Postcode record · Barnet
N20 0TH.
N20 0TH has 28 known premises and 24 planning records — 18 approved of 24 decided (75%). 15 EPC records.
Postcode N20 0TH · boundary not held, centred on the postcodeApprovedRefusedOther24 exact4 approximate28 on the map — every match
At a glance · this postcodeBarnet profile →
28
Premises
known addresses (UPRNs)
24
Applications
24 decided
75%
Approval rate
18 approved · 4 refused
15
EPC records
ratings C 1 · D 13 · E 1
28
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 0TH has 28 known premises and 24 planning records — 18 approved of 24 decided (75%). 15 EPC records.
Premises (18 of 28 shown)
Name
Details
UPRN 200103912
UPRN 200103916
UPRN 200103918
UPRN 200103920
UPRN 200103922
UPRN 200103924
UPRN 200103926
UPRN 200103928
UPRN 200103930
UPRN 200103932
UPRN 200103912
UPRN 200103916
UPRN 200103918
Show all 10 rows
UPRN 200103920
UPRN 200103922
UPRN 200103924
UPRN 200103926
UPRN 200103928
UPRN 200103930
UPRN 200103932
Planning
What happened?
24 planning applications across the postcode; 18 approved of 24 decided (75%). Latest 24 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side and rear extension with 1no. skylight. Removal of internal chimneys
35 Simmons Way London N20 0TH · premises record
Householder Application
Approved
2025-08-12
Roof extension including hip to gable, rear dormer window, 2no. front facing rooflights and side gable window
35 Simmons Way London N20 0TH · premises record
—
Approved
2023-06-06
Single storey side and rear extension following the demolition of the existing conservatory
31 Simmons Way London N20 0TH · premises record
Householder Application
Approved
2022-11-10
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights
31 Simmons Way London N20 0TH · premises record
Proposed Lawful Development Certificate
Approved
2022-11-10
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no conservation rooflights and new side gable window. New front porch. Replacement of side door with window. Infill of side window to rear extension for extraction
27 Simmons Way London N20 0TH · premises record
—
Approved
2022-03-07
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights and new side gable window. New front porch and bay window on primary elevation. Replacement of side door with new window. Replacement of side door with window. Bricking up of existing side window and insertion of new side window. New opening for side window. Infill of side window of existing rear extension for kitchen extraction
27 Simmons Way London N20 0TH · premises record
Householder Application
Withdrawn
2021-12-20
Proposed single storey extension to the original dwelling house with a proposed depth of 6.00 metres from the original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres with a flat roof.
35 Simmons Way London N20 0TH · premises record
Applicant Ms Ka Lok · Officer Olivia Becci
Prior Notification (Householder)
Refused
2021-07-14
Single storey side extension with 3 no rooflights,conversion of a garage to a habitable room. Replacement of garage door with window
41 Simmons Way London N20 0TH · premises record
Householder
Approved
2021-02-01
Raised timber deck and privacy screen with external steps at rear of dwelling (retrospective application)
43 Simmons Way London N20 0TH · premises record
Applicant Mr M Theodorou · Agent Archiserve Developments Ltd
Retention/Continued Use
Approved
2018-06-18
Non material amendment to planning permission 17/5174/HSE dated 09/08/17 for `Single storey rear and side extension with new access steps and handrails following demolition of existing conservatory and side store.` Amendment of side and rear extension from lean-to roof to flat roof
53 Simmons Way London N20 0TH · premises record
Non Material Amendment
Approved
2018-05-22
Single storey side and rear extension with 1no. skylight. Removal of internal chimneys
35 Simmons Way London N20 0TH · premises record
Approved
2025-08-12
More
Householder Application
Roof extension including hip to gable, rear dormer window, 2no. front facing rooflights and side gable window
35 Simmons Way London N20 0TH · premises record
Approved
2023-06-06
More
—
Single storey side and rear extension following the demolition of the existing conservatory
31 Simmons Way London N20 0TH · premises record
Approved
2022-11-10
More
Householder Application
Show all 10 rows
Roof extension involving hip to gable, rear dormer window with juliette balcony and 3no. front facing rooflights
31 Simmons Way London N20 0TH · premises record
Approved
2022-11-10
More
Proposed Lawful Development Certificate
Roof extension involving hip to gable, rear dormer window with juliette balcony, 3no conservation rooflights and new side gable window. New front porch. Replacement of side door with window. Infill of side window to rear extension for extraction
27 Simmons Way London N20 0TH · premises record
Approved
2022-03-07
More
—
Roof extension involving hip to gable, rear dormer window, 3no front facing rooflights and new side gable window. New front porch and bay window on primary elevation. Replacement of side door with new window. Replacement of side door with window. Bricking up of existing side window and insertion of new side window. New opening for side window. Infill of side window of existing rear extension for kitchen extraction
27 Simmons Way London N20 0TH · premises record
Withdrawn
2021-12-20
More
Householder Application
Proposed single storey extension to the original dwelling house with a proposed depth of 6.00 metres from the original rear wall, eaves height of 3.00 metres and maximum height of 3.00 metres with a flat roof.
35 Simmons Way London N20 0TH · premises record
Applicant Ms Ka Lok · Officer Olivia Becci
Refused
2021-07-14
More
Prior Notification (Householder)
Single storey side extension with 3 no rooflights,conversion of a garage to a habitable room. Replacement of garage door with window
41 Simmons Way London N20 0TH · premises record
Approved
2021-02-01
More
Householder
Raised timber deck and privacy screen with external steps at rear of dwelling (retrospective application)
43 Simmons Way London N20 0TH · premises record
Applicant Mr M Theodorou · Agent Archiserve Developments Ltd
Approved
2018-06-18
More
Retention/Continued Use
Non material amendment to planning permission 17/5174/HSE dated 09/08/17 for `Single storey rear and side extension with new access steps and handrails following demolition of existing conservatory and side store.` Amendment of side and rear extension from lean-to roof to flat roof
53 Simmons Way London N20 0TH · premises record
Approved
2018-05-22
More
Non Material Amendment
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 28 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 28 of 28 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 28 of 28 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 24 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 3 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 3 applications
Agent on 2 applications
Agent on 2 applications
Applicant on 3 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 3 applications
Agent on 2 applications
Agent on 2 applications
Development
What could it become?
Planning precedent24 applications and 28 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy15 EPC records; ratings C: 1, D: 13, E: 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.