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Planning application

26/1544/NMA

17 West Heath Close London NW3 7NJ

Refused Barnet Non Material Amendment

Proposal

Non material amendment to planning permission 25/1578/HSE dated 06.06.2025 for 'First floor side extension with crown roof. Changes to fenestration' Amendments include raising boundary wall of no. 16 to increase ground floor ceiling height, removal of first floor shutters and garage render, installation of new garage door and new soft landscaping to the front garden

As published by the council, reference 26/1544/NMA

Timeline

Dates from the published record

  1. 24 Apr 2026

    Received by Barnet

  2. 27 Apr 2026

    Validated

    Checked as complete and ready for consideration.

  3. 12 May 2026

    Decision issued: Refuse

  4. 25 Jul 2026

    Added to PlanIndex

What refusal means

The process from here

The council refused this application for the reasons set out on the decision notice, which the council portal holds in full. Only the applicant can appeal a refusal; the time limit runs from the decision date and is shorter for householder schemes.

Refusal does not prevent a fresh attempt. Applicants often address the reasons for refusal and resubmit, so a refused scheme is not necessarily the end of proposals for the site.

About amendments applications

How this application type works

An amendment application changes a permission that already exists. Non-material amendments cover small adjustments with no wider effect, while minor material amendments, usually made by varying a condition, allow modest design changes without a fresh application. Anything beyond that needs a new permission, so the scope here is deliberately narrow.

More on amendments applications in our guide

Nearby applications

Within 500 metres

  • 2013/6815/T Granted

    40 Platts Lane London NW3 7NT

    FRONTING ROSECROFT AVENUE: 1 x Leylandii Hedge - Reduce by 50%. 1 x Ash - Fell. FRONT GARDEN: 1 x Ash - Fell. 1 x Ceonuthus - Remove rear limb and trim. 1 x Privet Hedge - Reduce to gutter level.

    28 Nov 2013 142m away Trees
  • 2012/4128/P Granted

    40 Platt's Lane London NW3 7NT

    Erection of single storey side and rear extension following the demolition of existing side extension, and installation of three rooflights to the front and rear roofslopes of dwelling house (Class C3).

    12 Nov 2012 142m away Full applications
  • 2016/1686/P Granted

    40 Platt's Lane London NW3 7NT

    Provision of details to satisfy tree conditions 3 and 4 of 2015/4881/P dated 09/03/2016 for; Erection of new brick wall with timber fencing, timber gates and a new driveway hardstanding, with associated tree works.

    21 Jun 2016 142m away Full applications
  • 2013/6231/T Granted

    40 Platts Lane London NW3 7NT

    FRONTING ROSECROFT AVENUE: 1 x Leylandii Hedge - Reduce to 8m. FRONT GARDEN: 1 x Ash - Reduce to previous points of reduction shape in. 1 x Goat Willow - Fell to ground level.

    7 Nov 2013 142m away Trees
  • 2015/4881/P Granted

    40 Platt's Lane London NW3 7NT

    Erection of new brick wall with timber fencing, timber gates and a new driveway hardstanding, with associated tree works.

    9 Mar 2016 142m away Full applications
  • 2012/5445/T Granted

    40 Platt's Lane London NW3 7NT

    WITHIN THE GROUNDS: 1 x Ceanothus - Remove. 3 x Ash - Remove. 1 x Leyland Cypress Hedge - Remove. 1 x Sycamore - Remove.

    18 Oct 2012 142m away Trees

In Barnet

  • 26/2811/NMA Awaiting decision

    74 Sunnyfield London NW7 4RG

    Non material amendment to planning permission 26/1193/HSE dated 22/05/2026 for 'First floor side extension. First floor rear extension including rear pitched roof and rear dormer window. Alterations and extensions to roof including new pitched roof over existing first floor side flat roof and 2no. rear dormer windows. Conversion of garage into habitable space including creation of new front entrance. New access steps to front. New rear raised patio and associated steps to garden. Removal of chimneys' Amendments includes the addition of 4no. rooflights to rear roofslope

    30 Jul 2026 Amendments
  • 26/2827/NMA Awaiting decision

    1 Parson Street London NW4 1QD

    Non material amendment to planning permission 22/3014/FUL dated 10/10/2023 for 'Demolition of existing building and construction of part three/part four storey mixed use building comprising 8 residential units and office floorspace at ground floor level. Associated amenity space, refuse storage, cycle parking and off-street parking'. Amendments includes internal re-configuration, external fenestration alterations and relocation of internal facilities

    30 Jul 2026 Amendments
  • 26/2800/RCU Awaiting decision

    1A Sutton Crescent Barnet EN5 2SW

    Erection of a rear outbuilding (Retrospective application)

    29 Jul 2026 Amendments
  • 26/2738/NMA Awaiting decision

    198 - 199 Lawrence Street London NW7 4JH

    Non-material amendments to planning permission reference 20/1322/FUL dated 11/05/20 for 'Demolition of existing houses and single storey Class B1 building. Erection of three storey building and basement to provide 9 flats, provision of basement car parking spaces and cycle storage spaces. Erection of a two storey Class B1 building.' Amendments include changes to the first floor windows of the B1 office accommodation to allow openable clear glazing

    24 Jul 2026 Amendments
  • 26/2707/NMA Awaiting decision

    87 Wentworth Road London NW11 0RH

    Non-material amendments to planning permission reference 24/2672/FUL dated 10/09/24 for 'Demolition of the existing dwelling (Retrospective) and erection of a two storey dwelling with rooms in the roofspace. Changes to existing levels and new front vehicular access to provide off-street parking.' Amendments include changes to fenestration

    22 Jul 2026 Amendments