Planning application
180 Cat Hill Barnet EN4 8HU
Works: Extension 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 rear extension with a proposed depth of 4.45 metres, maximum height of 3.0 metres and eaves height of 2.8 metres.
As published by the council, reference 25/4134/PNH
Application record
- Reference
- 25/4134/PNH
- Type
- Prior Notification (Householder)
- Status
- Prior Approval Not Required
- Decision
- Prior Approval Not Required
- Received
- 14 Oct 2025
- Validated
- 14 Oct 2025
- Decided
- 21 Nov 2025
- Ward
- East Barnet
- Decision by
- Delegated Decision
- Postcode
- EN4 8HU
Site history
Applications at this address on the Barnet register
This site has had 4 applications since 2021: 3 approved, 1 refused.
-
25/4135/HSE Granted
180 Cat Hill Barnet EN4 8HU
Single storey side/rear extension (amended)
-
25/3390/PNH Refused
180 Cat Hill Barnet EN4 8HU
Single storey rear extension with a depth of 4.50 metres, maximum height of 3.40 metres and eaves height of 3.20 metres. Adjoining onto the existing extension.
-
TPP/0780/21 Granted
180 Cat Hill Barnet EN4 8HU
1 x Chestnut (applicant's ref. T1) - Lift to 3.8 meters. Thin by 25%. Standing in T1 of Tree Preservation Order.
Timeline
Dates from the published record
-
14 Oct 2025
Received by Barnet
-
21 Nov 2025
Decision issued: Prior Approval Not Required
-
10 Aug 2026
Added to PlanIndex
Who's behind it
Company information only, from the register and Companies House
Agent on file, an architecture practice
41 applications on PlanIndex · across 7 councils · 63% granted
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
6 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 21 November 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 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.
Nearby applications
Within 500 metres
-
180 Cat Hill Barnet EN4 8HU
Single storey rear extension with a depth of 4.50 metres, maximum height of 3.40 metres and eaves height of 3.20 metres. Adjoining onto the existing extension.
Refused Prior approval Extension 6 docsSmall domestic -
180 Cat Hill Barnet EN4 8HU
Single storey side/rear extension (amended)
Granted Householder Extension 6 docsSmall domestic -
180 Cat Hill Barnet EN4 8HU
1 x Chestnut (applicant's ref. T1) - Lift to 3.8 meters. Thin by 25%. Standing in T1 of Tree Preservation Order.
Granted Trees 3 docs -
74 Mansfield Avenue Barnet EN4 8QF
77% historically approved · decision due ~10 Dec
First floor rear extension with juliette balcony and addition of two new windows openings. Conversion of the existing garage into habitable room, insertion of window to replace the garage door
Awaiting decision Householder Extension Windows or glazing 10 docsDomestic -
74 Mansfield Avenue Barnet EN4 8QF
77% historically approved · decision due ~4 Mar
First floor rear extension with juliette balcony and addition of two new windows openings. Reduction of ridge height of main roof of house to its original level
Awaiting decision Householder Extension Roofing +1 9 docsDomestic -
7 Vernon Crescent Barnet EN4 8QG
77% historically approved · decision due ~17 Mar
Erection of a rear outbuilding
Awaiting decision Householder 4 docsSmall domestic
Other prior approval applications
In Barnet
-
26/3224/PNH Awaiting decision
Low Ridge Rowley Lane Barnet EN5 3HS
Single storey rear extension with a proposed depth of 8.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres.
-
26/3218/PNH Awaiting decision
22 Highcroft Gardens London NW11 0LX
2no. Single storey rear extensions with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 3.00 metres, and depth of 3.05 metres, maximum height of 3.00 metres and eaves height of 3.00 metres respectively, following demolition of existing roofed patio.
-
26/3212/PNH Awaiting decision
10 Richmond Road Barnet EN5 1SB
Single storey rear extension with a proposed depth of 5.54 metres, maximum height of 3.50 metres and eaves height of 3.00 metres.
-
26/3183/PNH Awaiting decision
34 Selvage Lane London NW7 3SP
Single storey rear extension with a proposed depth of 3.80 metres, maximum height of 3.00 metres and eaves height of 2.75 metres, following partial demolition of existing side manifestation.
-
26/3194/PNH Awaiting decision
74 Windsor Drive Barnet EN4 8UD
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.60 metres, following demolition of the existing rear extension.