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Planning application

4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

Granted Greenwich 26/0089/HD Householders

Works: Extension Loft or dormer Windows or glazing Small domestic

Read from the description, not a valuation. How we read the register

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

Proposal

Removal of render, and existing shed, construction of a single storey rear extension and part first floor rear extension, with installation of rooflights, enlargement of ground floor side elevation window and all associated works. (This application may affect the setting of various locally listed and grade 2 listed buildings nearby)

As published by the council, reference 26/0089/HD

Application record

Reference
26/0089/HD
Type
Householders
Status
Decided
Decision
Granted As published: Approve
Received
12 Jan 2026
Validated
12 Jan 2026
Decided
9 Mar 2026
Ward
GREENWICH PARK
Parish
Greenwich
Decision by
Delegation
Postcode
SE10 8QN

Site history

Applications at this address on the Greenwich register

This site has had 6 applications since 2025: 5 approved, 1 refused.

  • 26/2184/CP Granted

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    Certificate of Lawfulness (Proposed) to re-build the front garden wall in brickwork and of a heig...

    Decided 16 Sep 2026
  • 26/1367/NM Granted

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-mate...

    Decided 14 Jul 2026
  • 26/0946/TC Granted

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    T1 - Ginkgo Biloba - Crown reduction by appr.30%. Appr. 2m - 2.5m height, and 1.5-2m sides. From 9m to appr. 6.5-7m height.

    Decided 22 Apr 2026 Trees
  • 26/0799/NM Granted

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material amendment in connection with the planning permission dated 09/03/2026 (Ref: 26/0089/HD) for Removal of render, and existing shed, construction of a single storey rear extension and part first floor rear extension, with installation of rooflights, enlargement of ground floor side elevation window and all associated works, to allow: -2.no windows added to the side elevation of the ground floor extension. -Enlargement of the proposed glazed doors to the rear elevation of the ground floor extension. [Amended Description]

    Decided 13 Apr 2026 Amendments
  • 25/3525/HD Refused

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    Construction of an L shaped ground floor extension, first floor rear extension along with replacement windows and replacement of roof tiles and associated rooflights (amended description)

    Decided 18 Dec 2025 Householder

Timeline

Dates from the published record

  1. 12 Jan 2026

    Received by Greenwich

  2. 9 Mar 2026

    Decision issued: Approve

  3. 11 Aug 2026

    Added to PlanIndex

Cases linked to this one on the register

1 later application on the register refers to this one:

  • 26/0799/NM Granted

    4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material amendment in connection with the planning permission dated 09/03/2026 (Ref: 26/0089/HD) for Removal of render, and existing shed, construction of a single storey rear extension and part first floor rear extension, with installation of rooflights, enlargement of ground floor side elevation window and all associated works, to allow: -2.no windows added to the side elevation of the ground floor extension. -Enlargement of the proposed glazed doors to the rear elevation of the ground floor extension. [Amended Description]

    Decided 13 Apr 2026 Amendments

Who's behind it

Company information only, from the register and Companies House

UNFOLD Architecture + Design Ltd Agent, an architecture practice registered in London

Active · incorporated 2017 · London

28 applications on PlanIndex · across 5 councils · 87% granted

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

See their track record

Documents

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

21 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

Greenwich granted permission on 9 March 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 householder applications

Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.

Nearby applications

Within 0.3 miles

  • LANE HOUSE, 16 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    25/3396/TP Submitted 13 Oct 2025 50 yards away

    Statement of work G1 Himalayan Birch - Group of 3 trees across the front of the property: To reduce lateral branches in contact with the building to give at least 1M clearance. G2 Mixed hedge - Right hand side of property: To prune/trim growth back to maintain 1.5M clearance from the property. T2 Holly - LHB: Crown Reduction - To reduce the overall height by up to 2M and shape the upper canopy. To remove large clumps of Clematis growing through the canopy. T3 Common Horse Chestnut ? LHB: Crown lift - To raise the lower canopy over neighbouring gardens to 3.5M from ground level (on clients side only). T4 Hazel - Rear right hand corner of property: To coppice at ground level so that it can be maintained in a smaller size due to proximity to building. Reason for work ? General maintenance (EXEMPT BUT WILL REQUIRE REPLACEMENT - T1 Elm- Right hand side of driveway: Dead tree (DED) - To carefully section fell as close to ground level as possible)

