27A Millway London NW7 3QR Data via plota.co.uk

26/0507/FUL - Full Application Refused

Proposal

Roof extension including 1no. side dormer window, 1no. rear dormer window and 2no. front facing rooflights to provide 1no. short-term let unit (Class C1). Bin and bike storage Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
9 Feb 2026
✓
Consultation
19 Feb 2026
✗
Refused
2 Apr 2026
✓
Appeal allowed
19 Aug 2026

Refused on 2 Apr 2026 · Delegated Decision · Last checked 29 Jul 2026

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 Named permitted development rights are withdrawn here.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 4 (good), 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 4

Last sold for £410,000 in February 2023. Flat or maisonette, leasehold.

22 February 2023£410,000
28 August 2009£266,300
24 August 2001£120,000
28 March 1996£65,500

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

Building

Floor area62 m² (667 sq ft)
Energy ratingD (60 out of 100)
PropertySemi-detached flat, 3 habitable rooms
Built1930 to 1949
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in October 2010, 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

Important details

Council
Barnet
Application type
Full Application
Postcode
NW7 3QR
Received
9 Feb 2026
Validated
9 Feb 2026
Ward
Mill Hill
Case officer
Show
Target decision
6 Apr 2026
Decision
Refuse
Decision date
2 Apr 2026
Decision level
Delegated Decision
Appeal
Allowed · 19 Aug 2026 · Written Representations · Inspectorate case 6008189 ↗
Applicant
Show
Agent
Adara

How this decision compares

Decided in 52 days from validation, 4 days faster than Barnet's median of 56 for changes of use. Refused, as 44% of changes of use here are.

67%decided within 8 weeks
56%approved
188decided in the last year

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

Consultation & key dates

Alt. reference
PP-14691014
Planning Portal ref
PP-14691014
Comments by
12 Mar 2026
Site or press notice
19 Feb 2026
Statutory expiry
6 Apr 2026
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

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

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.