Postcode record · Barnet
N3 3TZ.
N3 3TZ has 42 known premises and 3 planning records — 2 approved of 3 decided (66.7%). 31 EPC records.
Postcode N3 3TZ · boundary not held, centred on the postcodeApprovedRefusedOther4 on the map — every match
At a glance · this postcodeBarnet profile →
42
Premises
known addresses (UPRNs)
3
Applications
3 decided
66.7%
Approval rate
2 approved · 0 refused
31
EPC records
ratings C 25 · D 6
4
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?
N3 3TZ has 42 known premises and 3 planning records — 2 approved of 3 decided (66.7%). 31 EPC records.
Premises (18 of 42 shown)
Name
Details
UPRN 200105411
UPRN 200105412
UPRN 200105413
UPRN 200105414
UPRN 200105415
UPRN 200105416
UPRN 200105417
UPRN 200105418
UPRN 200105419
UPRN 200105420
UPRN 200105411
UPRN 200105412
UPRN 200105413
Show all 10 rows
UPRN 200105414
UPRN 200105415
UPRN 200105416
UPRN 200105417
UPRN 200105418
UPRN 200105419
UPRN 200105420
Planning
What happened?
3 planning applications across the postcode; 2 approved of 3 decided (66.7%). Latest 3 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Non material amendment to planning permission 25/4368/FUL dated 14/01/2026 for `Replacement of external windows and doors.` Amendment include to allow for either double or triple glazed window options
1 - 109 Spencer Close London N3 3TZ · premises record
Non Material Amendment
Approved
2026-03-18
Replacement of external windows and doors
1 - 109 Spencer Close London N3 3TZ · premises record
Full Application
Approved
2025-11-03
1 x Lime (applicants ref. T554) - Reduce height by 2.5m to keep tree under control and allow more light to the neighbouring properties. Standing in Group G1 of Tree Preservation Order. 1 x Ash (applicants ref. T562) - Reduce back to previous pruning points (approx 2m) to keep the size of the tree under control and allow more light to the properties. Standing in Group G2 of Tree Preservation Order.
Porters Lodge 110 Spencer Close London N3 3TZ · premises record
Works to TPO trees
Split
2024-07-10
Non material amendment to planning permission 25/4368/FUL dated 14/01/2026 for `Replacement of external windows and doors.` Amendment include to allow for either double or triple glazed window options
1 - 109 Spencer Close London N3 3TZ · premises record
Approved
2026-03-18
More
Non Material Amendment
Replacement of external windows and doors
1 - 109 Spencer Close London N3 3TZ · premises record
Approved
2025-11-03
More
Full Application
1 x Lime (applicants ref. T554) - Reduce height by 2.5m to keep tree under control and allow more light to the neighbouring properties. Standing in Group G1 of Tree Preservation Order. 1 x Ash (applicants ref. T562) - Reduce back to previous pruning points (approx 2m) to keep the size of the tree under control and allow more light to the properties. Standing in Group G2 of Tree Preservation Order.
Porters Lodge 110 Spencer Close London N3 3TZ · premises record
Split
2024-07-10
More
Works to TPO trees
Building control
Building-control applications and notices in this postcode, from the council register.
Name
Details
Install a gas-fired boiler
Install a replacement consumer unit
Install a replacement consumer unit
Install a gas-fired boiler
Install a replacement consumer unit
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a replacement consumer unit
Install a replacement consumer unit
Show all 10 rows
Install a gas-fired boiler
Install a replacement consumer unit
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Install a gas-fired boiler
Place
What affects it?
No mapped designation intersects a premises point in this postcode in the current build. Open any premises above for its own designation record.
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 3 applications in this postcode — the party who applied, not the owner or occupier.
Name
Details
Applicant on 2 applications
Applicant on 1 application
Agent on 1 application
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Applicant on 2 applications
Applicant on 1 application
Agent on 1 application
Show all 7 rows
Agent on 1 application
Agent on 1 application
Case officer on 2 applications
Case officer on 1 application
Development
What could it become?
Planning precedent3 applications and 4 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy31 EPC records; ratings C: 25, D: 6.
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.