    Granted Trees 13 docs

  • LANE HOUSE, 16 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    25/3374/TC Submitted 10 Oct 2025 50 yards away

    Statement of work: T1 Maple - Rear LHB: Crown reduction - To reduce the overall canopy by up to 1.5 metres, shaping accordingly and remove major deadwood. T2 Conifer - Rear LHB: To carefully section fell as close to ground level as possible. T3 Magnolia - Rear garden patio area: To reduce a selection of laterals extending towards the property by up to 1 metre.

    Withdrawn Trees

  • 5 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    23/0230/HD Submitted 23 Jan 2023 50 yards away

    Construction of single storey rear extension and 3 storey side extension with interior alterations and landscaping

    Granted Householder Extension 21 docs
    Small domestic

  • 13 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    25/2962/TC Submitted 9 Sep 2025 50 yards away

    Lawson Cypress over growing into our garden and neighbours garden which is restricting natural sunlight. We get is pruned every 2 years or so to maintain the tree. We would like to prune the tree by approx 25% overall in order to reduce the height by approximately 1 metre and 0.6 metre off the spread.

    Granted Trees 4 docs

  • 4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    25/3525/HD Submitted 22 Oct 2025 50 yards away

    Construction of an L shaped ground floor extension, first floor rear extension along with replacement windows and replacement of roof tiles and associated rooflights (amended description)

    Refused Householder Extension Loft or dormer +2 20 docs
    Domestic

  • 4 DIAMOND TERRACE, GREENWICH, LONDON, SE10 8QN

    26/0799/NM Submitted 12 Mar 2026 50 yards away

    An application submitted under Section 96a of the Town & Country Planning Act 1990 for a non-material amendment in connection with the planning permission dated 09/03/2026 (Ref: 26/0089/HD) for Removal of render, and existing shed, construction of a single storey rear extension and part first floor rear extension, with installation of rooflights, enlargement of ground floor side elevation window and all associated works, to allow: -2.no windows added to the side elevation of the ground floor extension. -Enlargement of the proposed glazed doors to the rear elevation of the ground floor extension. [Amended Description]

    Granted Amendments Extension Loft or dormer +1 14 docs
    Small domestic

In Greenwich

  • 26/2559/HD Awaiting decision

    69 WELTON ROAD, PLUMSTEAD, LONDON, SE18 2JE

    Construction of first floor side extension and associated works.

    Received 1 Sep, published by the council 8 Sep 2026 Householder
  • 26/2485/HD Awaiting decision

    13 KEMSING ROAD, GREENWICH, LONDON, SE10 0LL

    Construction of a single storey side and rear extension in brick and replacement of existing dwarf wall with a bike and bin storage to the front..

    Received 20 Aug, published by the council 9 Sep 2026 Householder
  • 26/2437/HD Awaiting decision

    53 COLEPITS WOOD ROAD, ELTHAM, LONDON, SE9 2QJ

    Construction of a single storey rear extension, first floor side extension, garage conversion to a habitable room and a rear domer loft conversion with two rooflights to front roofslope.

    Received 17 Aug, published by the council 27 Aug 2026 Householder
  • 26/2411/HD Awaiting decision

    65 VANBRUGH PARK, BLACKHEATH, LONDON, SE3 7JQ

    Replacement of door and window on the lower ground rear elevation with a double- glazed timber window and door, replacement of all windows and doors with like for like double glazed timber units, enlargement of patio area at the lower ground floor level along with glass balustrade around it at garden level, alteration to the stairs and railing at the rear leading to the upper ground floor level, and the installation of a new resin-bound front driveway with brick edging.

    Received 13 Aug, published by the council 27 Aug 2026 Householder
  • 26/2397/HD Awaiting decision

    25 GLOUCESTER CIRCUS, GREENWICH, LONDON, SE10 8RY

    Construction of mansard roof extension and loft conversion with associated demolition; external repair works and refurbishment and all associated works.

    Received 11 Aug, published by the council 3 Sep 2026 Householder