15 Chalcot Square London NW1 8YA Data via plota.co.uk

2026/2034/P - Approval of Details (Listed Building) Approved
Admin / procedural

Proposal

Details pursuant to Condition 7 (Approval of details) of planning permission granted on 12/09/2024 "(Minor refurbishment and rooftop works including: upgraded entrance and reception area; new cycle storage and associated end of trip facilities; new/replaced rooftop plant and plant enclosures; creation of a rooftop amenity area with pavilion structure; hard and soft rooftop landscaping; and all associated and ancillary works)." Single storey rear extension and associated internal alterations. Enlargement of upper ground floor terrace. Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
around 21 May 2026
✓
Approved
4 Sept 2026

Approved on 4 Sept 2026 · Delegated · Last checked 19 Sept 2026

Documents

View the documents on the council's website ↗

Associated applications 6

Site constraints 9

10 listed buildings within 150 m of the postcode pin
Nearest: Numbers 20-28 and Attached Railings, Grade II, the postcode pin is inside its outline · 10 Grade II
The site itself is not listed. Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.
Show all 10 with distances
Historic England ↗
Primrose Hill conservation area
Demolition needs planning permission and permitted development is restricted.
The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.
Council document ↗
2 Article 4 directions
Basements · Primrose Hill Conservation Area (various properties) - UNDER REVIEW. Named permitted development rights are withdrawn here.
An Article 4 direction withdraws particular permitted development rights, so work that would normally need no application needs one here. Not every council has published its directions.
Air quality management area: Camden AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Also on the record
Local nature reserve about 439 m away: Adelaide; Registered park or garden about 230 m away: Primrose Hill; Inside the Camden built-up area; Public transport access: PTAL 3 (moderate), TfL 2023, for the 100 m square; Designated open space about 13 m away.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 2026. The pin for this application is the centre of its postcode rather than the building, so distances to nearby designations are measured from the postcode and can be out by the width of the postcode area. Historic England, the Environment Agency, Natural England, Transport for London (public transport access levels, Powered by TfL Open Data, OGL v3.0, contains OS data © Crown copyright and database right 2025) and council datasets, Open Government Licence. A boundary can run through a site and the council holds the definitive record: confirm with the council before relying on this.

Sales history 1

Last sold for £13,000,000 in July 2025. Terraced house, freehold.

31 July 2025£13,000,000

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

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Other new applications on this street

15 Sept 2026Approved

Basement Flat 18 Chalcot Square London NW1 8YA

REAR GARDEN: 1 x Willow (T1) - Reduce back to previous reduction points (approx....

2026/3972/T
15 Sept 2026Approved

19 Chalcot Square London NW1 8YA

REAR GARDEN: Mixed Species Bay, Cotoneaster and Laurel Hedging (S1) - Trim back ...

2026/3989/T
14 Sept 2026Approved

6 Chalcot Square London Camden NW1 8YB

Plaster repair works following water ingress.

2026/3865/L

Nearby new applications

27 Oct 2026Pending

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2026/4759/T
27 Oct 2026Pending

35 Princess Road London NW1 8JS

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27 Oct 2026Pending

Camden Goods Yard Chalk Farm Road London NW1 8EH

Partial details of building details and materials for condition 23 (affordable w...

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Internal and external alterations to the property including the erection of a si...

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26 Oct 2026Pending

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Internal and external alterations to the property including the erection of a si...

2026/4713/L
22 Oct 2026Pending

4 Edis Street London NW1 8LG

Details to discharge conditions 5 (hard and soft landscaping) and 7 (details of ...

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Important details

Council
Camden
Application type
Approval of Details (Listed Building)
Postcode
NW1 8YA
Received
around 21 May 2026
Validated
21 May 2026
Ward
Primrose Hill
Case officer
Show
Decision
Granted 04-09-2026
Decision date
4 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
MICHAELIS BOYD ASSOCIATES LTD

Consultation & key dates

Comments by
31 Aug 2026

Historical activity at this location

28 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
REAR GARDEN: 1 x Lime (T1) - Reduce crown back to previous and most recent reduction poin…
2023/3683/T
2017 Approved
(TPO REF C67-T5) REAR GARDEN: 1 x Lime - Reduce crown by 30%, by approximately 3m over th…
2017/4550/T
2016 Approved
(TPO REF C67) REAR GARDEN: 1 x Lime - Crown thin by 20% and lift by about 2 meters above…
2016/6128/T
Within ~100m

