Postcode record · Barnet
N20 0AL.
N20 0AL has 31 known premises and 26 planning records — 17 approved of 25 decided (68%). 14 EPC records.
Postcode N20 0AL · boundary not held, centred on the postcodeApprovedRefusedOther26 exact26 on the map — every match
At a glance · this postcodeBarnet profile →
31
Premises
known addresses (UPRNs)
26
Applications
25 decided
68%
Approval rate
17 approved · 7 refused
14
EPC records
ratings C 1 · D 9 · E 4
26
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 0AL has 31 known premises and 26 planning records — 17 approved of 25 decided (68%). 14 EPC records.
Premises (18 of 31 shown)
Name
Details
UPRN 200004541
UPRN 200004542
UPRN 200004543
UPRN 200004544
UPRN 200004545
UPRN 200004546
UPRN 200004547
UPRN 200004548
UPRN 200004549
UPRN 200004550
UPRN 200004541
UPRN 200004542
UPRN 200004543
Show all 10 rows
UPRN 200004544
UPRN 200004545
UPRN 200004546
UPRN 200004547
UPRN 200004548
UPRN 200004549
UPRN 200004550
Planning
What happened?
26 planning applications across the postcode; 17 approved of 25 decided (68%). Latest 26 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking
5 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Clayton & Shalini Pereira & Pereira · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Householder Application
Pending Consideration
2026-04-29
Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking
5 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Clayton & Shalini Pereira & Pereira · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Householder Application
Refused
2026-02-20
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
7 Ashbourne Avenue London N20 0AL · premises record
Proposed Lawful Development Certificate
Approved
2025-09-19
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
7 Ashbourne Avenue London N20 0AL · premises record
Proposed Lawful Development Certificate
Refused
2025-09-10
New front hardstanding and vehicular access to provide off-street parking
7 Ashbourne Avenue London N20 0AL · premises record
Householder Application
Approved
2022-03-18
Part single, part two storey rear extension with patio area following demolition of existing single storey addition
15 Ashbourne Avenue London N20 0AL · premises record
Householder Application
Approved
2020-03-06
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no front facing rooflights and new side gable window. New front porch
15 Ashbourne Avenue London N20 0AL · premises record
Applicant ULVI & AGRON GJORLLAKU · Agent Generative Design Partnership Ltd · Officer Asha Chhabhaiya
Proposed Lawful Development Certificate
Approved
2020-03-06
Single storey rear extension (Amended Description)
2 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Drapos · Agent Mrs Eszter Mitchell
Householder Application
Approved
2018-07-18
Single storey side extension. Roof extension involving hip to gable, rear dormer window and 3no front rooflights
2 Ashbourne Avenue London N20 0AL · premises record
Proposed Lawful Development Certificate
Approved
2018-04-05
Rear dormer with Juliette balcony and 2 no. rooflights to front to facilitate loft conversion
33 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr DEBORAH HARDING · Agent Mr JOHN MORGAN
Proposed Lawful Development Certificate
Approved
2016-09-08
Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking
5 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Clayton & Shalini Pereira & Pereira · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Pending Consideration
2026-04-29
More
Householder Application
Single storey rear extension with 1no. roof lantern, raised decking area with associated access steps and privacy screening. New front porch with pitched roof. New front hardstanding and vehicular access to provide off-street parking
5 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Clayton & Shalini Pereira & Pereira · Agent Generative Design Partnership Ltd · Officer Joseph Parsons
Refused
2026-02-20
More
Householder Application
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
7 Ashbourne Avenue London N20 0AL · premises record
Approved
2025-09-19
More
Proposed Lawful Development Certificate
Show all 10 rows
Roof extension involving hip to gable, rear dormer window with juliette balcony and 2no. front facing rooflights
7 Ashbourne Avenue London N20 0AL · premises record
Refused
2025-09-10
More
Proposed Lawful Development Certificate
New front hardstanding and vehicular access to provide off-street parking
7 Ashbourne Avenue London N20 0AL · premises record
Approved
2022-03-18
More
Householder Application
Part single, part two storey rear extension with patio area following demolition of existing single storey addition
15 Ashbourne Avenue London N20 0AL · premises record
Approved
2020-03-06
More
Householder Application
Roof extension involving hip to gable, rear dormer window with juliette balcony, 2no front facing rooflights and new side gable window. New front porch
15 Ashbourne Avenue London N20 0AL · premises record
Applicant ULVI & AGRON GJORLLAKU · Agent Generative Design Partnership Ltd · Officer Asha Chhabhaiya
Approved
2020-03-06
More
Proposed Lawful Development Certificate
Single storey rear extension (Amended Description)
2 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr & Mrs Drapos · Agent Mrs Eszter Mitchell
Approved
2018-07-18
More
Householder Application
Single storey side extension. Roof extension involving hip to gable, rear dormer window and 3no front rooflights
2 Ashbourne Avenue London N20 0AL · premises record
Approved
2018-04-05
More
Proposed Lawful Development Certificate
Rear dormer with Juliette balcony and 2 no. rooflights to front to facilitate loft conversion
33 Ashbourne Avenue London N20 0AL · premises record
Applicant Mr DEBORAH HARDING · Agent Mr JOHN MORGAN
Approved
2016-09-08
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 31 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 31 of 31 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 31 of 31 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 26 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 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 2 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
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Development
What could it become?
Planning precedent26 applications and 26 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy14 EPC records; ratings C: 1, D: 9, E: 4.
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.