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Planning application

84 Longthornton Road Streatham London SW16 5QG

Granted Merton 25/P3701 Section 192 Certificate - proposed

Works: Extension Loft or dormer

Permission granted. Work must normally begin within three years of the decision or the permission lapses.

Proposal

APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND 3 FRONT ROOFLIGHTS

As published by the council, reference 25/P3701

Application record

Reference
25/P3701
Type
Section 192 Certificate - proposed
Status
Granted As published: FINAL DECISION
Decision
Granted As published: Issue Certificate of Lawfulness
Received
10 Dec 2025
Validated
17 Dec 2025
Decided
12 Jan 2026
Ward
Longthornton
Decision by
Delegated
Postcode
SW16 5QG

Site history

Applications at this address on the Merton register

This site has had 2 applications since 2025: 1 approved, 0 refused.

  • 25/P3822 Awaiting decision

    84 Longthornton Road Streatham London SW16 5QG

    APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 3.61M AND EAVES HEIGHT OF 2.2M.

    Submitted 23 Dec 2025 Householder

Timeline

Dates from the published record

  1. 10 Dec 2025

    Received by Merton

  2. 17 Dec 2025

    Validated

    Checked as complete and ready for consideration.

  3. 12 Jan 2026

    Decision issued: Issue Certificate of Lawfulness

  4. 12 Aug 2026

    Added to PlanIndex

Documents

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

6 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.

Watch members (£5 a month) open the document list from here.

Open the documents

What this grant of permission means

Merton granted permission on 12 January 2026, subject to any conditions on the decision notice. Work must normally begin within three years or the permission lapses. More in our guide to what happens after a planning decision.

About outline applications

An outline application tests the principle of developing a site, holding back details such as appearance and landscaping as reserved matters for later approval. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 84 Longthornton Road Streatham London SW16 5QG

    25/P3822 Submitted 23 Dec 2025 50 yards away

    72% historically approved · decision due ~24 Feb

    APPLICATION FOR PRIOR APPROVAL IN RESPECT OF THE PROPOSED ERECTION OF A SINGLE STOREY REAR EXTENSION WITH A DEPTH OF 6M, MAXIMUM HEIGHT OF 3.61M AND EAVES HEIGHT OF 2.2M.

    Awaiting decision Householder Extension
    Small domestic

  • 113 Longthornton Road Streatham London SW16 5QF

    25/P2473 Submitted 22 Aug 2025 50 yards away

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND INSTALLATION OF TWO ROOFLIGHTS TO THE FRONT ROOFSLOPE.

    Granted Outline Extension Loft or dormer 17 docs

  • 55 Stanford Way Streatham SW16 4HE

    25/P2368 Submitted 13 Aug 2025 100 yards away

    ERECTION OF REAR EXTENSION, INSERTION OF GABLE ENDED ROOF ABOVE THE EXISTING TWO STOREY SIDE ELEMENT, REAR DORMER AND CONVERSION OF GARAGE TO HABITABLE ROOM.

    Granted Full applications Extension Loft or dormer 10 docs

  • 55 Stanford Way Streatham SW16 4HE

    25/P2368/INVALID Submitted 13 Aug 2025 100 yards away

    ERECTION OF REAR EXTENSION, INSERTION OF GABLE ENDED ROOF ABOVE THE EXISTING TWO STOREY SIDE ELEMENT, REAR DORMER AND CONVERSION OF GARAGE TO HABITABLE ROOM.

    Granted Full applications Extension Loft or dormer 10 docs

  • 49 Stanford Way Streatham SW16 4HE

    25/P2784 Submitted 24 Sep 2025 100 yards away

    APPLICATION FOR VEHICULAR CROSSOVER.

    Granted Full applications 8 docs

  • 49 Stanford Way Streatham SW16 4HE

    25/P2784/INVALID Submitted 24 Sep 2025 100 yards away

    APPLICATION FOR VEHICULAR CROSSOVER.

    Granted Full applications 8 docs

In Merton

  • 25/P3798 Granted

    35 Rowan Crescent Streatham London SW16 5JA

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE AND REAR DORMER ROOF EXTENSION AND FRONT ROOFLIGHTS

    Received 19 Dec, published by the council 12 Aug 2026 Outline
  • 25/P3780 Granted

    433 Cannon Hill Lane Raynes Park SW20 9HH

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A HIP TO GABLE AND REAR DORMER ROOF EXTENSIONS

    Received 19 Dec, published by the council 12 Aug 2026 Outline
  • 25/P3789 Granted

    18 Bordergate Mitcham CR4 3JE

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR DORMER ROOF EXTENSION AND 3X FRONT ROOFLIGHTS

    Received 18 Dec, published by the council 12 Aug 2026 Outline
  • 25/P3791 Granted

    55 Tudor Drive Morden SM4 4PN

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED CHANGE OF USE FROM A DWELLINGHOUSE (CLASS C3) TO A SMALL HMO (CLASS C4)

    Received 18 Dec, published by the council 12 Aug 2026 Outline
  • 25/P3745 Granted

    169 Lynmouth Avenue Morden SM4 4RR

    APPLICATION FOR A LAWFUL DEVELOPMENT CERTIFICATE IN RESPECT OF THE PROPOSED ERECTION OF A REAR ROOF EXTENSION AND INSERTION OF 2X ROOFLIGHTS TO FRONT ROOFSLOPE.

    Received 15 Dec, published by the council 12 Aug 2026 Outline