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Planning application

18 Muswell Avenue, Hornsey, London, N10 2EG

Awaiting decision Haringey HGY/2026/1048 Householder planning permission

Works: Extension Windows or glazing Small domestic

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

Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.

Proposal

Erection of a single storey rear extension with roof terrace, alterations and replacement of rear fenestrations, and alterations to front garage door and lower ground window.

As published by the council, reference HGY/2026/1048

Application record

Reference
HGY/2026/1048
Type
Householder planning permission
Status
Under Consultation
Received
15 May 2026
Validated
15 May 2026
Ward
Fortis Green
Decision by
Delegated Decision
Postcode
N10 2EG

Timeline

Dates from the published record

  1. 15 May 2026

    Received by Haringey

  2. 24 Jul 2026

    Added to PlanIndex

  3. Decision

    Awaiting decision

    Decision expected by 10 July 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.

    Haringey took a median of 53 days over the applications it decided in the last year.

Documents

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

8 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.

Trade members open them from here.

Open the documents

What happens while it is decided

This application is with Haringey for determination, against a statutory target of eight weeks. Over the last year Haringey decided householder applications in a median of 56 days. More in our guide to how long planning decisions take.

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 500 metres

  • 22 Muswell Avenue, Hornsey, London, N10 2EG

    HGY/2026/2008 Submitted 16 Jul 2026 0m away

    T1- Neighbours Hazel tree- prune back overhanging branches back to boundary. T2- Neighbours Ash tree- Prune back low overhanging branches with poles from ground level by up to 2m. T3- Neighbours shrubs - Prune back overhang close to boundary. G1- Pleached Portugese Laurels - Prune back all sides and top to bring back into shape. T4- Street tree- Maple- Reduce branches overhanging front garden back to boundary.

    Granted Trees 10 docs
  • 20 Muswell Avenue, Hornsey, London, N10 2EG

    HGY/2026/1073 Submitted 16 Apr 2026 0m away

    T1 - holm oak tree (8m) - reduce crown by approximately 1.5m and thin crown by approximately 20%. T2 - bay tree (6m) - reduce height by approximately 2m and trim sides. T3 - bay tree (6m) - reduce height by approximately 2m and trim sides. T4 - bay tree (4m) - reduce crown by approximately 1m.

    Granted Trees 6 docs
  • Norfolk House School, 10 Muswell Avenue, Hornsey, London, N10 2EG

    HGY/2026/0824 Submitted 24 Mar 2026 0m away

    T4 Cypress of the submitted MWA Arboricultural Report Works: Remove (fell) to near ground level and treat stump to inhibit regrowth. Reason: Clay shrinkage subsidence damage at the subject property.

    Decided Trees 8 docs
  • 28 Muswell Avenue, Hornsey, London, N10 2EG

    HGY/2026/2380 Submitted 25 Aug 2026 0m away

    99% historically approved · decision due ~20 Oct

    Willow (T1): Re-pollard Ash (T2): Reduce to previous points

    Awaiting decision Trees 2 docs
  • 1 Muswell Avenue, Hornsey, London, N10 2EB

    HGY/2025/3443 Submitted 10 Dec 2025 45m away

    T1 sycamore. Previously reduced tree with extensive decay in trunk. Application is to reduce trunk to fence level to maintain wildlife habitat and maintain some new low growth

    Granted Trees 5 docs
    Small domestic
  • Ground Floor Flat, 21 Coniston Road, Hornsey, London, N10 2BL

    HGY/2026/0134 Submitted 12 Feb 2026 55m away

    Erection of single storey ground floor rear extension

    Granted Householder Extension 15 docs
    Small domestic

In Haringey

  • HGY/2026/2282 Awaiting decision

    77 Falkland Road, Hornsey, London, N8 0NS

    Single storey side and rear extension.

    14 Sep 2026 Householder
  • HGY/2026/2059 Granted

    21 Shanklin Road, Hornsey, London, N8 8TJ

    Single Storey Rear Extension

    20 Jul 2026 Householder
  • HGY/2026/2162 Granted

    71 Fairfax Road, Hornsey, London, N8 0NH

    Erection of L-shaped rear dormer; erection of single storey rear extension; 2 no. front roof lights.

    30 Jul 2026 Householder
  • HGY/2026/1895 Granted

    396 St Anns Road, Tottenham, London, N15 3ST

    Erection of single storey side infill extension, formation of dormer window and insertion of 4 nos. rooflights (3no. front facing and 1no. rear facing).

    17 Jul 2026 Householder
  • HGY/2026/1959 Granted

    10 Roseberry Gardens, Tottenham, London, N4 1JJ

    Erection of a single storey rear and side wraparound extension, formation of dormer window and insertion of 3 nos. rooflights to front roof slope (amended).

    17 Jul 2026 Householder