 9AA
Single storey 6m rear extension with a depth of 6m, a maximum height of 3.83m and an eave…
24/5672/PNH
2024 Approved
103 Ashurst Road London N12 9AA
Single storey rear extension with a depth of 6m, a maximum height of 4m and an eaves heig…
24/4737/PNH
2024
103 Ashurst Road London N12 9AA
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no. fro…
24/4736/192
2024 Approved
93 Ashurst Road London N12 9AA
Part single, part two storey rear extension following demolition of existing conservatory
24/1827/HSE
2024
Palmeira 24 Buxted Road London N12 9AS
First floor rear extension. Roof extension involving side dormer and 1no. rear and front…
24/0586/HSE
2023 Approved
118 Ashurst Road London N12 9AB
Erection of a rear outbuilding
23/2344/192
2023 Withdrawn
90 Ashurst Road London N12 9AX
Roof extension including rear dormer window
23/2208/192
2023 Approved
90 Ashurst Road London N12 9AX
Single storey rear extension following demolition of porch, with new patio and access ste…
23/1125/HSE
2023 Refused
118 Ashurst Road London N12 9AB
Single storey side extension following demolition of the existing garage. Erection of a r…
23/1015/192
2022 Withdrawn
90 Ashurst Road London N12 9AX
Single storey rear extension. New front porch and steps. Alterations and extension to roo…
22/5346/HSE
2022 Approved
150 Friern Park London N12 9LU
Single storey side extension with enlargement to existing patio
22/2479/HSE
2022 Approved
Aborfields 30 Buxted Road London N12 9AS
Two storey side and rear extension including roof additions with rear dormer window, 2no…
22/1329/HSE
2021 Approved
Aborfields 30 Buxted Road London N12 9AS
Two storey side and rear extension following demolition of the existing garage
21/3993/HSE
2021 Approved
Glenville 34 Buxted Road London N12 9HG
Single storey side and rear extension. Conversion of the existing garage into habitable r…
21/3665/HSE
2021 Approved
Aborfields 30 Buxted Road London N12 9AS
Single storey rear extension measures 4.00 metres in depth from the original rear wall wi…
21/2619/PNH
2021 Approved
Glenville 34 Buxted Road London N12 9HG
Roof extension involving hip to gable, rear dormer window and 3no front facing rooflights…
21/1945/192
2021
First Floor Flat 146 Friern Park London N12 9LU
Roof extension involving side dormer window, rear dormer window and 1no front facing roof…
21/0703/FUL
2020 Approved
15 Friary Close London N12 9AR
Roof extension involving hip to gable, 1no side gable window, rear dormer windows and 2no…
20/5128/192
2016 Refused
146 And 146A Friern Park London N12 9LU
Two storey rear extension to both properties following demolition of existing ground floo…
16/4186/FUL
2016 Approved
124 Ashurst Road London N12 9AB
Single storey rear extension, with a raised platform.
16/2893/HSE
2016 Approved
95 Ashurst Road London N12 9AA
Single storey rear extension with a proposed depth of 3.5 metres from original rear wall…
16/3186/PNH
2016 Refused
95 Ashurst Road London N12 9AA
Single storey rear extension with a proposed maximum depth of 4 metres from original rear…
16/2059/PNH
2016 Approved
118 Ashurst Road London N12 9AB
Extensions to roof involving pitched roof to existing first floor rear extension with an…
16/0901/HSE
Barnet
Planning Authority Score
6.2/10
Average
#90 of 296 councils
Relevant to this application:
Householder decisions

Barnet is faster than most councils at deciding householder applications, ranking #42 out of 296. Only 25% of applications have the time limit extended, well below the 41% 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 82% approved vs 90% nationally.

One of the strictest councils
only 82% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Barnet decision statistics
Based on MHCLG data, the year to March 2026
75%
Overall approval rate
Below avg (87%) #285 of 296
82%
Householder approved
Below avg (90%) #264 of 296
79%
Decided in 8 weeks
Above avg (63%) #42 of 296
25%
Extended time limit
Below avg (41%) #29 of 296
55%
Minor dwellings approved
319 decided (1-9 homes)
90%
Major dwellings approved
21 decided (10+ homes)
41%
Change of use approved
132 decided
2,541
Total decisions
625 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.