The Mansion House St Helens Square York YO1 9QN Data via plota.co.uk

25/02306/FUL - Full Application Approved
Admin / procedural

Proposal

Variation of condition 2 of permitted application to vary works to second floor windows Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
17 Nov 2025
✓
Validated
18 Nov 2025
✓
Approved
9 Jan 2026

Approved on 9 Jan 2026 · Delegated Decision · Last checked 10 Oct 2026

Documents 5

Decision & officer reports 2

PDF Decision Decision · 9 Jan 2026 View ↗ PDF DEVELOPMENT MANAGEMENT OFFICER REPORT Report · 9 Jan 2026 View ↗

Plans & drawings 2

PDF SECOND FLOOR REAR WINDOWS Revised Drawing · 25 Nov 2025 View ↗ PDF LOCATION PLAN Location Plan · 17 Nov 2025 View ↗

Other documents 1

PDF REPLACEMENT OF SECOND FLOOR REAR WINDOWS Report · 17 Nov 2025 View ↗

All documents on the council site ↗

Associated applications 3

  • Part of

    FullApprovedcouncil archive

    Conditions 3, 4, 5 discharged · 2 varied

Site constraints 6

Grade I listed: Mansion House, railings and gas lamps attached to front
List entry 1257969 · 4 m away · 73 more listed buildings within 150 m (3 Grade I, 14 Grade II*, 56 Grade II)
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 the other 73 with distances
Historic England ↗
Central Historic Core Conservation Area 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 ↗
Article 4 direction
HMO. Named permitted development rights are withdrawn here.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.
Scheduled monument 145 m away: St Mary's Abbey
Its setting is a consideration for work nearby.
Nationally important archaeology protected by the Secretary of State. Work that affects the monument or its setting is rarely permitted.
Historic England ↗
Also on the record
Registered park or garden 145 m away: Museum Gardens, York; Inside the York built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt

Checked on 2 November 2026. Historic England, the Environment Agency, Natural England 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.

Building

Floor area4,022 m² (43,292 sq ft)
Energy ratingB (asset rating 34)
UseD1 Non-residential Institutions - Libraries Museums and Galleries
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in June 2022, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
York
Application type
Full Application
Postcode
YO1 9QN
Received
17 Nov 2025
Validated
18 Nov 2025
Ward
Guildhall
Parish
Guildhall Planning Panel
Case officer
Show
Target decision
13 Jan 2026
Decision
Approve
Decision date
9 Jan 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Buttress Architects

Public comments

1comment received
1 supporting

3 neighbours consulted · Last counted 10 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Comments by
31 Dec 2025
Statutory expiry
13 Jan 2026
Env. assessment
No

Historical activity at this location

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

This property

Previous applications at this address

2025 Approved
Condition 10 (Structural Investigations) of 24/01876/LBC
AOD/25/00380
2025 Approved
Variation of condition 2 of permitted application 24/01876/LBC to vary works to second fl…
25/02307/LBC
2025 Approved
Conditions 3 (Render Removal), 4 (Materials) and 5 (Samples) of 24/01875/FUL
AOD/25/00341
2025 Approved
Conditions 4 (Render Removal), 5 (Materials), 6 (Samples) and 8 (Method of Repairs) of 24…
AOD/25/00342
2025 Approved
Condition 6 (CCTV Details) of 24/01875/FUL
AOD/25/00134
2025 Approved
Condition 7 (CCTV Details) of 24/01876/LBC
AOD/25/00133
2025 Approved
Condition 3 (Wallpaper Coverings and Colour Schemes) of 24/01876/LBC
AOD/25/00113
2025 Approved
Condition 7(a) of 24/01875/FUL
AOD/25/00089
2024 Approved
Repairs, replacement, maintenance, and cleaning of fabric throughout, to include replacem…
24/01875/FUL
2024 Approved
Internal and external works to include repairs, replacement, maintenance, and cleaning of…
24/01876/LBC
2024 Approved
Display of community and non-commercial flags from the Mansion House flag pole
24/00447/ADV
2022 Approved
Condition 3 (fixing method) of 22/00332/LBC
AOD/22/00252
2022 Approved
Display of 1no. plaque to front elevation
22/00332/LBC
2022 Approved
Display of 1no. plaque to front elevation
22/00335/ADV
Within ~100m

