65 Muswell Hill Place, Hornsey, London, N10 3RP

1. 15 Dec 2025

   Received by Haringey

2. 21 Jan 2026

   Decision issued: Permitted Development

3. 24 Jul 2026

   Added to PlanIndex

Haringey granted permission on 21 January 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.

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.

• 67 Muswell Hill Place, Hornsey, London, N10 3RP

  HGY/2023/0274 Submitted 27 Jan 2023 50 yards away

  Certificate of lawfulness for the formation of a rear dormer, hip to gable extension including the insertion of 3 front rooflights - proposed use

  Granted Lawful development Extension Loft or dormer 15 docs

• 47 Muswell Hill Place, Hornsey, London, N10 3RP

  HGY/2026/1830 Submitted 30 Jun 2026 50 yards away

  Erection of a single storey rear extension and alterations to the rear garden.

  Granted Householder Extension 6 docs
  Small domestic

• 35, Muswell Hill Place, London, N10 3RP

  HGY/2021/2403 Submitted 27 Jul 2021 50 yards away

  Replacement of existing front porch with new front porch (certificate of lawfulness: proposed use)

  Granted Lawful development Extension 14 docs
  Small domestic

• 5, Alexandra Gardens, London, N10 3RN

  HGY/2021/1550 Submitted 17 May 2021 50 yards away

  Retrospective application for retention with alterations of rear dormer with linked roof extension, repositioning of stairs from first floor to access rear garden.

  Granted Full applications Extension Loft or dormer 13 docs

• 65, Hillfield Park, London, N10 3QU

  CON/2021/0229 Submitted 17 May 2021 100 yards away

  T1: Eucalyptus (14m): Fell to ground level as client would like to plant a more appropriate tree for the size of the garden T2: Crab Apple (5m): Crown reduce by 1m as part of regular maintenance and to keep tree at a size suitable for its location

  Granted Trees 3 docs

• 71 Hillfield Park, Hornsey, London, N10 3QU

  HGY/2022/4515 Submitted 22 Dec 2022 100 yards away

  Replacement of existing single glazed windows and doors to the ground floor flat with new timber double glazed windows and doors to match the existing.

  Granted Full applications Windows or glazing 12 docs

• HGY/2026/2285 Granted

  13 Woollaston Road, Hornsey, London, N4 1SD

  Certificate of Lawfulness (proposed) for loft conversion with rear dormer extension.

  Received 14 Aug, published by the council 22 Aug 2026 Lawful development
• HGY/2026/2357 Granted

  40 Falmer Road, Tottenham, London, N15 5BA

  Lawful development Certification for proposed erection of rear roof extension and insertion of front rooflight

  Received 21 Aug, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2692 Granted

  125 High Cross Road, Tottenham, London, N17 9NR

  Lawful development: Proposed use for change of use within Class E to a Nail shop (Class E(c)(iii))

  Received 29 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2637 Granted

  30 Gloucester Road, Tottenham, London, N17 6DH

  Lawful development: Proposed use. Loft conversion including 2x roof lights and L-shaped box dormer to the rear roof slopes with materials to match existing materials on main roof

  Received 21 Sep, published by the council 4 Oct 2026 Lawful development
• HGY/2026/2420 Granted

  50 St Loys Road, Tottenham, London, N17 6UD

  Certificate of Lawfulness: Proposed erection of an L-shaped rear dormer including the insertion of 2nos. front rooflights.

  Received 28 Aug, published by the council 7 Sep 2026 Lawful development