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Planning application

26 TANNSFELD ROAD, LONDON, SE26 5DF

Granted Lewisham DC/25/141986 Lawful Development Certificate proposed

Works: Extension Windows or glazing

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

Proposal

Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the replacement of the flat roof and rear wall of an existing rear extension, together with the installation of a new rear window and door at 26 Tannsfeld Road SE26.

As published by the council, reference DC/25/141986

Application record

Reference
DC/25/141986
Type
Lawful Development Certificate proposed
Status
Decided
Decision
Granted
Received
30 Oct 2025
Validated
31 Oct 2025
Decided
16 Dec 2025
Ward
Sydenham
Parish
Does NOT need to go to BCAP
Decision by
Delegated
Postcode
SE26 5DF

Site history

Applications at this address on the Lewisham register

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

  • DC/26/142686 Granted

    26 TANNSFELD ROAD, LONDON, SE26 5DF

    Application for a Lawful Development Certificate (Proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A, B, and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a rear dormer roof extension, the insertion of two rooflights to the front roof slope, and alterations to the existing rear extension including changes to cladding, windows, and door at 26 Tannsfield Road, SE26.

    Decided 2 Feb 2026 Lawful development

Timeline

Dates from the published record

  1. 30 Oct 2025

    Received by Lewisham

  2. 31 Oct 2025

    Validated

    Checked as complete and ready for consideration.

  3. 16 Dec 2025

    Decision issued: Granted

  4. 10 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

Studio Hei Architects Agent, an architecture practice

15 applications on PlanIndex · across 5 councils

Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.

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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.

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What this grant of permission means

Lewisham granted permission on 16 December 2025, 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

  • 4 TANNSFELD ROAD, LONDON, SE26 5DF

    DC/22/129775 Submitted 22 Dec 2022 50 yards away

    Change of use of the existing dwelling house (Use Class C3) at 4 Tannsfeld Road, SE26, into a seven bedroom residential care and supported living accommodation (Use Class C2), together with the provision of bike store within the rear outbuilding and refuse storage at the front

    Refused Full applications 9 docs
    Small domestic

  • 26 TANNSFELD ROAD, LONDON, SE26 5DF

    DC/26/142686 Submitted 16 Jan 2026 50 yards away

    Application for a Lawful Development Certificate (Proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes A, B, and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a rear dormer roof extension, the insertion of two rooflights to the front roof slope, and alterations to the existing rear extension including changes to cladding, windows, and door at 26 Tannsfield Road, SE26.

    Granted Lawful development Extension Loft or dormer +1 10 docs

  • 19 TANNSFELD ROAD, LONDON, SE26 5DQ

    DC/26/143587 Submitted 2 Apr 2026 50 yards away

    Construction of single storey rear extension at 19 Tannsfeld Road, SE26.

    Granted Householder Extension 14 docs
    Small domestic

  • 82 NEWLANDS PARK, LONDON, SE26 5NB

    DC/26/145232 Submitted 28 Aug 2026 50 yards away

    84% historically approved · decision due ~26 Oct

    Formation of a private external amenity space comprising the removal of part of the existing flat roof to the rear outrigger and the raising of the rear wall and side pitched roof elements, to provide an approximately 1.8m high privacy enclosure at Flat 4, 82 Newlands Park, London, SE26 5NB.

    Awaiting decision Full applications Extension 27 docs

  • 102 NEWLANDS PARK, LONDON, SE26 5NB

    DC/25/141934 Submitted 27 Oct 2025 50 yards away

    Construction of a single storey extension to the rear of 102 Newlands Park SE26.

    Granted Householder Extension 7 docs
    Small domestic

  • 26 GIRTON ROAD, LONDON, SE26 5DH

    DC/25/142214 Submitted 24 Nov 2025 100 yards away

    Construction of a ground floor wraparound extension, Loft L shape extension, floor plan redesign and all associated works at 26 Girton Road, SE26.

    Granted Householder Extension 6 docs
    Domestic

In Lewisham

  • DC/26/145270 Awaiting decision

    179 CRANSTON ROAD, LONDON, SE23 2EZ

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) Class A of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for construction of single-storey rear extension and the demolition of the existing conservatory to 179 Cranston Road, SE23.

    Received 3 Sep, published by the council 8 Sep 2026 Lawful development
  • DC/26/145177 Awaiting decision

    162 CHUDLEIGH ROAD, LONDON, SE4 1EE

    Application for a Lawful Development Certificate (proposed) submitted under Section 192 of the Town & Country Planning Act 1990 (as amended) and Classes B and C of Schedule 2, Part 1 of the Town and Country Planning (General Permitted Development) (England) Order 2015 (as amended) for the construction of a hip-to-gable extension and rear dormer at 162 Chudleigh Road, SE4 1EE.

    Received 25 Aug, published by the council 28 Aug 2026 Lawful development
  • DC/26/145163 Awaiting decision

    15 BRANGBOURNE ROAD, BROMLEY, BR1 4LL

    Construction of a single-storey rear extension to extend the width of the existing rear extension, installation of a roof lantern, and replacement of the existing outbuilding with an amenity outbuilding at 15 Brangbourne Road, BR1

    Received 24 Aug, published by the council 1 Sep 2026 Lawful development
  • DC/26/145149 Awaiting decision

    288 GROVE STREET, LONDON, SE8 3RF

    Application for a Lawful Development Certificate (Existing) submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 288 Grove Street, SE8, as a self-contained residential dwelling (Use Class C3).

    Received 24 Aug, published by the council 8 Sep 2026 Lawful development
  • DC/26/143983 Granted

    1 SANDROCK ROAD, LONDON, SE13 7TS

    Application for a Lawful Development Certificate existing submitted under Section 191 of the Town & Country Planning Act 1990 (as amended) to establish that the lawful use of 1 Sandrock Road, SE13, is as a small house in multiple occupation for no more than six residents.

    Received 12 May, published by the council 25 Jul 2026 Lawful development