Planning application
101 Chandos Avenue London N20 9EG
Works: Extension Loft or dormer Windows or glazing
Permission granted. Work must normally begin within three years of the decision or the permission lapses.
Proposal
Roof extension involving partial hip to gable to either side, rear dormer window with juliette balcony and 3no. front facing rooflights. Removal of chimney stacks
As published by the council, reference 26/0335/192
Application record
- Reference
- 26/0335/192
- Type
- Proposed Lawful Development Certificate
- Status
- Lawful
- Decision
- Granted As published: Lawful
- Received
- 28 Jan 2026
- Validated
- 23 Feb 2026
- Decided
- 23 Mar 2026
- Ward
- Whetstone
- Decision by
- Delegated Decision
- Postcode
- N20 9EG
Timeline
Dates from the published record
-
28 Jan 2026
Received by Barnet
-
23 Feb 2026
Validated
Checked as complete and ready for consideration.
-
23 Mar 2026
Decision issued: Lawful
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Steven Gray Design Limited Agent, a design practice
60 applications on PlanIndex · across 6 councils · 82% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
11 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.
Watch members (£5 a month) open the document list from here.
Open the documentsWhat this grant of permission means
Barnet granted permission on 23 March 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.
About lawful development applications
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.
Nearby applications
Within 0.3 miles
-
118 Netherlands Road Barnet EN5 1BX
77% historically approved · decision due ~27 Nov
Part single, part two storey side and rear extension including a lantern rooflight to ground floor rear roof, following demolition of the existing lean to and rear garage. Associated alterations and extensions to roof including rear dormer window, and 1no. rooflight to front, rear and side roofslopes. Alterations to hard and soft landscaping to rear garden including new rear patio
Awaiting decision Householder Extension Loft or dormer +2 23 docsDomestic -
79 Chandos Avenue London N20 9EG
79% historically approved · decision due ~2 Nov
Submission of details of conditions 5 (Refuse/recycling storage) 6 (Cycle parking/storage) 7 (Hard and soft landscaping) 12 (Enclosure/boundary treatment) 17 (Parking layout) 18 (ecological enhancement features )19 (details of a Low Impact Lighting) 20 (Hedgehog highways) pursuant to planning permission 25/2414/S73 dated 03/09/2025
Awaiting decision 3 docs -
79 Chandos Avenue London N20 9EG
93% historically approved · decision due ~5 Nov
Submission of details of conditions 4 (Levels), 8 (Tree Protection Plan) and 9 (Demolition and Construction Management and Logistics Plan) pursuant to planning permission 25/2414/S73 dated 03/09/25
Awaiting decision Conditions Demolition Trees 3 docs -
-
On Grass Outside 74 - 76 Buckingham Avenue London N20 9DH
Installation of 1no. 12m wooden pole
Withdrawn 1 doc -
Fairfield Oakleigh Park North London N20 9AW
79% historically approved · decision due ~12 Oct
1 x Oak (applicants ref. T1) - Safely reduce branches overhanging Chandos Avenue back to strong growth by approx. 5m to strong growth, as shown on Photo B. Standing in Group G5 of Tree Preservation Order. (Amended descriptions) 1 x Horse Chestnut (applicants ref. T2) - Reduce main stems overhanging Chandos Avenue by approx. 2m, as shown Photo A. Standing in Group G5 of Tree Preservation Order. (Amended descriptions)
Awaiting decision Trees
Other lawful development applications
In Barnet
-
26/2679/192 Granted
21 Myddelton Park London N20 0JH
Single storey rear extension and increase in ridge height of existing rear outrigger (Amended description).
-
26/1362/191 Refused
145 Cotswold Gardens London NW2 1PL
Use as a House in Multiple Occupation (HMO) for 6 people
-
26/1907/191 Granted
8 Golders Manor Drive London NW11 9HT
Use of the property as a self-contained residential unit at ground floor level and the first and second floors as a 4-bedroom, 4-person House in Multiple Occupation (Sui Generis) (AMENDED DESCRIPTION)
-
26/2392/192 Refused
6 Mostyn Road Edgware HA8 0JD
New front hardstanding and vehicular access to provide off-street parking
-
26/2059/192 Refused
Low Ridge Rowley Lane Barnet EN5 3HS
Erection of a rear outbuilding