Postcode record · Barnet
EN4 8LY.
EN4 8LY has 17 known premises and 30 planning records — 23 approved of 30 decided (76.7%). 13 EPC records.
Postcode EN4 8LY · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeBarnet profile →
17
Premises
known addresses (UPRNs)
30
Applications
30 decided
76.7%
Approval rate
23 approved · 4 refused
13
EPC records
ratings C 5 · D 6 · E 2
30
Mapped applications
inside the postcode shape
Postcode unit boundary from Ordnance Survey; premises and applications inside it. Aggregates describe the area, not any single premises.
Property
What is it?
EN4 8LY has 17 known premises and 30 planning records — 23 approved of 30 decided (76.7%). 13 EPC records.
Premises
Name
Details
UPRN 200032423
UPRN 200032425
UPRN 200032427
UPRN 200032429
UPRN 200032431
UPRN 200032433
UPRN 200032435
UPRN 200032437
UPRN 200032439
UPRN 200032441
UPRN 200032423
UPRN 200032425
UPRN 200032427
Show all 10 rows
UPRN 200032429
UPRN 200032431
UPRN 200032433
UPRN 200032435
UPRN 200032437
UPRN 200032439
UPRN 200032441
Planning
What happened?
30 planning applications across the postcode; 23 approved of 30 decided (76.7%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side extension and alterations to existing rear extension including raising of the roof height (AMENDED DESCRIPTION)
73 Derwent Avenue Barnet EN4 8LY · premises record
Applicant Mr Daniel Howard Fernandez · Agent GOA Studio London Residential Architecture Limited · Officer Joe Davies
Householder Application
Approved
2026-03-09
Single storey side rear extension following demolition of the existing garage, utility room and canopy
81 Derwent Avenue Barnet EN4 8LY · premises record
Householder Application
Approved
2021-01-15
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 2.55 metres and maximum height of 3.00 metres.
81 Derwent Avenue Barnet EN4 8LY · premises record
Prior Notification (Householder)
Not required
2020-03-16
Roof extension involving hip to gable, rear dormer window and 2no front facing rooflights
81 Derwent Avenue Barnet EN4 8LY · premises record
Proposed Lawful Development Certificate
Approved
2019-11-11
Conversion of existing garage into habitable room, insertion of window to replace the existing garage door
65 Derwent Avenue Barnet EN4 8LY · premises record
Householder Application
Approved
2019-10-03
Erection of a rear outbuilding
65 Derwent Avenue Barnet EN4 8LY · premises record
Applicant Mr L. Lister · Agent Town & Country Planning Limited
Proposed Lawful Development Certificate
Approved
2019-10-03
Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` Variation to include installation 4no rooflights to rear/front elevations Condition Number(s): 1 Conditions(s) Removal: To allow for more light Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` variation to include 4 rooflights
77 Derwent Avenue Barnet EN4 8LY · premises record
Vary/Remove condition/Minor Mtl Amnd
Approved
2016-08-25
Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` variation to include change of flat roof to pitched roof
77 Derwent Avenue Barnet EN4 8LY · premises record
Vary/Remove condition/Minor Mtl Amnd
Approved
2016-06-14
Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding
77 Derwent Avenue Barnet EN4 8LY · premises record
Householder Application
Approved
2015-12-01
Single storey rear and side extension
65 Derwent Avenue Barnet EN4 8LY · premises record
Retention/Continued Use
Approved
2015-08-10
Single storey side extension and alterations to existing rear extension including raising of the roof height (AMENDED DESCRIPTION)
73 Derwent Avenue Barnet EN4 8LY · premises record
Applicant Mr Daniel Howard Fernandez · Agent GOA Studio London Residential Architecture Limited · Officer Joe Davies
Approved
2026-03-09
More
Householder Application
Single storey side rear extension following demolition of the existing garage, utility room and canopy
81 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2021-01-15
More
Householder Application
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, eaves height of 2.55 metres and maximum height of 3.00 metres.
81 Derwent Avenue Barnet EN4 8LY · premises record
Not required
2020-03-16
More
Prior Notification (Householder)
Show all 10 rows
Roof extension involving hip to gable, rear dormer window and 2no front facing rooflights
81 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2019-11-11
More
Proposed Lawful Development Certificate
Conversion of existing garage into habitable room, insertion of window to replace the existing garage door
65 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2019-10-03
More
Householder Application
Erection of a rear outbuilding
65 Derwent Avenue Barnet EN4 8LY · premises record
Applicant Mr L. Lister · Agent Town & Country Planning Limited
Approved
2019-10-03
More
Proposed Lawful Development Certificate
Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` Variation to include installation 4no rooflights to rear/front elevations Condition Number(s): 1 Conditions(s) Removal: To allow for more light Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` variation to include 4 rooflights
77 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2016-08-25
More
Vary/Remove condition/Minor Mtl Amnd
Variation of condition 1 (plans numbers) of planning permission 15/07330/HSE dated 16/02/16 for `Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding` variation to include change of flat roof to pitched roof
77 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2016-06-14
More
Vary/Remove condition/Minor Mtl Amnd
Single storey side and rear extension following the demolition of the existing side extension and rear outbuilding
77 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2015-12-01
More
Householder Application
Single storey rear and side extension
65 Derwent Avenue Barnet EN4 8LY · premises record
Approved
2015-08-10
More
Retention/Continued Use
Building control
Building-control records are not yet collected for Barnet — the register is being gathered borough by borough (held so far: Lambeth, Brent, Ealing, Westminster, City and others).
Place
What affects it?
Every mapped designation touching a premises in this postcode, with how many of its 17 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 17 of 17 premises. Some normally permitted changes may require planning permission.
Nearby postcodes and streets
Walk to the next area — linked where the Atlas has a record for it (pilot borough only for now).
People
Who is involved?
Named on the latest 30 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Applicant on 3 applications
Applicant on 3 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 3 applications
Development
What could it become?
Planning precedent30 applications and 30 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy13 EPC records; ratings C: 5, D: 6, E: 2.
What is not assertedNo capacity, value or ownership claim is made at area level; those belong to individual premises records and their evidence.
Intent signals
The Developer PlanOwnership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.
Thinking about a project here?
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.