Postcode record · Barnet
N11 3ET.
N11 3ET has 39 known premises and 27 planning records — 16 approved of 27 decided (59.3%). 23 EPC records.
Postcode N11 3ET · boundary not held, centred on the postcodeApprovedRefusedOther26 exact1 approximate27 on the map — every match
At a glance · this postcodeBarnet profile →
39
Premises
known addresses (UPRNs)
27
Applications
27 decided
59.3%
Approval rate
16 approved · 7 refused
23
EPC records
ratings C 5 · D 10 · E 5 · F 3
27
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?
N11 3ET has 39 known premises and 27 planning records — 16 approved of 27 decided (59.3%). 23 EPC records.
Premises (18 of 39 shown)
Name
Details
UPRN 200009891
UPRN 200009892
UPRN 200009893
UPRN 200009894
UPRN 200009896
UPRN 200009898
UPRN 200009900
UPRN 200009902
UPRN 200009904
UPRN 200009906
UPRN 200009891
UPRN 200009892
UPRN 200009893
Show all 10 rows
UPRN 200009894
UPRN 200009896
UPRN 200009898
UPRN 200009900
UPRN 200009902
UPRN 200009904
UPRN 200009906
Planning
What happened?
27 planning applications across the postcode; 16 approved of 27 decided (59.3%). Latest 27 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving rear dormer and 2no. front facing rooflights. Demolition of chimney. Erection of a rear outbuilding following demolition of existing garden shed. New front porch. (amended)
19 Bellevue Road London N11 3ET · premises record
Applicant Mr Stephen Jolyon Mathews · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Proposed Lawful Development Certificate
Approved
2026-05-19
Submission of details of condition 6 (Excavations for Services in Relation to Trees) pursuant to planning permission 24/3212/FUL dated 19/09/24
Flat 2, 25 Bellevue Road London N11 3ET · premises record
Conditions
Approved
2024-09-20
Erection of rear outbuilding
Flat 2 25 Bellevue Road London N11 3ET · premises record
Full Application
Approved
2024-08-15
Single storey rear extension with a proposed depth of 3.66 metres from original rear wall, eaves height of 3.75 metres and maximum height of 3.95 metres
35 Bellevue Road London N11 3ET · premises record
Applicant Ms Kathryn Mazure · Officer Asha Chhabhaiya
Prior Notification (Householder)
Refused
2020-11-23
Single storey outbuilding for use ancillary to the existing residential dwelling (RETROSPECTIVE APPLICATION)
Basement And Ground Floor Flat 39 Bellevue Road London N11 3ET · premises record
Retention/Continued Use
Refused
2020-10-07
Single storey rear extension
35 Bellevue Road London N11 3ET · premises record
Applicant Ms Kathryn Mazure · Officer Rasha Khoja
Householder Application
Withdrawn
2020-07-20
Submission of details of condition 3 (materials), pursuant to planning permission 18/6862/FUL dated 10/01/2019
27 Bellevue Road London N11 3ET · premises record
Conditions
Approved
2019-05-13
First floor side and rear extension. New side window. Roof extension including increase in the height of the existing two storey side projection and 1no rooflight.
27 Bellevue Road London N11 3ET · premises record
Full Application
Approved
2018-11-14
Single Storey rear extensions to extend the 2no approved ground floor flats (17/1026/FUL). Associated works
25 Bellevue Road London N11 3ET · premises record
Full Application
Approved
2018-01-25
Variation to condition 1 (Plans Numbers) pursuant to planning permission 16/7919/HSE dated 14/02/2017 for `Incorporation of outbuilding to main dwelling via amendments to approved ground floor side and rear extensions and first floor part side, part rear extension.` Amendments include alteration of the roof form of the first floor side/rear extension including installation of 2 no. rooflights, installation of window to gable end of flank wall, roof alterations of ground floor rear extension to include parapet roof and replacement of 2 no. rooflights to 1 no. rooflight, external finish material changes
23 Bellevue Road London N11 3ET · premises record
Vary/Remove condition/Minor Mtl Amnd
Approved
2017-05-11
Roof extension involving rear dormer and 2no. front facing rooflights. Demolition of chimney. Erection of a rear outbuilding following demolition of existing garden shed. New front porch. (amended)
19 Bellevue Road London N11 3ET · premises record
Applicant Mr Stephen Jolyon Mathews · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Approved
2026-05-19
More
Proposed Lawful Development Certificate
Submission of details of condition 6 (Excavations for Services in Relation to Trees) pursuant to planning permission 24/3212/FUL dated 19/09/24
Flat 2, 25 Bellevue Road London N11 3ET · premises record
Approved
2024-09-20
More
Conditions
Erection of rear outbuilding
Flat 2 25 Bellevue Road London N11 3ET · premises record
Approved
2024-08-15
More
Full Application
Show all 10 rows
Single storey rear extension with a proposed depth of 3.66 metres from original rear wall, eaves height of 3.75 metres and maximum height of 3.95 metres
35 Bellevue Road London N11 3ET · premises record
Applicant Ms Kathryn Mazure · Officer Asha Chhabhaiya
Refused
2020-11-23
More
Prior Notification (Householder)
Single storey outbuilding for use ancillary to the existing residential dwelling (RETROSPECTIVE APPLICATION)
Basement And Ground Floor Flat 39 Bellevue Road London N11 3ET · premises record
Refused
2020-10-07
More
Retention/Continued Use
Single storey rear extension
35 Bellevue Road London N11 3ET · premises record
Applicant Ms Kathryn Mazure · Officer Rasha Khoja
Withdrawn
2020-07-20
More
Householder Application
Submission of details of condition 3 (materials), pursuant to planning permission 18/6862/FUL dated 10/01/2019
27 Bellevue Road London N11 3ET · premises record
Approved
2019-05-13
More
Conditions
First floor side and rear extension. New side window. Roof extension including increase in the height of the existing two storey side projection and 1no rooflight.
27 Bellevue Road London N11 3ET · premises record
Approved
2018-11-14
More
Full Application
Single Storey rear extensions to extend the 2no approved ground floor flats (17/1026/FUL). Associated works
25 Bellevue Road London N11 3ET · premises record
Approved
2018-01-25
More
Full Application
Variation to condition 1 (Plans Numbers) pursuant to planning permission 16/7919/HSE dated 14/02/2017 for `Incorporation of outbuilding to main dwelling via amendments to approved ground floor side and rear extensions and first floor part side, part rear extension.` Amendments include alteration of the roof form of the first floor side/rear extension including installation of 2 no. rooflights, installation of window to gable end of flank wall, roof alterations of ground floor rear extension to include parapet roof and replacement of 2 no. rooflights to 1 no. rooflight, external finish material changes
23 Bellevue Road London N11 3ET · premises record
Approved
2017-05-11
More
Vary/Remove condition/Minor Mtl Amnd
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 39 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 39 of 39 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 39 of 39 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 27 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 applications
Applicant on 2 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
Applicant on 1 application
Applicant on 3 applications
Applicant on 2 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
Applicant on 1 application
Development
What could it become?
Planning precedent27 applications and 27 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy23 EPC records; ratings C: 5, D: 10, E: 5, F: 3.
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.