7 The Polygon London SW4 0JG

Awaiting decision 26/00645/LB
Council
Date received
2 Mar 2026
Date validated
2 Mar 2026
Postcode
SW4 0JG

Description

Retrospective replacement of modern metal windows to rear elevation with traditional single glazed timber sash windows; replacement of basement door with French doors; removal of central dividing partition wall to basement level and installation of brick nibs either side; removal of central dividing partition wall at ground floor level and installation of down stand beam over; reconfiguration of central internal partition wall at 1st floor level to create store area to 1st floor bedroom; installation of modern stud partition walls to form shower enclosure to 1st floor bathroom; installation of modern stud partition wall to 2nd floor rear room to form en suite bathroom to rear bedroom; and formation of loft hatch to second floor ceiling on landing.

3.3/10
Planning Authority Score
#218 of 277

Lambeth ranks #129 out of 277 councils for householder decision speed. 46% of applications have the time limit extended, above the 40% national average. Lambeth is also one of the strictest councils - it refuses more householder applications than almost any other, with only 83% approved vs 90% nationally.

Lambeth decision performance
Based on MHCLG data, 2025
80%
Overall approval rate
Below avg (87%) #247 of 277
83%
Householder approved
Below avg (90%) #243 of 277
73%
Decided in 8 weeks
Above avg (71%) #129 of 277
46%
Extended time limit
Above avg (40%) #184 of 277
51%
Minor dwellings approved
53 decided (1-9 homes)
88%
Major dwellings approved
8 decided (10+ homes)
40%
Change of use approved
52 decided
1,725
Total decisions
347 refused in 2025