Planning application
4 Harmsworth Way London N20 8JU
Works: Extension Loft or dormer Windows or glazing Small domestic
Read from the description, not a valuation. How we read the register
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Single storey front extension, lean to side extension. Part single, part two storey rear extension with 1no rooflight. Conversion of the garage to a habitable room insertion of window to replace 1no. garage door. Changes to fenestration. Changes to garden levels involving new patio area.
As published by the council, reference 25/3367/HSE
Application record
- Reference
- 25/3367/HSE
- Type
- Householder Application
- Status
- Approved subject to conditions
- Decision
- Approve subject to conditions
- Received
- 12 Aug 2025
- Validated
- 12 Aug 2025
- Decided
- 6 Oct 2025
- Ward
- Totteridge & Woodside
- Decision by
- Delegated Decision
- Postcode
- N20 8JU
Site history
Applications at this address on the Barnet register
This site has had 2 applications since 2025: 1 approved, 0 refused.
-
25/5042/NMA Withdrawn
4 Harmsworth Way London N20 8JU
Non material amendment to planning permission 25/3367/HSE dated 06/10/2025 for `Single storey front extension, lean to side extension. Part single, part two storey rear extension with 1no rooflight. Conversion of the garage to a habitable room insertion of window to replace 1no. garage door. Changes to fenestration. Changes to garden levels involving new patio area.` Amendments include garage door to be replaced with window
Timeline
Dates from the published record
-
12 Aug 2025
Received by Barnet
-
6 Oct 2025
Decision issued: Approve subject to conditions
-
10 Aug 2026
Added to PlanIndex
Related applications
Cases linked to this one on the register
1 later application on the register refers to this one:
-
25/5042/NMA Withdrawn
4 Harmsworth Way London N20 8JU
Non material amendment to planning permission 25/3367/HSE dated 06/10/2025 for `Single storey front extension, lean to side extension. Part single, part two storey rear extension with 1no rooflight. Conversion of the garage to a habitable room insertion of window to replace 1no. garage door. Changes to fenestration. Changes to garden levels involving new patio area.` Amendments include garage door to be replaced with window
Who's behind it
Company information only, from the register and Companies House
Agent on file, a design practice registered in Pinner
2 applications on PlanIndex
Trade members see who it is, their full track record, and every application they have filed.
See who's behind itDocuments
Plans, drawings, consultee responses and the officer's report
28 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 documentsWhat this grant of permission means
Barnet granted permission on 6 October 2025, 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.
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
-
4 Harmsworth Way London N20 8JU
Non material amendment to planning permission 25/3367/HSE dated 06/10/2025 for `Single storey front extension, lean to side extension. Part single, part two storey rear extension with 1no rooflight. Conversion of the garage to a habitable room insertion of window to replace 1no. garage door. Changes to fenestration. Changes to garden levels involving new patio area.` Amendments include garage door to be replaced with window
Withdrawn Amendments Extension Loft or dormer +1 4 docsSmall domestic -
22 Harmsworth Way London N20 8JU
79% historically approved · decision due ~25 Aug
Implementation of planning permission 17/5495/FUL dated for 18/01/2018 `Demolition of existing dwelling and erection of a new two storey plus basement level and rooms in roofspace dwelling. Associated refuse and recycling store.`
Awaiting decision DemolitionDomestic -
16 Harmsworth Way London N20 8JU
Erection of a single storey front extension, part single, part two storey rear extension including inset terrace. Alterations and extensions to the roof including the raising of the ridge height, insertion of roof lights and erection of a rear dormer window to facilitate a loft conversion. Alterations and extensions to the rear patio including the reconfiguration of the existing swimming pool area
Granted Householder Extension Loft or dormer +2 17 docsSmall domestic -
Crofters 45 Pine Grove London N20 8LA
1 x Laurel (applicants ref. T1) - Reduce height a foot below guttering. (exempt works shrub) 1 x Ash (applicants ref. T2) - Cut back to previous points of reduction. 1 x Dead Tree (applicants ref. T3) - Remove. (exempt) 1 x Sycamore (applicants ref. T4) - Remove ivy and reduce by 1 meters 1 x Ash (applicants ref. T5) - Crown reduce by 2 meters 1 x Corkscrew Willow (applicants ref. T6) -Take weight off of leaning limb and balance and remove dead wood reduce overhanging limb by 2 and a half metres and rest of tree by 1 and half metres 1 x Leylandii (applicants ref. T7) - Reduce by 4 metres and shape. 1 x Conifer (applicants ref. T8) - Reduce height by 1 metre. 3 x Himalayan Birch (applicants ref. T9) - Thin crown by 15%. 1 x Holly (applicants ref. T10) - Reduce by 2 metres and shape. (Amended description)
Decided Trees 5 docs -
Scotswood Pine Grove London N20 8LA
79% historically approved · decision due ~27 Aug
1 x Laurel (applicants ref. T1) - Reduce height by 2-2.5m to let more light into the garden. (Exempt shrub) 1 x Holly (applicants ref. T2) - Reduce height by 4m to let more light into the garden. 1 x Monterey Cypress (applicants ref. T3) - Remove lowest two layers of branches (6 branches) to improve view of the Crab Apple.
Awaiting decision -
The Needles 46 Pine Grove London N20 8LA
77% historically approved · decision due ~22 Dec
Part single part two storey rear with new patio area. New crown roof extension including front and rear dormer window with lower roof set down over extended area, 2no. on main roof, 2no. side facing, 2no. rear facing rooflights. 2no. side facing skylights. Installation of solar panels to main roof. New pitched roof to existing garage and single storey rear existing. New front porch extension. Replacement of existing windows. Erection of a rear outbuilding with 1no.rooflight and solar panels following the demolition of existing outbuildings
Awaiting decision Householder Extension Loft or dormer +2 29 docsSmall domestic
Other householder applications
In Barnet
-
26/3249/HSE Awaiting decision
19 Rushdene Avenue Barnet EN4 8EN
New front vehicular access and hardstanding to provide off-street parking space. New retaining wall following demolition of the existing wall and raised planted beds
-
26/3235/HSE Awaiting decision
26 Mount Pleasant Barnet EN4 9HH
Replace existing flat roof at ground floor rear elevation with pitched roof and 2no. rooflights
-
26/3222/HSE Awaiting decision
46 Michleham Down London N12 7JN
Single storey side/rear extension with 3no. rooflights following demolition of the existing storage/utility structure. Changes to fenestration
-
26/3219/HSE Awaiting decision
53 Tudor Road Barnet EN5 5NW
First floor rear extension with front and rear rooflights. Roof extension over existing garage
-
26/3210/HSE Awaiting decision
47 Pattison Road London NW2 2HL
New front vehicular access to provide off-street parking. Removal of existing gate and shed, alterations to the existing front boundary wall and installation of close board fencing panels.