17 Belgrave Square London SW1X 8PG

Pending 26/03051/LBC
Council
Date received
8 May 2026
Date validated
8 May 2026
Postcode
SW1X 8PG

Description

Removal of Condition 10 of listed building consent dated 18th August 2025 (RN:25/03417/LBC) for: Replacement and erection of five air condenser units within acoustic enclosure on main roof of 17 Belgrave Square, two new air condenser units within two separate enclosures on rear ground floor terrace to 17 Belgrave Mews West and internal air conditioning units. Internal and external alterations, including alteration to conservatory, internal layout changes, installation of underfloor heating system, and removal and replacement of floorboards, doors and MEP services namely, to remove the requirement to carry out a paint analysis of the principal rooms.

Westminster
Planning Authority Score
3.8/10
Below average
#199 of 282 councils
Relevant to this application:
Householder decisions

Westminster is slower than most councils at deciding householder applications, ranking #220 out of 282. Only 27% of applications have the time limit extended, well below the 40% 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 79% approved vs 90% nationally.

One of the strictest councils
only 79% approved vs 90% nationally
These figures are council-wide context, not a prediction for this application. View full council performance
Westminster decision performance
Based on MHCLG data, 2025
86%
Overall approval rate
Below avg (87%) #193 of 282
79%
Householder approved
Below avg (90%) #268 of 282
53%
Decided in 8 weeks
Below avg (64%) #220 of 282
27%
Extended time limit
Below avg (40%) #41 of 282
86%
Minor dwellings approved
14 decided (1-9 homes)
67%
Major dwellings approved
3 decided (10+ homes)
86%
Change of use approved
140 decided
4,828
Total decisions
669 refused in 2025