Postcode record · Barnet
NW7 1LT.
NW7 1LT has 12 known premises and 15 planning records — 13 approved of 15 decided (86.7%). 7 EPC records.
Postcode NW7 1LT · boundary not held, centred on the postcodeApprovedRefusedOther15 exact15 on the map — every match
At a glance · this postcodeBarnet profile →
12
Premises
known addresses (UPRNs)
15
Applications
15 decided
86.7%
Approval rate
13 approved · 2 refused
7
EPC records
ratings C 2 · D 4 · E 1
15
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?
NW7 1LT has 12 known premises and 15 planning records — 13 approved of 15 decided (86.7%). 7 EPC records.
Premises
Name
Details
UPRN 200117660
UPRN 200117662
UPRN 200117664
UPRN 200117666
UPRN 200117668
UPRN 200117670
UPRN 200117672
UPRN 200117674
UPRN 200117676
UPRN 200117678
UPRN 200117660
UPRN 200117662
UPRN 200117664
Show all 10 rows
UPRN 200117666
UPRN 200117668
UPRN 200117670
UPRN 200117672
UPRN 200117674
UPRN 200117676
UPRN 200117678
Planning
What happened?
15 planning applications across the postcode; 13 approved of 15 decided (86.7%). Latest 15 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Single storey side and rear extension including new patio, associated screening and steps following demolition of existing garage and store rooms (amended drawings).
15 Thornfield Avenue London NW7 1LT · premises record
Householder Application
Approved
2023-05-03
Erection of a rear garden shed
21 Thornfield Avenue London NW7 1LT · premises record
Proposed Lawful Development Certificate
Approved
2020-08-03
Single storey rear extension following demolition of the detached garage, and enlargement of raised patio [AMENDED DESCRIPTION].
21 Thornfield Avenue London NW7 1LT · premises record
Householder Application
Approved
2020-08-03
Single storey rear extension. Single storey front/side extension including conversion of garage into habitable room, insertion of window to replace garage door
3 Thornfield Avenue London NW7 1LT · premises record
Householder Application
Approved
2018-01-10
Part single, part two storey rear extension and formation of lower level with decking area. Demolition of detached garage
23 Thornfield Avenue London NW7 1LT · premises record
Applicant Mrs Karin Guppenberger · Agent PMSS Ltd
Householder Application
Approved
2017-11-30
Single storey rear extension. Single storey front/side extension including conversion of garage into habitable room, insertion of window to replace garage door
3 Thornfield Avenue London NW7 1LT · premises record
Householder Application
Refused
2017-10-20
Part single, part two storey rear extension. Roof extension involving hip to gable, rear dormer window, 1no. rooflight to front and new gable window to side elevation to facilitate a loft conversion
3 Thornfield Avenue London NW7 1LT · premises record
Proposed Lawful Development Certificate
Approved
2017-10-19
Single storey rear extension with step to garden level
17 Thornfield Avenue London NW7 1LT · premises record
Applicant Mr & Dr Ahmed
Householder Application
Approved
2017-05-01
Single storey rear extension, following demolition of existing garage, with a proposed depth of 5 metres from the original rear wall, eaves height of 3 metres and a maximum height of 3 metres
17 Thornfield Avenue London NW7 1LT · premises record
Prior Notification (Householder)
Refused
2017-03-23
Single storey rear and side extension following demolition of existing shed. New raised decking
13 Thornfield Avenue London NW7 1LT · premises record
Householder Application
Approved
2015-12-29
Single storey side and rear extension including new patio, associated screening and steps following demolition of existing garage and store rooms (amended drawings).
15 Thornfield Avenue London NW7 1LT · premises record
Approved
2023-05-03
More
Householder Application
Erection of a rear garden shed
21 Thornfield Avenue London NW7 1LT · premises record
Approved
2020-08-03
More
Proposed Lawful Development Certificate
Single storey rear extension following demolition of the detached garage, and enlargement of raised patio [AMENDED DESCRIPTION].
21 Thornfield Avenue London NW7 1LT · premises record
Approved
2020-08-03
More
Householder Application
Show all 10 rows
Single storey rear extension. Single storey front/side extension including conversion of garage into habitable room, insertion of window to replace garage door
3 Thornfield Avenue London NW7 1LT · premises record
Approved
2018-01-10
More
Householder Application
Part single, part two storey rear extension and formation of lower level with decking area. Demolition of detached garage
23 Thornfield Avenue London NW7 1LT · premises record
Applicant Mrs Karin Guppenberger · Agent PMSS Ltd
Approved
2017-11-30
More
Householder Application
Single storey rear extension. Single storey front/side extension including conversion of garage into habitable room, insertion of window to replace garage door
3 Thornfield Avenue London NW7 1LT · premises record
Refused
2017-10-20
More
Householder Application
Part single, part two storey rear extension. Roof extension involving hip to gable, rear dormer window, 1no. rooflight to front and new gable window to side elevation to facilitate a loft conversion
3 Thornfield Avenue London NW7 1LT · premises record
Approved
2017-10-19
More
Proposed Lawful Development Certificate
Single storey rear extension with step to garden level
17 Thornfield Avenue London NW7 1LT · premises record
Applicant Mr & Dr Ahmed
Approved
2017-05-01
More
Householder Application
Single storey rear extension, following demolition of existing garage, with a proposed depth of 5 metres from the original rear wall, eaves height of 3 metres and a maximum height of 3 metres
17 Thornfield Avenue London NW7 1LT · premises record
Refused
2017-03-23
More
Prior Notification (Householder)
Single storey rear and side extension following demolition of existing shed. New raised decking
13 Thornfield Avenue London NW7 1LT · premises record
Approved
2015-12-29
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 12 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 12 of 12 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 12 of 12 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).
Thornfield Avenue0 mHolders Hill Road10 mBose Close26 mFootpath From Lyndhurst Gardens To Thornfield Avenue40 mMill Close41 mHolders Hill Road Access Road To Thornfield Court And Mill Court51 mClaremont Park57 mDollis Road57 m
People
Who is involved?
Named on the latest 15 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 1 application
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 1 application
Applicant on 3 applications
Applicant on 2 applications
Applicant on 1 application
Show all 10 rows
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 1 application
Development
What could it become?
Planning precedent15 applications and 15 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy7 EPC records; ratings C: 2, D: 4, 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.
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.