Nearby activity

2025 Approved
Rosa's Thai Unit 1 3 - 7 Coney Street York YO1 9QL
Display of 1no. fascia sign and, 1no. externally illuminated hanging sign
25/01915/ADV
2025 Approved
Rosa's Thai Unit 1 3 - 7 Coney Street York YO1 9QL
External works comprising display of 1no. fascia sign, 1no. illuminated hanging sign and…
25/01913/LBC
2025
Lendal Cellars Basement Vaults 26 Lendal York YO1 8AA
Internal and external works to include new external bar, seating, lighting, minor facade…
25/02309/LBC
2025
Lendal Cellars Basement Vaults 26 Lendal York YO1 8AA
Refurbishment of the beer garden including new external bar, seating, lighting, minor fac…
25/02308/FUL
2025 Approved
3 - 7 Coney Street York
Variation of condition 2 of permitted application 23/00420/FUL to alter the approved plan…
25/01784/FUL
2025 Approved
3 - 7 Coney Street York
Variation of condition 2 of permitted application 23/00421/LBC to alter the approved plan…
25/01785/LBC
2025 Approved
Krispy Kreme 4 Coney Street York YO1 9NA
Alterations to shopfront
25/00066/FUL
2025 Approved
The Ivy 2 St Helens Square York YO1 8QP
Repair works to flat roofs and external staircase
25/00073/LBC
2024 Approved
Riverside Gardens North Street York
Installation of floating ecosystem
24/01239/FUL
2024 Approved
Chatime 2 Coney Street York YO1 9NA
External works including repairs, to stonework and brickwork, repointing and external red…
24/01274/LBC
2024 Approved
Paperchase 8 Coney Street York YO1 9NA
Display of 1no. non-illuminated fascia sign and 1no. non-illuminated hanging sign
24/00585/ADV
2024 Approved
Banks Music Room 18 Lendal York YO1 8AU
Display of non-illuminated fascia signs and 1no. externally illuminated projecting sign
24/00669/ADV
2024 Approved
Banks Music Room 18 Lendal York YO1 8AU
Replacement shopfront and plant equipment to rear flat roof
24/00181/FUL
2023 Approved
Ground Floor 22 Lendal York YO1 8AA
Variation of condition 2 (approved plans) of permitted application 22/01109/FUL for alter…
23/01599/FUL
2023 Approved
Ground Floor 22 Lendal York YO1 8AA
Variation of condition 2 (approved plans) of permitted application 22/01082/LBC for alter…
23/01744/LBC
2023
The Old Bank 6 - 12 Lendal York YO1 8AA
External alterations including retention of external lighting units within rear yard
23/01853/LBC
2023
The Old Bank 6 - 12 Lendal York YO1 8AA
Retention of external lighting units within rear yard
23/01852/FUL
2023 Approved
Rustique 2A Lendal York YO1 8AA
Retention of suspended ceiling to ground floor
23/01363/LBC
2020 Approved
The Graduate 6 - 12 Lendal York YO1 8AA
External works to include 2no. non illuminated fascia signs, 1no. externally illuminated…
20/00210/LBC
2020 Withdrawn
The Graduate 6 - 12 Lendal York YO1 8AA
Erection of pergola and installation of external TV and lighting in rear garden area
20/00194/FUL
2018 Approved
York Conservation Trust 14 Lendal York YO1 8AA
Variation of condition 4 of permitted application 17/01485/FUL (Change of use of ground a…
18/00242/FUL
2017 Approved
Harkers Cafe Bar 1 St Helens Square York YO1 8QN
Change of use of public highway to provide outdoor seating area
17/01543/FUL
2017 Approved
Blacks 2 St Helens Square York YO1 8QP
Internal alterations to ceilings and lobby including installation of plant and extraction…
17/02422/LBC
2017 Approved
Blacks 2 St Helens Square York YO1 8QP
Variation of condition 3 of permitted application 17/00910/FUL to allow approved outdoor…
17/02071/FUL
2017 Approved
York Conservation Trust 14 Lendal York YO1 8AA
Internal and external works in connection with change of use of ground and first floors f…
17/01486/LBC
York
Planning Authority Score
3.7/10
Below average
#213 of 296 councils
Relevant to this application:
Householder decisions

York ranks #156 out of 296 councils for householder decision speed. Householder applications are slightly less likely to be approved here (87%) than the national average (90%).

These figures are council-wide context, not a prediction for this application. View full council performance
York decision statistics
Based on MHCLG data, the year to March 2026
82%
Overall approval rate
Below avg (87%) #255 of 296
87%
Householder approved
Below avg (90%) #237 of 296
64%
Decided in 8 weeks
Above avg (63%) #156 of 296
42%
Extended time limit
Above avg (41%) #168 of 296
69%
Minor dwellings approved
104 decided (1-9 homes)
71%
Major dwellings approved
17 decided (10+ homes)
63%
Change of use approved
68 decided
1,278
Total decisions
224 refused in the year to March 2026
Source: MHCLG planning statistics · See full council rankings

Energy performance: Energy performance certificates from the Energy Performance of Buildings Register, Ministry of Housing, Communities and Local Government. Contains public sector information licensed under the Open Government Licence v3.0. © Crown copyright 2026.