Planning application
20 St Marys Crescent London NW4 4LH
Works: Extension Demolition 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
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.95 metres, following the demolition of the existing single storey extension.
As published by the council, reference 25/4111/PNH
Application record
- Reference
- 25/4111/PNH
- Type
- Prior Notification (Householder)
- Status
- Prior Approval Required and Refused
- Decision
- Refused As published: Prior Approval Required and Refused
- Received
- 13 Oct 2025
- Validated
- 13 Oct 2025
- Decided
- 17 Nov 2025
- Ward
- Hendon
- Decision by
- Delegated Decision
- Postcode
- NW4 4LH
Timeline
Dates from the published record
-
13 Oct 2025
Received by Barnet
-
17 Nov 2025
Decision issued: Prior Approval Required and Refused
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
henry planning ltd Agent, a planning consultancy registered in Barnet
Active · incorporated 2016 · Barnet
72 applications on PlanIndex · across 11 councils · 65% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
13 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 documentsWhat this refusal means
Barnet 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 prior approval applications
Prior approval applies where permitted development rights already grant the principle of the work, leaving the council only the specific matters the rules name, commonly within 56 days. More in our guide to planning application types.
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Non material amendment to planning permission 25/1930/HSE dated 03/07/2025 for 'Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys'. Amendments includes alterations on render to facing brick, velux's missing from the elevation which were on approved layout & internal alterations
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32 Greyhound Hill London NW4 4JP
Variation of condition 3 (Materials) of planning permission reference 25/1930/HSE dated 03/07/2025 for Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys. Variation to include change to facing brickwork
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34 Greyhound Hill London NW4 4JP
93% historically approved · decision due ~11 Mar
Variation of condition 1 (Approved Plans) pursuant to planning permission 24/4150/HSE dated 12/12/2024 for `Part single, part two storey side extension following the demolition of existing garage/side extension. Single storey rear extension. Single storey front extension and new front porch.` Amendmend to approved flat roof, terrace area, parapet added to flank walls, changes to approved fenestration and installation of side and rear rooflight
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Other prior approval applications
In Barnet
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26/3823/PNH Awaiting decision
7 Southbourne Crescent London NW4 2LB
Single storey rear extension added to an existing extension with the total extension measuring 6.00 metres deep, with a maximum height of 3.00 metres and an eaves height of 3.00 metres.
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26/3809/PND Awaiting decision
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Demolition of existing garage and attached pitched-roof structure
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26/3819/PNH Awaiting decision
78 Russell Lane London N20 0AP
2no. Single storey rear extensions with a proposed depth of 7.00 metres, maximum height of 3.60 metres and eaves height of 3.00 metres. Following demolition of the existing side/rear outrigger.
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26/3787/PNH Awaiting decision
8 Wessex Gardens London NW11 9RT
2no. single-storey rear extensions with a proposed depth of 6.00 metres, a maximum height of 4.00 metres and an eaves height of 3.00 metres, following the demolition of the existing rear bay window.
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26/3696/PNH Awaiting decision
14 Langford Road Barnet EN4 9DS
Single storey rear extension with a proposed depth of 5 metres, maximum height of 3.97 metres and eaves height of 2.6 metres