18 Boyton House Wellington Road London NW8 9TH Data via plota.co.uk

26/05034/FULL - Full Planning Permission Application Approved

Proposal

Installation of air conditioning unit on recessed balcony, at fourth floor level (Flat 18). Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
27 Jul 2026
✓
Approved
16 Sept 2026

Approved on 16 Sept 2026 · Complex Delegated Decision · Last checked 17 Sept 2026

Site constraints 8

Article 4 direction
Article 4 Basement Development Permitted Rights Removed. Named permitted development rights are withdrawn here.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: Westminster 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
11 listed buildings within 150 m; Local nature reserve 326 m away: St John's Wood Church Grounds; Conservation area 32 m away: St John's Wood; Inside the City of Westminster built-up area; Public transport access: PTAL 5 (very good), TfL 2023, for the 100 m square; Town centre 44 m away: St John's Wood.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument 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.

Building

Floor area67 m² (721 sq ft)
Energy ratingC (70 out of 100)
PropertyEnclosed end-terrace flat, 3 habitable rooms
Built1930 to 1949
HeatingCommunity scheme
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in May 2025, the latest held for this property. The building may have changed since. View the certificate

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Important details

Application type
Full Planning Permission Application
Postcode
NW8 9TH
Received
27 Jul 2026
Validated
27 Jul 2026
Ward
Regent's Park
Case officer
Show
Target decision
21 Sept 2026
Decision
Application Permitted
Decision date
16 Sept 2026
Decision level
Complex Delegated Decision
Applicant
Show
Agent
PML Architecture

How this decision compares

Decided in 51 days from validation, 6 days faster than Westminster's median of 57 for utility and infrastructure works. Approved, as 90% of utility and infrastructure works here are.

49%decided within 8 weeks
90%approved
415decided in the last year

Plota live figures for utility and infrastructure works decided by Westminster in the last twelve months, from validation. Westminster decision record →

Public comments

1comment received
1 objecting

30 neighbours consulted · Last counted 17 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15106960
Planning Portal ref
PP-15106960
Comments by
26 Aug 2026
Site or press notice
5 Aug 2026
Env. assessment
No
Westminster
Planning Authority Score
3.5/10
Below average
#221 of 296 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #258 out of 296. Only 28% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Westminster is also one of the strictest councils - it refuses more householder applications than almost any other, with only 81% approved vs 90% nationally.

One of the strictest councils
only 81% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision statistics
Based on MHCLG data, the year to March 2026
86%
Overall approval rate
Below avg (87%) #201 of 296
81%
Householder approved
Below avg (90%) #277 of 296
44%
Decided in 8 weeks
Below avg (63%) #258 of 296
28%
Extended time limit
Below avg (41%) #46 of 296
83%
Minor dwellings approved
12 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
81%
Change of use approved
133 decided
4,602
Total decisions
648 refused in the year to March 2026

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.