Nearby activity

2024 Approved
10 Fitzroy Road London NW1 8TX
Proposed enlargement of the existing roof extension and erection of a single storey rear…
2024/5690/P
2024 Approved
3 Berkley Road London NW1 8XX
(TPO REF: C67-T1) REAR GARDEN: 1 x Tree of Heaven (T1) - Fell to ground level.
2024/5641/T
2024 Refused
12 & 13 Primrose Hill Studios Fitzroy Road London NW1 8TR
Erection of single storey extension to courtyard, with doors to both existing studio buil…
2024/4296/L
2024 Refused
12 & 13 Primrose Hill Studios Fitzroy Road London NW1 8TR
Erection of single storey extension to courtyard, with doors to both existing studio buil…
2024/3836/P
2024 Approved
30 Chalcot Road London NW1 8LN
Installation of air conditioning condenser unit on fourth floor front terrace.
2024/2752/P
2024 Refused
30 Chalcot Road London NW1 8LN
Erection of first floor rear infill extension and associated works.
2024/4195/P
2024 Approved
33 Chalcot Square London NW1 8YA
FRONT GARDEN: 1 x Cherry (T1) - Reduce by maximum 2m in height and reduce sides in propor…
2024/4004/T
2024 Approved
30 Chalcot Road London Camden NW1 8LN
Erection of single storey ground floor rear extension and alterations to rear elevation w…
2024/2751/P
2024 Approved
138 A Gloucester Avenue London Camden NW1 8JA
Alterations to the external front paint colour
2024/0642/P
2024 Approved
28 Chalcot Square London NW1 8YA
Installation of air conditioning unit to the rear at lower ground floor and associated in…
2024/2039/L
2024 Approved
28 Chalcot Square London NW1 8YA
Installation of air conditioning unit to the rear at lower ground floor.
2024/1817/P
2024 Approved
Flat Ground Floor 5 Berkley Road London NW1 8XX
REAR GARDEN: 1 x Magnolia Grandiflora (T1) - Reduce crown height by up to approx. 1.5m. R…
2024/2295/T
2024 Approved
30 Chalcot Road London Camden NW1 8LN
Erection of single storey lower ground floor, ground floor extension and associated works
2024/0035/P
2024 Approved
18 Chalcot Square London NW1 8YA
REAR GARDEN: 1 x Elder (T1) - Fell to ground level. 1 x Goat Willow (T2) - Reduce crown b…
2024/1800/T
2024 Approved
17 Chalcot Square London NW1 8YA
REAR GARDEN: 1 x Cherry (T2) - Thin crown density throughout by 20%. Reduce lateral and s…
2024/1667/T
2024 Approved
28 Chalcot Square London Camden NW1 8YA
Structural works to roof in relation to purlin supports (internal). Works in relation to…
2024/0384/L
2023 Approved
28 Chalcot Square London Camden NW1 8YA
Conversion of 2x flats into single family dwellinghouse. Erection of single storey lower…
2023/4968/P
2023 Approved
28 Chalcot Square London NW1 8YA
Conversion of 2x flats into single family dwellinghouse. Erection of single storey lower…
2023/5032/L
2021 Withdrawn
24 Fitzroy Road London NW1 8TX
Alteration of window to door and installation of balustrade to flat roof at rear second f…
2021/4069/P
2023 Withdrawn
28 Chalcot Square London Camden NW1 8YA
Conversion of 2x flats into single family dwellinghouse. Erection of single storey lower…
2023/4593/INVALID
2016 Approved
173 Gloucester Avenue London NW1 8LA
REAR GARDEN: 1 x Ginkgo - Fell
2016/2707/T
2016 Approved
Flat 4 120 Gloucester Avenue London NW1 8HX
Raising of roof ridge associated with erection of rear roof extension and installation of…
2016/1764/P
2016 Approved
10 Berkley Grove London NW1 8XY
Erection of single storey rear roof level extension with inward angled metal railings to…
2016/0296/P
2016 Approved
29 Chalcot Square London NW1 8YA
Creation of upper ground floor level balcony at rear with black painted metal balustrade…
2016/0682/L
2016 Approved
29 Chalcot Square London NW1 8YA
Creation of upper ground floor level balcony at rear with black painted metal balustrade…
2016/0577/P
Camden
Planning Authority Score
3.1/10
Poor
#231 of 296 councils
Relevant to this application:
Other decisions

Camden is slower than most councils at deciding householder applications, ranking #242 out of 296. Householder applications are slightly less likely to be approved here (88%) than the national average (90%).

Slower than most councils
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Camden decision statistics
Based on MHCLG data, the year to March 2026
88%
Overall approval rate
Above avg (87%) #149 of 296
88%
Householder approved
Below avg (90%) #215 of 296
49%
Decided in 8 weeks
Below avg (63%) #242 of 296
41%
Extended time limit
Below avg (41%) #158 of 296
90%
Minor dwellings approved
467 decided (1-9 homes)
80%
Major dwellings approved
10 decided (10+ homes)
93%
Change of use approved
46 decided
1,973
Total decisions
234 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Sale prices: Contains HM Land Registry data © Crown copyright and database right 2026. This data is licensed under the Open Government Licence v3.0.