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Planning application

10 Trevelyan Crescent, Harrow, HA3 0RL

Refused Brent 21/0691 Certificate of Lawfulness - Proposed

Works: Extension Small domestic

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

Refused. Only the applicant can appeal, within the statutory time limit, and a revised scheme can be submitted instead.

Proposal

Certificate of lawfulness for proposed single storey rear extension to dwellinghouse.

As published by the council, reference 21/0691

Application record

Reference
21/0691
Type
Certificate of Lawfulness - Proposed
Status
Decided
Decision
Refused As published: Certificate of Lawfulness - Refused
Received
25 Feb 2021
Validated
25 Feb 2021
Decided
22 Apr 2021
Ward
Kenton
Decision by
Delegated Team Manager
Postcode
HA3 0RL

Site history

Applications at this address on the Brent register

This site has had 5 applications since 2021: 1 approved, 4 refused.

  • 21/2868 Refused

    10 Trevelyan Crescent, Harrow, HA3 0RL

    Certificate of lawfulness for proposed single storey rear extension to the dwellinghouse.

    Decided 20 Sep 2021 Lawful development
  • 21/1982 Granted

    10 Trevelyan Crescent, Harrow, HA3 0RL

    Single storey side extension to dwellinghouse.

    Decided 30 Jul 2021 Householder
  • 21/1936 Refused

    10 Trevelyan Crescent, Harrow, HA3 0RL

    Certificate of lawfulness for proposed single storey rear extension to the dwellinghouse.

    Decided 20 Jul 2021 Lawful development
  • 21/0684 Refused

    10 Trevelyan Crescent, Harrow, HA3 0RL

    Proposed front porch, alterations and insertion of new windows on front elevation and partial double storey extension to the dwellinghouse (revised description)

    Decided 22 Apr 2021 Householder

Timeline

Dates from the published record

  1. 25 Feb 2021

    Received by Brent

  2. 22 Apr 2021

    Decision issued: Certificate of Lawfulness - Refused

  3. 20 Aug 2026

    Added to PlanIndex

Who's behind it

Company information only, from the register and Companies House

HOME OFFICE ARCHITECTS Agent, an architecture practice

16 applications on PlanIndex · across 6 councils · 57% granted

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Documents

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

9 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 refusal means

Brent refused this application for the reasons on the decision notice; only the applicant can appeal, and refused schemes often return in revised form. 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

  • 42 Trevelyan Crescent, Harrow, HA3 0RL

    24/2663 Submitted 23 Sep 2024 50 yards away

    Part-demolition of rear extension and proposed single-storey part side and rear extension and conversion of garage into a habitable room with replacement of garage door with windows to the front elevation of the dwellinghouse

    Granted Householder Extension Demolition +1 9 docs
    Small domestic

  • 20 Trevelyan Crescent, Harrow, HA3 0RL

    23/0408 Submitted 6 Feb 2023 50 yards away

    Proposed erection of two-storey rear extension and alterations to patio to dwellinghouse

    Granted Householder Extension 7 docs
    Domestic

  • 32 Trevelyan Crescent, Harrow, HA3 0RL

    20/3822 Submitted 23 Nov 2020 50 yards away

    Proposed alterations to front garden landscaping, formation of one additional off street parking space, and widening of existing cross over to dwellinghouse.

    Refused Householder 10 docs
    Domestic

  • 10 Trevelyan Crescent, Harrow, HA3 0RL

    21/2868 Submitted 26 Jul 2021 50 yards away

    Certificate of lawfulness for proposed single storey rear extension to the dwellinghouse.

    Refused Lawful development Extension 8 docs
    Small domestic

  • 40 Trevelyan Crescent, Harrow, HA3 0RL

    20/3687 Submitted 12 Nov 2020 50 yards away

    Proposed replacement of front windows, porch door and roof tiles to dwellinghouse

    Granted Householder Extension Roofing +1 5 docs
    Small domestic

  • 42 Trevelyan Crescent, Harrow, HA3 0RL

    25/2720 Submitted 24 Sep 2025 50 yards away

    Removal of Magnolia tree from front garden.

    Granted Trees 2 docs

In Brent

  • 26/2285 Awaiting decision

    137 Chatsworth Road, London, NW2 5QT

    Certificate of lawfulness for proposed use as supported housing

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2277 Awaiting decision

    65 The Avenue, Wembley, HA9 9PH

    Certificate of lawfulness for proposed conversion of outbuilding into a gym and sauna and extension to the outbuilding in rear garden of the dwellinghouse.

    Received 8 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2199 Awaiting decision

    Flat 8, 399 Neasden Lane North, London, NW10 0BD

    Certificate of lawfulness for existing use of rear unit 8 as a self-contained flat.

    Received 2 Sep, published by the council 21 Sep 2026 Lawful development
  • 26/2093 Awaiting decision

    17 Buller Road, London, NW10 5BS

    Certificate of lawfulness for proposed alterations to front, side and rear fenestrations including installation of ground floor side oriel window and rear timber door to dwellinghouse

    Received 18 Aug, published by the council 21 Sep 2026 Lawful development
  • 26/1208 Granted

    50 Ballogie Avenue, London, NW10 1TA

    Certificate of lawfulness for proposed rear dormer extension, hip to gable roof extension, alteration to fenestration and installation of rooflights to the dwellinghouse

    Received 13 May, published by the council 25 Jul 2026 Lawful development