Postcode record · Barnet
N12 8HB.
N12 8HB has 19 known premises and 5 planning records — 2 approved of 4 decided (50%). 11 EPC records.
Postcode N12 8HB · boundary not held, centred on the postcodeApprovedRefusedOther5 exact5 on the map — every match
At a glance · this postcodeBarnet profile →
19
Premises
known addresses (UPRNs)
5
Applications
4 decided
50%
Approval rate
2 approved · 1 refused
11
EPC records
ratings C 3 · D 8
5
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 8HB has 19 known premises and 5 planning records — 2 approved of 4 decided (50%). 11 EPC records.
Premises (18 of 19 shown)
Name
Details
UPRN 200117800
UPRN 200117801
UPRN 200117802
UPRN 200117803
UPRN 200117809
UPRN 200117810
UPRN 200117811
UPRN 200117812
UPRN 200117817
UPRN 200117818
UPRN 200117800
UPRN 200117801
UPRN 200117802
Show all 10 rows
UPRN 200117803
UPRN 200117809
UPRN 200117810
UPRN 200117811
UPRN 200117812
UPRN 200117817
UPRN 200117818
Planning
What happened?
5 planning applications across the postcode; 2 approved of 4 decided (50%). Latest 5 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey rear extension following demolition of existing rear extension at a proposed depth of 6.0m from outrigger and 6.0m from the original rear wall, a maximum height of 3.42m and an eaves height of 2.93m
8 Thyra Grove London N12 8HB · premises record
Prior Notification (Householder)
Pending Consideration
2026-05-18
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
8 Thyra Grove London N12 8HB · premises record
—
Approved
2026-03-11
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory
11 Thyra Grove London N12 8HB · premises record
Prior Approval
Refused
2025-12-22
Installation of 1no. green Virgin Media cabinet
O/S 5 Thyra Grove London N12 8HB · premises record
Licence Notification
Not required
2024-12-03
Erection of outbuilding to house the installation of a free standing sprinkler tank housing. New external electrical cupboard. Replacement of all external windows and doors (amended drawings and description).
5 Thyra Grove London N12 8HB · premises record
Full Application
Approved
2021-12-22
Single storey rear extension following demolition of existing rear extension at a proposed depth of 6.0m from outrigger and 6.0m from the original rear wall, a maximum height of 3.42m and an eaves height of 2.93m
8 Thyra Grove London N12 8HB · premises record
Pending Consideration
2026-05-18
More
Prior Notification (Householder)
Roof extension involving hip to gable, rear dormer window and 3no. front facing rooflights
8 Thyra Grove London N12 8HB · premises record
Approved
2026-03-11
More
—
Single storey rear extension with a proposed depth of 6.00m, maximum height of 3.98m and eaves height of 2.98m following the demolition of the existing conservatory
11 Thyra Grove London N12 8HB · premises record
Refused
2025-12-22
More
Prior Approval
Show all 5 rows
Installation of 1no. green Virgin Media cabinet
O/S 5 Thyra Grove London N12 8HB · premises record
Not required
2024-12-03
More
Licence Notification
Erection of outbuilding to house the installation of a free standing sprinkler tank housing. New external electrical cupboard. Replacement of all external windows and doors (amended drawings and description).
5 Thyra Grove London N12 8HB · premises record
Approved
2021-12-22
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 19 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 19 of 19 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 19 of 19 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 5 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Show all 9 rows
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 1 application
Case officer on 1 application
Case officer on 1 application
Development
What could it become?
Planning precedent5 applications and 5 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy11 EPC records; ratings C: 3, D: 8.
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.