12 Marlborough Avenue Edgware HA8 8UH Data via plota.co.uk

26/3796/S73 Pending Consideration
Admin / procedural

Proposal

Variation of condition 1 (Approved plans) pursuant to planning permission 26/3039/HSE dated 14/10/2026 for `Part single, part two storey rear extension. First floor side extension. Roof extension involving side and rear wraparound dormer and side gable windows. New front porch with associated steps and railings.` Amendments include changes to the roof form over the side extension Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
20 Oct 2026
✓
Consultation
29 Oct 2026
Decision
Expected by 15 Dec 2026

Under consideration

No decision has been issued yet. A decision is expected by 15 Dec 2026.

Comments are open until 19 Nov 2026

Comment on this application ↗

Documents 5

Plans & drawings 3

PDF THE LOCATION PLAN Site Location Plan · 20 Oct 2026 View ↗ PDF EXISTING Drawing · 20 Oct 2026 View ↗ PDF PROPOSED Drawing · 20 Oct 2026 View ↗

Application forms 2

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 20 Oct 2026 View ↗ PDF COMMUNITY INFRASTRUCTURE LEVY - COMPLETED FORM CIL Document · 20 Oct 2026 View ↗

All documents on the council site ↗

Associated applications 2

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 Named permitted development rights are withdrawn here.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 1b (very 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 22 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.

Sales history 2

Last sold for £595,000 in May 2024. Detached house, freehold.

10 May 2024£595,000
26 August 2010£317,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area110 m² (1,184 sq ft)
Energy ratingE (54 out of 100), could reach B
PropertyDetached house, 6 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2017, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Barnet
Postcode
HA8 8UH
Received
20 Oct 2026
Validated
20 Oct 2026
Target decision
15 Dec 2026

Public comments

No public comments yet.

Last counted 22 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15310059
Planning Portal ref
PP-15310059
Comments by
19 Nov 2026
Site or press notice
29 Oct 2026
Statutory expiry
15 Dec 2026

Historical activity at this location

27 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2025 Approved
Front porch extension including the relocation of the front door and new access steps. Fi…
25/4255/HSE
2025 Approved
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.00m and…
25/4254/PNH
Within ~100m

Nearby activity

2025
18 Wyre Grove Edgware HA8 8UW
Single storey rear extension with 1no. roof lantern. New front porch. Conversion of the e…
25/5022/HSE
2025
47 Warwick Avenue Edgware HA8 8UN
Part single part two storey side and rear extensions following demolition of the existing…
25/4472/HSE
2025 Approved
47 Warwick Avenue Edgware HA8 8UN
2 no. single storey rear extensions with a proposed depth of 6.00 metres, maximum height…
25/2944/PNH
2025 Refused
47 Warwick Avenue Edgware HA8 8UN
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00…
25/1570/PNH
2025
47 Warwick Avenue Edgware HA8 8UN
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflight…
25/1569/192
2024 Refused
63 Warwick Avenue Edgware HA8 8UN
Part single, part two storey side and rear extension following demolition of existing gar…
24/2268/HSE
2024 Withdrawn
19 Marlborough Avenue Edgware HA8 8UH
Conversion of the existing dwelling into 2no. self-contained flats including first floor…
24/2058/FUL
2024 Approved
63 Warwick Avenue Edgware HA8 8UN
Part single, part two storey side and rear extension. New raised patio to rear. New front…
24/0839/HSE
2023 Approved
45 Warwick Avenue Edgware HA8 8UN
Single storey rear extension with 2no. roof lanterns. New raised patio area with associat…
23/4915/HSE
2023 Withdrawn
27 Warwick Avenue Edgware HA8 8UN
Two storey side extension
23/4749/HSE
2023 Approved
5 Marlborough Avenue Edgware HA8 8UH
Alteration and retention of rear extension
23/4003/HSE
2023 Approved
45 Warwick Avenue Edgware HA8 8UN
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no…
23/3809/192
2023 Approved
61 Warwick Avenue Edgware HA8 8UN
Part single, part two storey side and rear extension following demolition of existing out…
23/2198/HSE
2022 Approved
5 Marlborough Avenue Edgware HA8 8UH
Alterations and retention of rear extension
22/2437/HSE
2022 Refused
5 Marlborough Avenue Edgware HA8 8UH
Retention of rear extension (Amended Description)
22/0545/HSE
2022 Approved
27 Warwick Avenue Edgware HA8 8UN
Single storey side extension including relocation of existing side entrance to the front…
22/0448/HSE
2022 Approved
4 Marlborough Avenue Edgware HA8 8UH
Single storey rear extension following demolition of the existing conservatory. Part sing…
22/0007/HSE
2021 Approved
5 Marlborough Avenue Edgware HA8 8UH
Single storey rear extension
21/0618/HSE
2020 Approved
61 Warwick Avenue Edgware HA8 8UN
Two storey side and rear extension. New front porch (AMENDED PLANS)
20/3990/HSE
2020 Refused
20 Wyre Grove Edgware HA8 8UW
Single storey rear extension with a proposed depth of 4.50 metres from original rear wall…
20/4759/PNH
2017 Approved
5 Rosens Walk Edgware HA8 8UR
Single storey rear extension. Erection of a garage with a pitched roof to the side elevat…
17/2898/HSE
2017 Approved
2 Marlborough Avenue Edgware HA8 8UH
Part single, part two storey side extension including alterations to existing garage
17/3058/HSE
2017 Withdrawn
2 Marlborough Avenue Edgware HA8 8UH
Part single, part two storey side extension including alterations to existing garage
17/1731/HSE
2016 Approved
31 Warwick Avenue Edgware HA8 8UN
Demolition of existing outbuilding to the side of the property and erection of two storey…
16/6696/HSE
2016 Refused
31 Warwick Avenue Edgware HA8 8UN
Demolition of existing outbuilding to the side of the property and erection of two storey…
16/4156/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

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.

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.