Planning Atlas
Planning AtlasBarnetWhetstone wardN20 9LH
AtlasBarnetWhetstoneN20 9LH
Postcode record · Barnet

N20 9LH.

N20 9LH has 12 known premises and 12 planning records — 10 approved of 12 decided (83.3%). 9 EPC records.

BarnetWhetstoneN20 9LH
Postcode N20 9LH · boundary not held, centred on the postcodeApprovedRefusedOther12 exact12 on the map — every match
At a glance · this postcodeBarnet profile →
12
Premises
known addresses (UPRNs)
12
Applications
12 decided
83.3%
Approval rate
10 approved · 2 refused
9
EPC records
ratings C 1 · D 5 · E 3
12
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?

N20 9LH has 12 known premises and 12 planning records — 10 approved of 12 decided (83.3%). 9 EPC records.

Premises

Planning

What happened?

12 planning applications across the postcode; 10 approved of 12 decided (83.3%). Latest 12 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension following the demolition of the existing outbuilding and associated excavations (amended)
3 Blakeney Close London N20 9LH · premises record
Householder Application
Approved
2018-07-26
Single storey rear extension with a proposed depth of 5 metres from original rear wall, eaves height of 4 metres and maximum height of 4 metres
3 Blakeney Close London N20 9LH · premises record
Applicant Miss Tara Quinn · Officer Natasha McCann
Prior Notification (Householder)
Refused
2018-04-26
Erection of a single storey outbuilding
2 Blakeney Close London N20 9LH · premises record
Proposed Lawful Development Certificate
Approved
2016-02-19
Single storey rear extension.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs P Gavioli · Agent Alan Cox Associates · Officer Erica Mason
Householder Application
Approved
2014-01-16
Single storey rear extension including new raised garden decking and installation of a new window in the side elevation of the existing house. Following demolition of existing rear conservatory and decking
7 Blakeney Close, London, N20 9LH · premises record
Applicant Mr Sarkar · Agent Victoria Mustard Architect · Officer Mumtaz Shaikh
Householder Application
Approved
2013-02-27
Extension to roof including rear dormer window to facilitate a loft conversion.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs C Ashman · Agent A.J Ferryman & Associates · Officer Erica Mason
Proposed Lawful Development Certificate
Approved
2013-02-04
Single storey rear extension including alterations to rear garden access, following demolition of existing conservatory.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs Ashman · Agent A.J Ferryman & Associates · Officer Erica Mason
Householder Application
Approved
2013-02-04
Single storey rear extension.
5 Blakeney Close London N20 9LH · premises record
Applicant Miss M A Brown
Full Application
Approved
2000-06-26
Erection of single-storey rear extension with rear steps and stairlift following demolition of existing conservatory.
5 Blakeney Close London N20 9LH · premises record
Applicant Miss M.A Brown
Proposed Lawful Development Certificate
Refused
1999-12-15
Single-storey rear extension.
11 Blakeney Close London N20 · premises record
Applicant Not disclosed
Full Application
Approved
1999-09-08
Single storey rear extension following the demolition of the existing outbuilding and associated excavations (amended)
3 Blakeney Close London N20 9LH · premises record
Approved
2018-07-26
More
Householder Application
Single storey rear extension with a proposed depth of 5 metres from original rear wall, eaves height of 4 metres and maximum height of 4 metres
3 Blakeney Close London N20 9LH · premises record
Applicant Miss Tara Quinn · Officer Natasha McCann
Refused
2018-04-26
More
Prior Notification (Householder)
Erection of a single storey outbuilding
2 Blakeney Close London N20 9LH · premises record
Approved
2016-02-19
More
Proposed Lawful Development Certificate
Show all 10 rows
Single storey rear extension.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs P Gavioli · Agent Alan Cox Associates · Officer Erica Mason
Approved
2014-01-16
More
Householder Application
Single storey rear extension including new raised garden decking and installation of a new window in the side elevation of the existing house. Following demolition of existing rear conservatory and decking
7 Blakeney Close, London, N20 9LH · premises record
Applicant Mr Sarkar · Agent Victoria Mustard Architect · Officer Mumtaz Shaikh
Approved
2013-02-27
More
Householder Application
Extension to roof including rear dormer window to facilitate a loft conversion.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs C Ashman · Agent A.J Ferryman & Associates · Officer Erica Mason
Approved
2013-02-04
More
Proposed Lawful Development Certificate
Single storey rear extension including alterations to rear garden access, following demolition of existing conservatory.
2 Blakeney Close, London, N20 9LH · premises record
Applicant Mrs Ashman · Agent A.J Ferryman & Associates · Officer Erica Mason
Approved
2013-02-04
More
Householder Application
Single storey rear extension.
5 Blakeney Close London N20 9LH · premises record
Applicant Miss M A Brown
Approved
2000-06-26
More
Full Application
Erection of single-storey rear extension with rear steps and stairlift following demolition of existing conservatory.
5 Blakeney Close London N20 9LH · premises record
Applicant Miss M.A Brown
Refused
1999-12-15
More
Proposed Lawful Development Certificate
Single-storey rear extension.
11 Blakeney Close London N20 · premises record
Applicant Not disclosed
Approved
1999-09-08
More
Full 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 12 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 12 of 12 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 12 of 12 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 12 applications in this postcode — the party who applied, not the owner or occupier.

Name
Details
Applicant on 3 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 1 application
Applicant on 1 application
Applicant on 3 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development

What could it become?

Planning precedent12 applications and 12 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 1, D: 5, E: 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 Plan

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

2 intent signals recorded in this postcode
Ageing director · Long hold
Subscribe to see the signals →
Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
N20 9LH, Barnet: Planning and Property History | Planning Atlas