Postcode record · Barnet
N14 7LE.
N14 7LE has 14 known premises and 15 planning records — 7 approved of 15 decided (46.7%). 5 EPC records.
Postcode N14 7LE · boundary not held, centred on the postcodeApprovedRefusedOther15 on the map — every match
At a glance · this postcodeBarnet profile →
14
Premises
known addresses (UPRNs)
15
Applications
15 decided
46.7%
Approval rate
7 approved · 2 refused
36 days
Median decision time
average 40 days · 15 dated decisions
5
EPC records
ratings D 4 · F 1
15
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?
N14 7LE has 14 known premises and 15 planning records — 7 approved of 15 decided (46.7%). 5 EPC records.
Premises
Name
Details
UPRN 200079035
UPRN 200079036
UPRN 200079037
UPRN 200079038
UPRN 200079039
UPRN 200079040
UPRN 200079041
UPRN 200079042
UPRN 200079043
UPRN 200079044
UPRN 200079035
UPRN 200079036
UPRN 200079037
Show all 10 rows
UPRN 200079038
UPRN 200079039
UPRN 200079040
UPRN 200079041
UPRN 200079042
UPRN 200079043
UPRN 200079044
Planning
What happened?
15 planning applications across the postcode; 7 approved of 15 decided (46.7%). Latest 15 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Part single, part two storey rear extension, new front porch and installation of external insulation (Part Retrospective)
11 Marlborough Avenue London N14 7LE · premises record
Officer Tina Oliveira
Householder Application
Approved
2025-12-09
First floor rear extension
11 Marlborough Avenue London N14 7LE · premises record
Officer Tina Oliveira
Householder Application
Withdrawn
2025-09-04
Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights and new side gable window
11 Marlborough Avenue London N14 7LE · premises record
Officer Muhsin Ahmed
Proposed Lawful Development Certificate
Approved
2024-07-08
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.85 metres.
11 Marlborough Avenue London N14 7LE · premises record
Officer Muhsin Ahmed
Prior Notification (Householder)
Not required
2024-07-08
Single storey rear extension with a proposed depth of 4.50 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
9 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Prior Notification (Householder)
Not required
2020-10-13
Single storey rear extension
1 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Householder Application
Approved
2020-09-16
Single storey rear extension with a proposed depth of 4.85 metres from original rear wall, eaves height of 2.89 metres and maximum height of 2.89 metres.
1 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Prior Notification (Householder)
Refused
2020-08-04
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights
12 Marlborough Avenue London N14 7LE · premises record
—
Approved
2020-05-14
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights
12 Marlborough Avenue London N14 7LE · premises record
Officer Asha Chhabhaiya
Proposed Lawful Development Certificate
Refused
2020-03-30
Single storey ground floor rear extension, including, 1no. skylight. Two storey side extension with associated alterations to roof and creation of steps and door to side. Demolition of existing garage and storage. Erection of new relocated garage, including 2no. doors to side elevations and front garage door (amended description)
12 Marlborough Avenue London N14 7LE · premises record
Householder Application
Approved
2019-11-13
Part single, part two storey rear extension, new front porch and installation of external insulation (Part Retrospective)
11 Marlborough Avenue London N14 7LE · premises record
Officer Tina Oliveira
Approved
2025-12-09
More
Householder Application
First floor rear extension
11 Marlborough Avenue London N14 7LE · premises record
Officer Tina Oliveira
Withdrawn
2025-09-04
More
Householder Application
Roof extension involving hip to gable, rear dormer window, 3no. front facing rooflights and new side gable window
11 Marlborough Avenue London N14 7LE · premises record
Officer Muhsin Ahmed
Approved
2024-07-08
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey rear extension with a proposed depth of 6.00 metres, maximum height of 3.00 metres and eaves height of 2.85 metres.
11 Marlborough Avenue London N14 7LE · premises record
Officer Muhsin Ahmed
Not required
2024-07-08
More
Prior Notification (Householder)
Single storey rear extension with a proposed depth of 4.50 metres from original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres.
9 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Not required
2020-10-13
More
Prior Notification (Householder)
Single storey rear extension
1 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Approved
2020-09-16
More
Householder Application
Single storey rear extension with a proposed depth of 4.85 metres from original rear wall, eaves height of 2.89 metres and maximum height of 2.89 metres.
1 Marlborough Avenue London N14 7LE · premises record
Officer Helen McGuinness
Refused
2020-08-04
More
Prior Notification (Householder)
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights
12 Marlborough Avenue London N14 7LE · premises record
Approved
2020-05-14
More
—
Roof extension involving rear dormer window with juliette balcony and 3no front facing rooflights
12 Marlborough Avenue London N14 7LE · premises record
Officer Asha Chhabhaiya
Refused
2020-03-30
More
Proposed Lawful Development Certificate
Single storey ground floor rear extension, including, 1no. skylight. Two storey side extension with associated alterations to roof and creation of steps and door to side. Demolition of existing garage and storage. Erection of new relocated garage, including 2no. doors to side elevations and front garage door (amended description)
12 Marlborough Avenue London N14 7LE · premises record
Approved
2019-11-13
More
Householder Application
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 14 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 14 of 14 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 14 of 14 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 15 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 3 applications
Case officer on 2 applications
Case officer on 2 applications
Show all 7 rows
Case officer on 2 applications
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent15 applications and 15 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy5 EPC records; ratings D: 4, 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.