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Planning application

30 Gassiot Road SW17 8LA

Granted Wandsworth 2026/0599 Certificate of Lawfulness - Proposed

Works: Extension

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

Proposal

Erection of an extension above the two-storey back addition.

As published by the council, reference 2026/0599

Application record

Reference
2026/0599
Type
Certificate of Lawfulness - Proposed
Status
Granted As published: FINAL DECISION
Decision
Granted As published: Approve No Conditions
Received
12 Feb 2026
Validated
26 Feb 2026
Decided
15 Apr 2026
Ward
Tooting Bec
Decision by
Delegated Standard
Postcode
SW17 8LA

Site history

Applications at this address on the Wandsworth register

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

  • 2025/3716 Refused

    30 Gassiot Road SW17 8LA

    Non material amendment to planning permission dated 22/04/2025 ref 2024/4226 (Alterations including the erection of a single-storey rear/side extension, formation rear dormer roof extension to main rear roof slope, addition of 2No. roof lights to front roof slope and erection of extension above part of two-storey back addition with inset roof terrace. Installation of Air Source Heat Pumps to roofs of ground floor and main roof extensions.) to allow the extension of glass across majority of length of side extension roof. Reduce length of sliding doors. Remove inset terrace. Replace perforated brickwork with window. Installation of rooflight on the flat roof back addition. Removal of chimney stack on first floor.

    Decided 13 Nov 2025 Amendments

Timeline

Dates from the published record

  1. 12 Feb 2026

    Received by Wandsworth

  2. 26 Feb 2026

    Validated

    Checked as complete and ready for consideration.

  3. 15 Apr 2026

    Decision issued: Approve No Conditions

  4. 10 Aug 2026

    Added to PlanIndex

Documents

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

7 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.

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Open the documents

What this grant of permission means

Wandsworth granted permission on 15 April 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 lawful development applications

A lawful development certificate is a legal determination that existing or proposed works do not need planning permission; the merits of the scheme are not considered. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • 30 Gassiot Road SW17 8LA

    2025/3716 Submitted 16 Oct 2025 50 yards away

    Non material amendment to planning permission dated 22/04/2025 ref 2024/4226 (Alterations including the erection of a single-storey rear/side extension, formation rear dormer roof extension to main rear roof slope, addition of 2No. roof lights to front roof slope and erection of extension above part of two-storey back addition with inset roof terrace. Installation of Air Source Heat Pumps to roofs of ground floor and main roof extensions.) to allow the extension of glass across majority of length of side extension roof. Reduce length of sliding doors. Remove inset terrace. Replace perforated brickwork with window. Installation of rooflight on the flat roof back addition. Removal of chimney stack on first floor.

    Refused Amendments Extension Loft or dormer +1 4 docs
    Small domestic
  • 28 Eswyn Road SW17 8TP

    2026/1558 Submitted 24 Apr 2026 50 yards away

    Alterations including erection of dormer roof extension to main rear roof. Erection of single storey rear extension.

    Granted Householder Extension Loft or dormer 17 docs
    Small domestic
  • 34 Eswyn Road SW17

    2023/0570 Submitted 10 Feb 2023 50 yards away

    Erection of single-storey rear extension to extend beyond the rear wall of the existing dwellinghouse by 4.44m, the total height of the proposed extension is 3.65m and the height of the eaves is 2.85m.

    Granted Prior approval Extension 8 docs
    Small domestic
  • Flat Part First Floor 17 Gassiot Road SW17 8LB

    2026/0586 Submitted 11 Feb 2026 50 yards away

    Alterations including erection of mansard roof extension to main rear roof and extension above part of two-storey back addition.

    Granted Full applications Extension Loft or dormer 8 docs
  • 29 Eswyn Road SW17 8TR

    2026/1025 Submitted 13 Mar 2026 50 yards away

    Alterations including erection of roof extension to main rear roof and extension above part of two-storey back addition.

    Granted Lawful development Extension 8 docs
  • 37 Eswyn Road SW17 8TR

    2021/2784 Submitted 11 Jun 2021 50 yards away

    Alterations including erection of roof extension to main rear roof (with French doors and safety railings) and extension above two-storey back addition.

    Granted Lawful development Extension Windows or glazing 7 docs

In Wandsworth

  • 2026/0002 Refused

    Flat First Floor 44 Lavender Gardens SW11 1DN

    Use as HMO (Class C4).

    Received 2 Jan, published by the council 29 Jul 2026 Lawful development
  • 2026/3244 Withdrawn

    110 Earlsfield Road SW18 3DR

    Erection of an extension above the two storey back addition.

    Received 10 Sep, published by the council 21 Sep 2026 Lawful development
  • 2026/1219 Granted

    45 Lynwood Road SW17 8SB

    Use of property as a childrens home with revised staffing arrangements.

    Received 27 Mar, published by the council 29 Jul 2026 Lawful development
  • 2026/3093 Withdrawn

    206 Franciscan Road SW17 8HG

    Erection of an extension to the main rear roof and installation of 3 x rooflights to the front roof slope.

    Received 27 Aug, published by the council 30 Aug 2026 Lawful development
  • 2026/2114 Granted

    145 Wakehurst Road SW11 6BW

    Internal alterations to reconfigure ground floor and provide protected means of escape.

    Received 8 Jun, published by the council 25 Jul 2026 Lawful development