10 Holmdene Avenue London NW7 2NA Data via plota.co.uk

26/0205/S73 - Vary/Remove condition/Minor Mtl Amnd Approved
Admin / procedural

Proposal

Variation of condition 1 (Approved plans) of planning permission dated 11/08/2025 for 'Single storey rear extension with 2no. rooflights and new patio area and access steps to garden. Conversion of existing garage into habitable space including increasing the roof ridge height, insertion of window to replace the garage door. Front porch extension. Increasing roof height of the existing study at the rear' Variation to include increasing the depth of proposed rear extension and rear patio. Changes to the rear elevation including insertion of double door (amended description) Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
20 Jan 2026
✓
Consultation
29 Jan 2026
✓
Approved
17 Mar 2026

Approved on 17 Mar 2026 · Delegated Decision · Last checked 28 Jul 2026

Documents 7

Decision & officer reports 1

PDF DN: APPROVE S73 WITH CONDS Decision Notice · 17 Mar 2026 View ↗

Statements & assessments 2

PDF FLOOD RISK ASSESSMENT Application Document · 20 Jan 2026 View ↗ PDF PLANNING STATEMENT Planning statement · 20 Jan 2026 View ↗

Plans & drawings 2

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

Application forms 1

PDF APPLICATION FORM - WITHOUT PERSONAL DATA Application Form · 20 Jan 2026 View ↗

Other documents 1

PDF SITE NOTICE Photo · 16 Mar 2026 View ↗

All documents on the council site ↗

Associated applications 3

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 Named permitted development rights are withdrawn here.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 6 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 1

Last sold for £1,175,000 in August 2017. Detached house, freehold.

30 August 2017£1,175,000

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

Building

Floor area181 m² (1,948 sq ft)
Energy ratingF (35 out of 100), could reach D
PropertyDetached house, 10 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

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

Work with planning data?

Every application in Barnet - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Other new applications on this street

10 Jun 2026Approved

7 Holmdene Avenue London NW7 2LY

Submission of details of condition 7 (Tree Protection) of planning permission 26...

26/2151/CON

Nearby new applications

20 Oct 2026Pending

5 Parkside London NW7 2LJ

Part single, part two storey side extension. Single storey rear extension with n...

26/3793/HSE
5 Oct 2026Pending

105 Wise Lane London NW7 2BD

1 x Yew (applicants ref. T1) - Reduce height by 2m and trim round to neaten by 1...

TPP/0606/26
5 Oct 2026Pending

105 Wise Lane London NW7 2BD

1 x Beech (applicants ref. T2) - Reduce height by 2m and bring lateral growth to...

TPP/0608/26
21 Sept 2026Pending

109 Wise Lane London NW7 2BD

1 x Ash (applicants ref. T7) - Thin crown density by 20% and reduce extraneous g...

TPP/0578/26
11 Sept 2026Approved

75 Wise Lane London NW7 2RH

Non-material amendments to planning permission reference 17/2583/FUL dated 16/08...

26/3297/NMA
4 Sept 2026Pending

10 Holmdene Avenue London NW7 2NA

Variation of condition 1 (Approved Plans) of planning permission reference 26/02...

26/3236/S73

Important details

Council
Barnet
Application type
Vary/Remove condition/Minor Mtl Amnd
Postcode
NW7 2NA
Received
20 Jan 2026
Validated
20 Jan 2026
Ward
Mill Hill
Case officer
Show
Target decision
17 Mar 2026
Decision
Approve subject to conditions
Decision date
17 Mar 2026
Decision level
Delegated Decision
Applicant
Show

Consultation & key dates

Alt. reference
PP-14624506
Planning Portal ref
PP-14624506
Comments by
19 Feb 2026
Site or press notice
29 Jan 2026
Statutory expiry
17 Mar 2026

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
Single storey rear extension with 2no. rooflights and new patio area and access steps to…
25/2451/HSE
Within ~100m

