Postcode record · Barnet
NW4 4JP.
NW4 4JP has 18 known premises and 29 planning records — 19 approved of 28 decided (67.9%). 9 EPC records.
Postcode NW4 4JP · boundary not held, centred on the postcodeApprovedRefusedOther29 exact29 on the map — every match
At a glance · this postcodeBarnet profile →
18
Premises
known addresses (UPRNs)
29
Applications
28 decided
67.9%
Approval rate
19 approved · 6 refused
9
EPC records
ratings C 1 · D 5 · E 3
29
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?
NW4 4JP has 18 known premises and 29 planning records — 19 approved of 28 decided (67.9%). 9 EPC records.
Premises
Name
Details
UPRN 200053327
UPRN 200053328
UPRN 200053329
UPRN 200053330
UPRN 200053331
UPRN 200053332
UPRN 200053333
UPRN 200053334
UPRN 200053335
UPRN 200053336
UPRN 200053327
UPRN 200053328
UPRN 200053329
Show all 10 rows
UPRN 200053330
UPRN 200053331
UPRN 200053332
UPRN 200053333
UPRN 200053334
UPRN 200053335
UPRN 200053336
Planning
What happened?
29 planning applications across the postcode; 19 approved of 28 decided (67.9%). Latest 29 shown.
Reference
Proposal · address
Type
Outcome
Date · distance
Roof extension involving hip to gable, rear dormer windows, 3no. front facing rooflights following demolition of existing chimneys Loft conversion by replacing existing roof & replacing with up & over roof with 3 velux to front & dormer to rear
32 Greyhound Hill London NW4 4JP · premises record
Proposed Lawful Development Certificate
Pending Consideration
2026-05-01
Single storey front extension including conversion of garage into habitable room, insertion of window to replace the existing garage door. Single storey rear extension with new patio area. Part single, part two storey side extension. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Increase in height of boundary fence. Alterations to front garden
46 Greyhound Hill London NW4 4JP · premises record
Householder Application
Approved
2026-03-05
Variation of condition 3 (Materials) of planning permission reference 25/1930/HSE dated 03/07/2025 for Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys. Variation to include change to facing brickwork
32 Greyhound Hill London NW4 4JP · premises record
Vary/Remove condition/Minor Mtl Amnd
Approved
2026-02-27
Non material amendment to planning permission 25/1930/HSE dated 03/07/2025 for 'Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys'. Amendments includes alterations on render to facing brick, velux's missing from the elevation which were on approved layout & internal alterations
32 Greyhound Hill London NW4 4JP · premises record
Non Material Amendment
Withdrawn
2026-02-17
Variation of condition 1 (Approved Plans) pursuant to planning permission 24/4150/HSE dated 12/12/2024 for `Part single, part two storey side extension following the demolition of existing garage/side extension. Single storey rear extension. Single storey front extension and new front porch.` Amendment to approved flat roof, terrace area, parapet added to flank walls, changes to approved fenestration and installation of side and rear rooflight
34 Greyhound Hill London NW4 4JP · premises record
Vary/Remove condition/Minor Mtl Amnd
Refused
2026-01-14
Single storey front extension including conversion of garage into habitable room. Part single, part two storey side and rear extension following removal of existing shed. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Creation of a patio in the rear garden. Alterations to front garden
46 Greyhound Hill London NW4 4JP · premises record
Householder Application
Refused
2025-11-28
Roof extension involving hip to gable with rear dormer windows and 2no. rooflights on main roof. Erection of a rear outbuilding.
46 Greyhound Hill London NW4 4JP · premises record
Proposed Lawful Development Certificate
Approved
2025-11-07
Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys [Amended Description]
32 Greyhound Hill London NW4 4JP · premises record
Householder Application
Approved
2025-05-08
Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension
32 Greyhound Hill London NW4 4JP · premises record
Householder Application
Refused
2025-01-27
Part single, part two storey side extension following the demolition of existing garage/side extension. Single storey rear extension. Single storey front extension and new front porch
34 Greyhound Hill London NW4 4JP · premises record
Householder Application
Approved
2024-10-21
Roof extension involving hip to gable, rear dormer windows, 3no. front facing rooflights following demolition of existing chimneys Loft conversion by replacing existing roof & replacing with up & over roof with 3 velux to front & dormer to rear
32 Greyhound Hill London NW4 4JP · premises record
Pending Consideration
2026-05-01
More
Proposed Lawful Development Certificate
Single storey front extension including conversion of garage into habitable room, insertion of window to replace the existing garage door. Single storey rear extension with new patio area. Part single, part two storey side extension. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Increase in height of boundary fence. Alterations to front garden
46 Greyhound Hill London NW4 4JP · premises record
Approved
2026-03-05
More
Householder Application
Variation of condition 3 (Materials) of planning permission reference 25/1930/HSE dated 03/07/2025 for Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys. Variation to include change to facing brickwork
32 Greyhound Hill London NW4 4JP · premises record
Approved
2026-02-27
More
Vary/Remove condition/Minor Mtl Amnd
Show all 10 rows
Non material amendment to planning permission 25/1930/HSE dated 03/07/2025 for 'Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys'. Amendments includes alterations on render to facing brick, velux's missing from the elevation which were on approved layout & internal alterations
32 Greyhound Hill London NW4 4JP · premises record
Withdrawn
2026-02-17
More
Non Material Amendment
Variation of condition 1 (Approved Plans) pursuant to planning permission 24/4150/HSE dated 12/12/2024 for `Part single, part two storey side extension following the demolition of existing garage/side extension. Single storey rear extension. Single storey front extension and new front porch.` Amendment to approved flat roof, terrace area, parapet added to flank walls, changes to approved fenestration and installation of side and rear rooflight
34 Greyhound Hill London NW4 4JP · premises record
Refused
2026-01-14
More
Vary/Remove condition/Minor Mtl Amnd
Single storey front extension including conversion of garage into habitable room. Part single, part two storey side and rear extension following removal of existing shed. Alterations and extensions to roof including 1no. rear dormer window and 1no. rooflight to front roofslope. Creation of a patio in the rear garden. Alterations to front garden
46 Greyhound Hill London NW4 4JP · premises record
Refused
2025-11-28
More
Householder Application
Roof extension involving hip to gable with rear dormer windows and 2no. rooflights on main roof. Erection of a rear outbuilding.
46 Greyhound Hill London NW4 4JP · premises record
Approved
2025-11-07
More
Proposed Lawful Development Certificate
Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension. Roof extension including rear dormer and pitch roof over the existing two storey flat roofed side extension and removal of existing chimneys [Amended Description]
32 Greyhound Hill London NW4 4JP · premises record
Approved
2025-05-08
More
Householder Application
Part single, part two storey rear extension with 1no. rooflight following demolition of the existing conservatory and garage. Single storey front extension
32 Greyhound Hill London NW4 4JP · premises record
Refused
2025-01-27
More
Householder Application
Part single, part two storey side extension following the demolition of existing garage/side extension. Single storey rear extension. Single storey front extension and new front porch
34 Greyhound Hill London NW4 4JP · premises record
Approved
2024-10-21
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 18 premises each one covers.
Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 18 of 18 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 18 of 18 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 29 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 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 4 applications
Applicant on 5 applications
Applicant on 2 applications
Applicant on 2 applications
Show all 10 rows
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Applicant on 1 application
Agent on 5 applications
Agent on 4 applications
Development
What could it become?
Planning precedent29 applications and 29 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy9 EPC records; ratings C: 1, D: 5, E: 3.
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
The Developer PlanOwnership, 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.