Postcode record · Barnet
N11 3QA.
N11 3QA has 35 known premises and 30 planning records — 19 approved of 30 decided (63.3%). 16 EPC records.
Postcode N11 3QA · boundary not held, centred on the postcodeApprovedRefusedOther30 exact1 approximate31 on the map — every match
At a glance · this postcodeBarnet profile →
35
Premises
known addresses (UPRNs)
30
Applications
30 decided
63.3%
Approval rate
19 approved · 5 refused
16
EPC records
ratings C 9 · D 7
31
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 3QA has 35 known premises and 30 planning records — 19 approved of 30 decided (63.3%). 16 EPC records.
Premises (18 of 35 shown)
Name
Details
UPRN 200006866
UPRN 200006867
UPRN 200006868
UPRN 200006869
UPRN 200006870
UPRN 200006871
UPRN 200006872
UPRN 200006873
UPRN 200006874
UPRN 200006875
UPRN 200006866
UPRN 200006867
UPRN 200006868
Show all 10 rows
UPRN 200006869
UPRN 200006870
UPRN 200006871
UPRN 200006872
UPRN 200006873
UPRN 200006874
UPRN 200006875
Planning
What happened?
30 planning applications across the postcode; 19 approved of 30 decided (63.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights. Conversion of the existing garage into habitable room insertion of window to replace the existing garage door
20 Balmoral Avenue London N11 3QA · premises record
Proposed Lawful Development Certificate
Approved
2022-01-31
Single storey rear extension, following demolition of the existing rear conservatory, with a proposed depth of 4.50 metres, a maximum height of 3.40 metres and an eaves height of 3.00 metres (amended description).
20 Balmoral Avenue London N11 3QA · premises record
Prior Notification (Householder)
Not required
2022-01-31
Single storey rear extension
16 Balmoral Avenue London N11 3QA · premises record
Householder Application
Approved
2018-11-13
Single storey rear extension with a proposed depth of 4.3 metres from original rear wall, eaves height of 3 metres and maximum height of 3.8 metres.
16 Balmoral Avenue London N11 3QA · premises record
Prior Notification (Householder)
Refused
2018-08-20
Single storey rear extension with a proposed depth of 4.5 metres from original rear wall, eaves height of 3 metres and maximum height of 3 metres
34 Balmoral Avenue London N11 3QA · premises record
Applicant Mr Martin Gallagher · Agent Mr Ana Alonso
Prior Notification (Householder)
Not required
2018-01-02
Single storey rear extension with a proposed depth of 4.5 metres, an eaves height of 3 metres and a maximum height of 3 metres.
34 Balmoral Avenue London N11 3QA · premises record
Applicant Mr Martin Gallagher · Agent Ms Ana Alonso
Prior Notification (Householder)
Refused
2017-12-11
Loft conversion including a rear dormer window and 3 additional rooflights to front elevation
36 Balmoral Avenue London N11 3QA · premises record
Applicant Mr thair hanna · Agent discount plans ltd
Proposed Lawful Development Certificate
Withdrawn
2016-06-03
Roof extension involving 1No. rear dormer and roof addition to low level roof. Garage conversion.
36 Balmoral Avenue London N11 3QA · premises record
Proposed Lawful Development Certificate
Approved
2016-03-16
Extension to roof including rear dormer with juliete balcony and 3no. front roof-lights to facilitate a loft conversion.
16 Balmoral Avenue, London, N11 3QA · premises record
Proposed Lawful Development Certificate
Approved
2012-07-17
1 x Horse Chestnut - Lift by 6m, Reduce Lateral Growth by 4m, Thin by 20%. Standing in Group G18 of Tree Preservation Order
10 Balmoral Avenue, London, N11 3QA · premises record
Applicant Tomlinson Tree Surgeons · Officer Ann Currell
Works to TPO trees
Approved
2009-10-28
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights. Conversion of the existing garage into habitable room insertion of window to replace the existing garage door
20 Balmoral Avenue London N11 3QA · premises record
Approved
2022-01-31
More
Proposed Lawful Development Certificate
Single storey rear extension, following demolition of the existing rear conservatory, with a proposed depth of 4.50 metres, a maximum height of 3.40 metres and an eaves height of 3.00 metres (amended description).
20 Balmoral Avenue London N11 3QA · premises record
Not required
2022-01-31
More
Prior Notification (Householder)
Single storey rear extension
16 Balmoral Avenue London N11 3QA · premises record
Approved
2018-11-13
More
Householder Application
Show all 10 rows
Single storey rear extension with a proposed depth of 4.3 metres from original rear wall, eaves height of 3 metres and maximum height of 3.8 metres.
16 Balmoral Avenue London N11 3QA · premises record
Refused
2018-08-20
More
Prior Notification (Householder)
Single storey rear extension with a proposed depth of 4.5 metres from original rear wall, eaves height of 3 metres and maximum height of 3 metres
34 Balmoral Avenue London N11 3QA · premises record
Applicant Mr Martin Gallagher · Agent Mr Ana Alonso
Not required
2018-01-02
More
Prior Notification (Householder)
Single storey rear extension with a proposed depth of 4.5 metres, an eaves height of 3 metres and a maximum height of 3 metres.
34 Balmoral Avenue London N11 3QA · premises record
Applicant Mr Martin Gallagher · Agent Ms Ana Alonso
Refused
2017-12-11
More
Prior Notification (Householder)
Loft conversion including a rear dormer window and 3 additional rooflights to front elevation
36 Balmoral Avenue London N11 3QA · premises record
Applicant Mr thair hanna · Agent discount plans ltd
Withdrawn
2016-06-03
More
Proposed Lawful Development Certificate
Roof extension involving 1No. rear dormer and roof addition to low level roof. Garage conversion.
36 Balmoral Avenue London N11 3QA · premises record
Approved
2016-03-16
More
Proposed Lawful Development Certificate
Extension to roof including rear dormer with juliete balcony and 3no. front roof-lights to facilitate a loft conversion.
16 Balmoral Avenue, London, N11 3QA · premises record
Approved
2012-07-17
More
Proposed Lawful Development Certificate
1 x Horse Chestnut - Lift by 6m, Reduce Lateral Growth by 4m, Thin by 20%. Standing in Group G18 of Tree Preservation Order
10 Balmoral Avenue, London, N11 3QA · premises record
Applicant Tomlinson Tree Surgeons · Officer Ann Currell
Approved
2009-10-28
More
Works to TPO trees
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 35 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 35 of 35 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 35 of 35 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).
Ribblesdale Avenue0 mBalmoral Avenue0 mRegal Drive0 mViscount Close0 mHighgrove Close0 mHampton Close4 mBaron Close5 mKensington Close5 mFootpath From Friern Barnet Road To Pinkham Way6 mDuchess Close9 m
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 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 1 application
Applicant on 2 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
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 1 application
Development
What could it become?
Planning precedent30 applications and 31 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy16 EPC records; ratings C: 9, D: 7.
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.