29 Seaward Avenue Leiston Suffolk IP16 4BL

Pending DC/26/1514/CLP
Council
Date received
22 Apr 2026
Date validated
22 Apr 2026
Postcode
IP16 4BL

Description

Certificate of Lawful use (Proposed) - Erection of a single storey rear extension to the existing semi-detached dwellinghouse. The extension will be located to the rear of the property and will project 1.9m from the original rear wall, as shown on the submitted drawings. It will extend across part of the rear elevation and will have a flat roof with a maximum external height of 2.9m measured from ground level. The development will be constructed using materials of a similar appearance to the existing dwellinghouse. No changes to access, parking, or boundary treatments are proposed.

East Suffolk
Planning Authority Score
5/10
Average
#143 of 292 councils
Relevant to this application:
Householder decisions

East Suffolk ranks #195 out of 292 councils for householder decision speed. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
East Suffolk decision performance
Based on MHCLG data, 2025
92%
Overall approval rate
Above avg (87%) #78 of 292
95%
Householder approved
Above avg (90%) #73 of 292
57%
Decided in 8 weeks
Below avg (64%) #195 of 292
43%
Extended time limit
Above avg (40%) #169 of 292
81%
Minor dwellings approved
211 decided (1-9 homes)
100%
Major dwellings approved
20 decided (10+ homes)
83%
Change of use approved
149 decided
1,992
Total decisions
156 refused in 2025