Postcode record · Barnet
N11 3NF.
N11 3NF has 25 known premises and 9 planning records — 7 approved of 9 decided (77.8%). 12 EPC records.
Postcode N11 3NF · boundary not held, centred on the postcodeApprovedRefusedOther9 exact9 on the map — every match
At a glance · this postcodeBarnet profile →
25
Premises
known addresses (UPRNs)
9
Applications
9 decided
77.8%
Approval rate
7 approved · 1 refused
12
EPC records
ratings C 9 · D 2 · E 1
9
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 3NF has 25 known premises and 9 planning records — 7 approved of 9 decided (77.8%). 12 EPC records.
Premises (18 of 25 shown)
Name
Details
UPRN 200042870
UPRN 200042872
UPRN 200042874
UPRN 200042876
UPRN 200042878
UPRN 200042880
UPRN 200042882
UPRN 200042884
UPRN 200042886
UPRN 200042888
UPRN 200042870
UPRN 200042872
UPRN 200042874
Show all 10 rows
UPRN 200042876
UPRN 200042878
UPRN 200042880
UPRN 200042882
UPRN 200042884
UPRN 200042886
UPRN 200042888
Planning
What happened?
9 planning applications across the postcode; 7 approved of 9 decided (77.8%). Latest 9 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Erection of a new front porch
59 Firs Avenue London N11 3NF · premises record
Householder Application
Approved
2021-06-04
1 x Chestnut (applicant's ref. 65 Firs Avenue) - Prune back 4 lowest secondary/tertiary branches overhanging into 67 Firs Avenue by 1.5 - 2 metres to convenient growth points. Standing in group G3 of Tree Preservation Order
65 Firs Avenue London N11 3NF · premises record
Works to TPO trees
Approved
2019-11-28
Creation of new window opening on flank wall. Blocking up of existing front wc window
59 Firs Avenue London N11 3NF · premises record
Householder
Approved
2019-07-09
Single storey side extension. Single storey rear extension.
59 Firs Avenue London N11 3NF · premises record
Householder Application
Approved
2019-03-11
Part single part two storey rear extension. New front porch. (Amended Description)
49 Firs Avenue London N11 3NF · premises record
Applicant Mr M Mirpuri · Agent KKR Planning & Design Ltd
Householder Application
Approved
2017-03-15
Silver Birch - Reduction in height by 30% (standing in Group G3 of TPO).
57 Firs Avenue London N11 3NF · premises record
Applicant Catherine Blunden
Trees: Works to TPO
Refused
2002-03-13
Silver Birch - remove standing in group G3 of TPO (replacement for Horsce Chestnut).
63 Firs Avenue Friern Barnet London N11 3NF · premises record
Applicant Janice Abraham
Tree works
Approved
2000-08-16
Silver Birch - remove standing in group G3 of TPO (replacement for Horsce Chestnut).
63 Firs Avenue Friern Barnet London N11 3NF · premises record
Applicant Janice Abraham
Trees: Works to TPO
Withdrawn
2000-08-16
Single storey rear conservatory extension.
91 Firs Avenue London N11 3NF · premises record
Applicant Mrs Tisdall
Proposed Lawful Development Certificate
Approved
2000-07-07
Erection of a new front porch
59 Firs Avenue London N11 3NF · premises record
Approved
2021-06-04
More
Householder Application
1 x Chestnut (applicant's ref. 65 Firs Avenue) - Prune back 4 lowest secondary/tertiary branches overhanging into 67 Firs Avenue by 1.5 - 2 metres to convenient growth points. Standing in group G3 of Tree Preservation Order
65 Firs Avenue London N11 3NF · premises record
Approved
2019-11-28
More
Works to TPO trees
Creation of new window opening on flank wall. Blocking up of existing front wc window
59 Firs Avenue London N11 3NF · premises record
Approved
2019-07-09
More
Householder
Show all 9 rows
Single storey side extension. Single storey rear extension.
59 Firs Avenue London N11 3NF · premises record
Approved
2019-03-11
More
Householder Application
Part single part two storey rear extension. New front porch. (Amended Description)
49 Firs Avenue London N11 3NF · premises record
Applicant Mr M Mirpuri · Agent KKR Planning & Design Ltd
Approved
2017-03-15
More
Householder Application
Silver Birch - Reduction in height by 30% (standing in Group G3 of TPO).
57 Firs Avenue London N11 3NF · premises record
Applicant Catherine Blunden
Refused
2002-03-13
More
Trees: Works to TPO
Silver Birch - remove standing in group G3 of TPO (replacement for Horsce Chestnut).
63 Firs Avenue Friern Barnet London N11 3NF · premises record
Applicant Janice Abraham
Approved
2000-08-16
More
Tree works
Silver Birch - remove standing in group G3 of TPO (replacement for Horsce Chestnut).
63 Firs Avenue Friern Barnet London N11 3NF · premises record
Applicant Janice Abraham
Withdrawn
2000-08-16
More
Trees: Works to TPO
Single storey rear conservatory extension.
91 Firs Avenue London N11 3NF · premises record
Applicant Mrs Tisdall
Approved
2000-07-07
More
Proposed Lawful Development Certificate
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 25 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 25 of 25 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
The London Borough of Barnet (Land adjoining Colney Hatch Lane and North Circular Road, Friern Barnet N.11.) Tree Preservation Order 1980 made under The Town and Country Planning Acts, 1971 to 1974. · reference TRE/FI/35/G3 · covers 1 of 25 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 25 of 25 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
The London Borough of Barnet (Land adjoining Colney Hatch Lane and North Circular Road, Friern Barnet N.11.) Tree Preservation Order 1980 made under The Town and Country Planning Acts, 1971 to 1974. · reference TRE/FI/35/G3 · covers 1 of 25 premises. Protected-tree works may require consent or formal notice.
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 9 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
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
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Applicant on 2 applications
Applicant on 1 application
Applicant on 1 application
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 2 applications
Agent on 1 application
Agent on 1 application
Development
What could it become?
Planning precedent9 applications and 9 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy12 EPC records; ratings C: 9, D: 2, E: 1.
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
Planning Atlas ProOwnership, 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.