Postcode record · Barnet
N3 3QP.
N3 3QP has 38 known premises and 30 planning records — 22 approved of 30 decided (73.3%). 18 EPC records.
Postcode N3 3QP · boundary not held, centred on the postcodeApprovedRefusedOther30 exact30 on the map — every match
At a glance · this postcodeBarnet profile →
38
Premises
known addresses (UPRNs)
30
Applications
30 decided
73.3%
Approval rate
22 approved · 7 refused
18
EPC records
ratings C 1 · D 14 · E 2 · F 1
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?
N3 3QP has 38 known premises and 30 planning records — 22 approved of 30 decided (73.3%). 18 EPC records.
Premises (18 of 38 shown)
Name
Details
UPRN 200019930
UPRN 200019932
UPRN 200019934
UPRN 200019936
UPRN 200019938
UPRN 200019940
UPRN 200019942
UPRN 200019944
UPRN 200019946
UPRN 200019948
UPRN 200019930
UPRN 200019932
UPRN 200019934
Show all 10 rows
UPRN 200019936
UPRN 200019938
UPRN 200019940
UPRN 200019942
UPRN 200019944
UPRN 200019946
UPRN 200019948
Planning
What happened?
30 planning applications across the postcode; 22 approved of 30 decided (73.3%). Latest 30 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part two storey rear extension following demolition of existing rear extension. Roof extension including hip to gable, rear dormer window, side gable window and 2no. rooflights to front roofslope. Alterations to front garden to create off-street parking and associated vehicular access and new steps to front entrance
15 Cavendish Avenue London N3 3QP · premises record
Householder Application
Approved
2023-07-25
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.20 metres and eaves height of 2.93 metres.
15 Cavendish Avenue London N3 3QP · premises record
Prior Notification (Householder)
Not required
2023-06-09
Erection of outbuilding to rear garden
15 Cavendish Avenue London N3 3QP · premises record
Proposed Lawful Development Certificate
Approved
2023-05-03
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.20 metres and eaves height of 2.93 metres.
15 Cavendish Avenue London N3 3QP · premises record
Prior Notification (Householder)
Refused
2023-05-02
Single storey front porch extension
15 Cavendish Avenue London N3 3QP · premises record
Proposed Lawful Development Certificate
Refused
2023-05-02
Roof extension involving hip to gable, rear dormer, 2no. front facing rooflights and new side gable window
15 Cavendish Avenue London N3 3QP · premises record
Proposed Lawful Development Certificate
Approved
2023-05-02
Erection of rear outbuilding
25 Cavendish Avenue London N3 3QP · premises record
Householder Application
Approved
2022-05-19
Single storey rear extension
25 Cavendish Avenue London N3 3QP · premises record
Householder Application
Approved
2021-05-06
Single storey side and rear extension following demolition of existing side and rear extension. Render to rear wall of existing dwelling
27 Cavendish Avenue London N3 3QP · premises record
Householder Application
Approved
2018-02-21
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
13 Cavendish Avenue London N3 3QP · premises record
Proposed Lawful Development Certificate
Approved
2017-10-23
Part single, part two storey rear extension following demolition of existing rear extension. Roof extension including hip to gable, rear dormer window, side gable window and 2no. rooflights to front roofslope. Alterations to front garden to create off-street parking and associated vehicular access and new steps to front entrance
15 Cavendish Avenue London N3 3QP · premises record
Approved
2023-07-25
More
Householder Application
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.20 metres and eaves height of 2.93 metres.
15 Cavendish Avenue London N3 3QP · premises record
Not required
2023-06-09
More
Prior Notification (Householder)
Erection of outbuilding to rear garden
15 Cavendish Avenue London N3 3QP · premises record
Approved
2023-05-03
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey rear extension with a proposed depth of 6.00 metres from original rear wall, maximum height of 3.20 metres and eaves height of 2.93 metres.
15 Cavendish Avenue London N3 3QP · premises record
Refused
2023-05-02
More
Prior Notification (Householder)
Single storey front porch extension
15 Cavendish Avenue London N3 3QP · premises record
Refused
2023-05-02
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer, 2no. front facing rooflights and new side gable window
15 Cavendish Avenue London N3 3QP · premises record
Approved
2023-05-02
More
Proposed Lawful Development Certificate
Erection of rear outbuilding
25 Cavendish Avenue London N3 3QP · premises record
Approved
2022-05-19
More
Householder Application
Single storey rear extension
25 Cavendish Avenue London N3 3QP · premises record
Approved
2021-05-06
More
Householder Application
Single storey side and rear extension following demolition of existing side and rear extension. Render to rear wall of existing dwelling
27 Cavendish Avenue London N3 3QP · premises record
Approved
2018-02-21
More
Householder Application
Roof extension involving hip to gable, rear dormer window, 3no. rooflights to front and new gable window to side elevation to facilitate a loft conversion
13 Cavendish Avenue London N3 3QP · premises record
Approved
2017-10-23
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 38 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 38 of 38 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 38 of 38 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 6 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
Agent on 6 applications
Agent on 2 applications
Agent on 2 applications
Applicant on 6 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
Agent on 6 applications
Agent on 2 applications
Agent on 2 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.
Energy18 EPC records; ratings C: 1, D: 14, E: 2, F: 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.
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.