29 Seaward Avenue Leiston Suffolk IP16 4BL Data via plota.co.uk
Proposal
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. Data via plota.co.uk
Application progress
Approved on 19 Jun 2026 · Delegated Decision · Last checked 8 Jul 2026
Documents 7
Decision & officer reports 2
Statements & assessments 1
Plans & drawings 3
Application forms 1
Site constraints 1
Checked on 11 September 2026. Historic England, the Environment Agency, Natural England 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.
Every application in East Suffolk - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
- Council
- East Suffolk
- Application type
- Lawful Development Certificate(Proposed)
- Postcode
- IP16 4BL
- Received
- 22 Apr 2026
- Validated
- 22 Apr 2026
- Ward
- Aldeburgh And Leiston
- Parish
- Leiston Cum Sizewell
- Case officer
- Show
- Target decision
- 17 Jun 2026
- Decision
- Application Permitted
- Decision date
- 19 Jun 2026
- Decision level
- Delegated Decision
- Applicant
- Show
- Agent
- Collective Community Planning Ltd
How this decision compares
Decided in 58 days from validation, about the council's usual 55 days. Approved, as 97% of extensions here are.
Plota live figures for extensions decided by East Suffolk in the last twelve months, from validation. East Suffolk decision record →
Consultation & key dates
- Env. assessment
- No
Historical activity at this location
9 nearby applications on record - archival context, not part of the live application.
Nearby activity
East Suffolk ranks #183 out of 296 councils for householder decision speed. Householder applications are slightly more likely to be approved here (95%) than the national average (90%).
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29 Seaward Avenue Leiston Suffolk IP16 4BL
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