Planning Atlas
Planning Atlas›Barnet›…Whetstone ward›N20 9LL
AtlasBarnetWhetstoneN20 9LL
Postcode record · Barnet

N20 9LL.

N20 9LL has 37 known premises and 39 planning records — 26 approved of 39 decided (66.7%). 22 EPC records.

Barnet›Whetstone›N20 9LL
Postcode N20 9LL · boundary not held, centred on the postcodeApprovedRefusedOther39 exact6 approximate45 on the map — every match
At a glance · this postcodeBarnet profile →
37
Premises
known addresses (UPRNs)
39
Applications
39 decided
66.7%
Approval rate
26 approved · 6 refused
22
EPC records
ratings B 1 · C 4 · D 15 · E 1 · F 1
45
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?

N20 9LL has 37 known premises and 39 planning records — 26 approved of 39 decided (66.7%). 22 EPC records.

Premises (18 of 37 shown)

Name
Details
UPRN 200106487
UPRN 200106489
UPRN 200106491
UPRN 200106493
UPRN 200106495
UPRN 200106497
UPRN 200106499
UPRN 200106501
UPRN 200106503
UPRN 200106505
UPRN 200106487
UPRN 200106489
UPRN 200106491
Show all 10 rows
UPRN 200106493
UPRN 200106495
UPRN 200106497
UPRN 200106499
UPRN 200106501
UPRN 200106503
UPRN 200106505
Planning

What happened?

39 planning applications across the postcode; 26 approved of 39 decided (66.7%). Latest 30 shown.

Reference
Proposal · address
Type
Outcome
Date · distance
Installation of 1no. 10m wooden pole
Outside 59 St Margarets Avenue London N20 9LL · premises record
Applicant Not disclosed · Agent Openreach · Officer Cheryl Yeung
Licence Notification
Not required
2025-06-03
Submission of details of conditions 4 (drainage works) pursuant to Appeal Decision APP/N5090//W/16/3156589 dated 30/01/17 (planning ref. 21/5725/S73)
55 St Margarets Avenue London N20 9LL · premises record
Applicant Mr A Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Conditions
Approved
2024-12-06
Conversion of the existing garage into habitable room, insertion of window to replace garage door
13 St Margarets Avenue London N20 9LL · premises record
Applicant Mr Kai Chung Cheung · Officer Vruti Parmar
Householder Application
Approved
2024-01-02
Submission of details of condition 4 (Foul and Surface Water Drainage) pursuant to planning permission 21/5725/S73 dated 14/01/2022
55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Conditions
Refused
2023-05-15
Single storey rear extension with a proposed depth of 5.50 metres from original rear wall, maximum height of 3.00 metres and eaves height of 2.95 metres.
13 St Margarets Avenue London N20 9LL · premises record
Applicant Ms Cherry Lam · Agent Mr Raj Atra · Officer Basya Markovits
Prior Notification (Householder)
Not required
2023-05-11
Submission of details of condition 4 (Refuse) pursuant to planning permission 18/2406/FUL dated 12/06/18
55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Conditions
Approved
2023-03-10
Submission of details of condition 5 (Turning Space and Parking Spaces) and 6 (Electric Vehicle Charging Facilities) pursuant to planning permission 21/5725/S73 dated 04/01/22
51 And 53 St Margarets Avenue And Land To The Rear Of 51-55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Conditions
Approved
2023-03-08
Removal of condition 4a and b (Tree protection), variation of condition 5a (Drainage strategy) of planning permission 21/2869/S73 dated 04/08/2021 for `Variation of condition 1 (Approved Plans) of appeal decision APP/N5090/W/16/3156589 (planning reference 16/4030/FUL) dated 03/01/17 for 'Construction of a 3 storey building with Lower ground floor and rooms in roofpace to facilitate the creation of 2 no self-contained residential flats following the demolition of the existing semi-detached houses at 51-53 St. Margarets Ave. Construction of 3 no terraced 4 storey single family dwellings, 2 no semi-detached four storey single family dwellings and 2 pairs of part three part four storey semi-detached single family dwellings. Provisions for car parking and amenity space. Associated vehicular access and landscaping.' Amendments to include alterations to the fenestration, materials and internal layouts of the houses`. Variation to include condition 5a to be changed to pre occupation condition
55 St Margarets Avenue London N20 9LL · premises record
Vary/Remove condition/Minor Mtl Amnd
Approved
2021-10-28
Variation of condition 1 (Approved Plans) of appeal decision APP/N5090/W/16/3156589 (planning reference 16/4030/FUL) dated 03/01/17 for 'Construction of a 3 storey building with Lower ground floor and rooms in roofpace to facilitate the creation of 2 no self-contained residential flats following the demolition of the existing semi-detached houses at 51-53 St. Margarets Ave. Construction of 3 no terraced 4 storey single family dwellings, 2 no semi-detached four storey single family dwellings and 2 pairs of part three part four storey semi-detached single family dwellings. Provisions for car parking and amenity space. Associated vehicular access and landscaping.' Amendments to include alterations to the fenestration, materials and internal layouts of the houses
51 And 53 St Margarets Avenue And Land To The Rear Of 51-55 St Margarets Avenue London N20 9LL · premises record
—
Approved
2021-05-25
Single storey rear extension with a proposed depth of 4.9 metres from original rear wall, eaves height of 2.935 metres and maximum height of 3.190 metres
41 St Margarets Avenue London N20 9LL · premises record
Applicant Mr And Mr M Traquina · Agent BCA Ltd · Officer Natasha McCann
Prior Notification (Householder)
Not required
2018-08-13
Installation of 1no. 10m wooden pole
Outside 59 St Margarets Avenue London N20 9LL · premises record
Applicant Not disclosed · Agent Openreach · Officer Cheryl Yeung
Not required
2025-06-03
More
Licence Notification
Submission of details of conditions 4 (drainage works) pursuant to Appeal Decision APP/N5090//W/16/3156589 dated 30/01/17 (planning ref. 21/5725/S73)
55 St Margarets Avenue London N20 9LL · premises record
Applicant Mr A Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Approved
2024-12-06
More
Conditions
Conversion of the existing garage into habitable room, insertion of window to replace garage door
13 St Margarets Avenue London N20 9LL · premises record
Applicant Mr Kai Chung Cheung · Officer Vruti Parmar
Approved
2024-01-02
More
Householder Application
Show all 10 rows
Submission of details of condition 4 (Foul and Surface Water Drainage) pursuant to planning permission 21/5725/S73 dated 14/01/2022
55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Refused
2023-05-15
More
Conditions
Single storey rear extension with a proposed depth of 5.50 metres from original rear wall, maximum height of 3.00 metres and eaves height of 2.95 metres.
13 St Margarets Avenue London N20 9LL · premises record
Applicant Ms Cherry Lam · Agent Mr Raj Atra · Officer Basya Markovits
Not required
2023-05-11
More
Prior Notification (Householder)
Submission of details of condition 4 (Refuse) pursuant to planning permission 18/2406/FUL dated 12/06/18
55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Approved
2023-03-10
More
Conditions
Submission of details of condition 5 (Turning Space and Parking Spaces) and 6 (Electric Vehicle Charging Facilities) pursuant to planning permission 21/5725/S73 dated 04/01/22
51 And 53 St Margarets Avenue And Land To The Rear Of 51-55 St Margarets Avenue London N20 9LL · premises record
Applicant Kendall · Agent CG Architects · Officer Asha Chhabhaiya
Approved
2023-03-08
More
Conditions
Removal of condition 4a and b (Tree protection), variation of condition 5a (Drainage strategy) of planning permission 21/2869/S73 dated 04/08/2021 for `Variation of condition 1 (Approved Plans) of appeal decision APP/N5090/W/16/3156589 (planning reference 16/4030/FUL) dated 03/01/17 for 'Construction of a 3 storey building with Lower ground floor and rooms in roofpace to facilitate the creation of 2 no self-contained residential flats following the demolition of the existing semi-detached houses at 51-53 St. Margarets Ave. Construction of 3 no terraced 4 storey single family dwellings, 2 no semi-detached four storey single family dwellings and 2 pairs of part three part four storey semi-detached single family dwellings. Provisions for car parking and amenity space. Associated vehicular access and landscaping.' Amendments to include alterations to the fenestration, materials and internal layouts of the houses`. Variation to include condition 5a to be changed to pre occupation condition
55 St Margarets Avenue London N20 9LL · premises record
Approved
2021-10-28
More
Vary/Remove condition/Minor Mtl Amnd
Variation of condition 1 (Approved Plans) of appeal decision APP/N5090/W/16/3156589 (planning reference 16/4030/FUL) dated 03/01/17 for 'Construction of a 3 storey building with Lower ground floor and rooms in roofpace to facilitate the creation of 2 no self-contained residential flats following the demolition of the existing semi-detached houses at 51-53 St. Margarets Ave. Construction of 3 no terraced 4 storey single family dwellings, 2 no semi-detached four storey single family dwellings and 2 pairs of part three part four storey semi-detached single family dwellings. Provisions for car parking and amenity space. Associated vehicular access and landscaping.' Amendments to include alterations to the fenestration, materials and internal layouts of the houses
51 And 53 St Margarets Avenue And Land To The Rear Of 51-55 St Margarets Avenue London N20 9LL · premises record
Approved
2021-05-25
More
—
Single storey rear extension with a proposed depth of 4.9 metres from original rear wall, eaves height of 2.935 metres and maximum height of 3.190 metres
41 St Margarets Avenue London N20 9LL · premises record
Applicant Mr And Mr M Traquina · Agent BCA Ltd · Officer Natasha McCann
Not required
2018-08-13
More
Prior Notification (Householder)

