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Planning application

First Floor Flat 253 Northborough Road Streatham London SW16 4TR

Awaiting decision Merton 25/P3748 Full Planning Permission

Works: Extension Loft or dormer

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

FIRST FLOOR REAR EXTENSION & REAR DORMER ROOF EXTENSIONS & CONVERSION OF EXISTING FLAT INTO 2 X 1-BED/1-PERSON UNITS AND 1 X 2-BED/3-PERSON UNIT WITH ASSOCIATED REFUSE/CYCLE STORAGE & OUTSIDE AMENITY SPACE

As published by the council, reference 25/P3748

Application record

Reference
25/P3748
Type
Full Planning Permission
Status
REGISTERED
Received
15 Dec 2025
Validated
11 Jan 2026
Ward
Longthornton
Postcode
SW16 4TR

Timeline

Dates from the published record

  1. 15 Dec 2025

    Received by Merton

  2. 11 Jan 2026

    Validated

    Checked as complete and ready for consideration.

  3. 12 Aug 2026

    Added to PlanIndex

  4. Decision

    Awaiting decision

    Decision expected by 8 March 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Merton took a median of 47 days over the applications it decided in the last year.

Documents

Plans, drawings, consultee responses and the officer's report

18 documents on file for this application

A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Merton for determination, against a statutory target of eight weeks. Over the last year Merton decided full applications in a median of 56 days. More in our guide to how long planning decisions take.

About full applications

A full application seeks permission for a complete, detailed proposal in one go, with siting, design, access and landscaping all fixed at this stage. More in our guide to planning application types.

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