Nearby activity

2025 Approved
43 Glenmere Avenue London NW7 2LT
Single storey side and rear extension following demolition of the existing rear extension…
25/4268/HSE
2025 Approved
43 Glenmere Avenue London NW7 2LT
Roof extension involving hip to gable, rear dormer window with 3no. front facing roofligh…
25/4269/192
2025 Approved
13 Copthall Drive London NW7 2ND
Part single, part two storey side and rear extension following demolition of existing chi…
25/3220/HSE
2025 Approved
105 Wise Lane London NW7 2BD
Part single, part two storey rear extension including gabled dormer at first floor level…
25/0237/HSE
2025 Approved
34 Copthall Drive London NW7 2NB
Roof extension involving hip to gable, rear dormer window, 2no. front facing rooflights a…
25/0363/192
2024 Approved
18 Holmdene Avenue London NW7 2NA
Part single, part two storey rear extension with new patio area and associated balustrade…
24/0085/HSE
2024 Approved
15 Copthall Drive London NW7 2ND
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no fron…
24/0219/192
2023 Approved
15 Copthall Drive London NW7 2ND
Single storey rear extension. First floor side extension. Roof extension involving 2no. s…
23/2376/HSE
2021 Approved
109 Wise Lane London NW7 2BD
Demolition of the existing dwelling and erection of a two storey plus basement level dwel…
21/5389/FUL
2021 Approved
11 Holmdene Avenue London NW7 2LY
Raising of height of existing side projection, alterations to roof form involving crown r…
21/4529/HSE
2021 Approved
44 Copthall Drive London NW7 2NB
Part single, part two storey side and rear extension. Conversion of garage into habitable…
21/1575/HSE
2021 Approved
11 Holmdene Avenue London NW7 2LY
Two storey rear extension. Conversion of the existing garage into habitable room
21/2481/HSE
2021 Approved
36A Copthall Drive London NW7 2NB
1 x Oak (applicant's ref. T1) - Thin by 30%. Standing in group G5 of Tree Preservation Or…
TPP/0266/21
2021 Approved
19 Holmdene Avenue London NW7 2LY
1 x Oak (applicant's ref. T1) - Remove epicormic growth on main stem to where main crown…
TPP/0244/21
2021 Approved
105 Wise Lane London NW7 2BD
1 x Yew (marked as Area A15 on applicant's plan) - Reduce crown by 15%. Standing in Area…
TPP/0066/21
2020 Approved
41 Glenmere Avenue London NW7 2LT
Single storey side extension. Replacement of garage door with window with an increase of…
20/5382/HSE
2020 Approved
15 Copthall Drive London NW7 2ND
one Part single part two storey side and rear extension. Roof extension involving rear an…
20/2577/HSE
2020 Approved
11 Copthall Drive London NW7 2ND
Single storey side extension following demolition of existing store and study
20/5572/192
2020 Approved
41 Glenmere Avenue London NW7 2LT
Single story rear extension with a proposed depth of 4 metres from original rear wall and…
20/5131/PNH
2020 Approved
41 Glenmere Avenue London NW7 2LT
Roof extension involving hip to gable, rear dormer window with juliette balcony.
20/5209/192
2016 Refused
15 Copthall Drive London NW7 2ND
Part single, part two storey rear extension. Roof extension involving hip to gable, rear…
16/5185/HSE
2016 Approved
13 Holmdene Avenue London NW7 2LY
Demolition of existing house and erection of 1no three-storey detached dwelling house
16/5738/HSE
2016 Approved
43 Glenmere Avenue London NW7 2LT
Single storey front and rear extensions
16/1606/HSE
2016 Refused
43 Glenmere Avenue London NW7 2LT
Single storey rear extension with a proposed depth of 3.87 metres from original rear wall…
16/1635/PNH
2016 Approved
43 Glenmere Avenue London NW7 2LT
Roof extension involving hip to gable, rear dormer window. 3no rooflights to front elevat…
16/1610/192
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.