Postcode record · Barnet
N12 7EP.
N12 7EP has 13 known premises and 23 planning records — 16 approved of 23 decided (69.6%). 8 EPC records.
Postcode N12 7EP · boundary not held, centred on the postcodeApprovedRefusedOther23 exact23 on the map — every match
At a glance · this postcodeBarnet profile →
13
Premises
known addresses (UPRNs)
23
Applications
23 decided
69.6%
Approval rate
16 approved · 4 refused
8
EPC records
ratings C 2 · D 4 · E 1 · F 1
23
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?
N12 7EP has 13 known premises and 23 planning records — 16 approved of 23 decided (69.6%). 8 EPC records.
Premises
Name
Details
UPRN 200119138
UPRN 200119139
UPRN 200119140
UPRN 200119141
UPRN 200119142
UPRN 200119143
UPRN 200119144
UPRN 200119145
UPRN 200119146
UPRN 200119147
UPRN 200119138
UPRN 200119139
UPRN 200119140
Show all 10 rows
UPRN 200119141
UPRN 200119142
UPRN 200119143
UPRN 200119144
UPRN 200119145
UPRN 200119146
UPRN 200119147
Planning
What happened?
23 planning applications across the postcode; 16 approved of 23 decided (69.6%). Latest 23 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Two storey front extension
20 Twineham Green London N12 7EP · premises record
Householder Application
Approved
2022-08-17
microgeneration air source heat pump
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Officer Zakera Matin
Proposed Lawful Development Certificate
Approved
2020-10-27
Installation of a microgeneration air source heat pump
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Officer Zakera Matin
Existing Lawful Development Certificate
Withdrawn
2020-10-06
Single storey rear extension
20 Twineham Green London N12 7EP · premises record
Householder
Approved
2020-03-11
Roof extension, including, hip to gable, rear dormer window and 2no. rooflights to front roofslope. Insertion of 1no. window to gable elevation. Removal of existing chimney stack
20 Twineham Green London N12 7EP · premises record
Proposed Lawful Development Certificate
Approved
2019-11-13
First floor rear extension. Roof extension involving side and rear dormer window.
14 Twineham Green London N12 7EP · premises record
Applicant Mr & Mrs Howard Segal · Agent Tanner & Tilley Development Consultants · Officer Agnes Wanja
Householder Application
Refused
2019-08-08
Single storey rear extension with a proposed depth of 6 metres from the original rear wall. Eaves height of 3 and a maximum height of 4 metres
16 Twineham Green London N12 7EP · premises record
Prior Notification (Householder)
Not required
2019-01-08
First floor rear extension
14 Twineham Green London N12 7EP · premises record
Applicant Mr & Mrs Howard Segal · Agent Tanner & Tilley Development Consultants · Officer Agnes Wanja
Householder Application
Refused
2018-12-18
Roof extension including hip to gable, rear dormer window with 3no. rooflights to front roofslope. Single storey side extension. Single storey outbuilding to rear garden
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Agent AURAA LTD
Proposed Lawful Development Certificate
Approved
2018-11-27
Single storey ground floor rear extension. Conversion of garage to habitable room and replacement of garage door with window
13 Twineham Green London N12 7EP · premises record
Applicant Mrs S Patel · Agent MSK Design Ltd
Householder Application
Approved
2018-09-26
Two storey front extension
20 Twineham Green London N12 7EP · premises record
Approved
2022-08-17
More
Householder Application
microgeneration air source heat pump
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Officer Zakera Matin
Approved
2020-10-27
More
Proposed Lawful Development Certificate
Installation of a microgeneration air source heat pump
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Officer Zakera Matin
Withdrawn
2020-10-06
More
Existing Lawful Development Certificate
Show all 10 rows
Single storey rear extension
20 Twineham Green London N12 7EP · premises record
Approved
2020-03-11
More
Householder
Roof extension, including, hip to gable, rear dormer window and 2no. rooflights to front roofslope. Insertion of 1no. window to gable elevation. Removal of existing chimney stack
20 Twineham Green London N12 7EP · premises record
Approved
2019-11-13
More
Proposed Lawful Development Certificate
First floor rear extension. Roof extension involving side and rear dormer window.
14 Twineham Green London N12 7EP · premises record
Applicant Mr & Mrs Howard Segal · Agent Tanner & Tilley Development Consultants · Officer Agnes Wanja
Refused
2019-08-08
More
Householder Application
Single storey rear extension with a proposed depth of 6 metres from the original rear wall. Eaves height of 3 and a maximum height of 4 metres
16 Twineham Green London N12 7EP · premises record
Not required
2019-01-08
More
Prior Notification (Householder)
First floor rear extension
14 Twineham Green London N12 7EP · premises record
Applicant Mr & Mrs Howard Segal · Agent Tanner & Tilley Development Consultants · Officer Agnes Wanja
Refused
2018-12-18
More
Householder Application
Roof extension including hip to gable, rear dormer window with 3no. rooflights to front roofslope. Single storey side extension. Single storey outbuilding to rear garden
16 Twineham Green London N12 7EP · premises record
Applicant Mr Jonathan Chan · Agent AURAA LTD
Approved
2018-11-27
More
Proposed Lawful Development Certificate
Single storey ground floor rear extension. Conversion of garage to habitable room and replacement of garage door with window
13 Twineham Green London N12 7EP · premises record
Applicant Mrs S Patel · Agent MSK Design Ltd
Approved
2018-09-26
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 13 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 13 of 13 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 13 of 13 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 23 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 5 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 3 applications
Agent on 2 applications
Applicant on 5 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 3 applications
Agent on 2 applications
Development
What could it become?
Planning precedent23 applications and 23 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy8 EPC records; ratings C: 2, D: 4, E: 1, 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.
4 intent signals recorded in this postcode
Repeat sale · EPC F/G · Long hold
Subscribe to see the signals →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.