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 37 premises each one covers.

Designation
Coverage
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
The London Borough of Barnet Land at rear of 21-53, St. Margaret''s Avenue, London N20 Tree Preservation Order 2003 made under The Town and Country Planning Act 1990 The Town and Country planning (Trees) Regulations 1999. · reference TRE/BA/84/A1 · covers 1 of 37 premises. Protected-tree works may require consent or formal notice.
Article 4 Direction Area
Article 4 Small Houses in Multiple Occupation (HMO) Area 1 · reference A4D14A1 · covers 37 of 37 premises. Some normally permitted changes may require planning permission.
Tree Preservation Zone
The London Borough of Barnet Land at rear of 21-53, St. Margaret''s Avenue, London N20 Tree Preservation Order 2003 made under The Town and Country Planning Act 1990 The Town and Country planning (Trees) Regulations 1999. · reference TRE/BA/84/A1 · covers 1 of 37 premises. Protected-tree works may require consent or formal notice.
People

Who is involved?

Named on the latest 30 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 precedent39 applications and 45 mapped decisions in this postcode — precedent for what has been permitted and refused here.
Energy22 EPC records; ratings B: 1, C: 4, D: 15, 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 Pro

Ownership, finance and market signals recorded at addresses in this postcode — each with date and source. Signals are evidence of change, not a prediction.

5 intent signals recorded in this postcode
EPC F/G · Long hold · Company dissolving
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Boundary: OS Postcode Unit areas (Ordnance Survey), 2026-08-14. Planning records: canonical stage2. EPC: EPC register. Premises: OS AddressBase / UPRN.
N20 9LL, Barnet: Planning and Property History | Planning Atlas