12, Derwent Street, Keswick, Cumbria, CA12 5AN Data via plota.co.uk

7/2026/2140 - Full Planning application Approved
Extensions & alterations

Proposal

Proposed alterations to rear elevation Data via plota.co.uk

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View original council record ↗Last checked

Application progress

✓
Received
10 Aug 2026
✓
Validated
21 Aug 2026
✓
Approved
21 Sept 2026

Approved on 21 Sept 2026 · Delegated · Last checked 22 Sept 2026

Documents

View the documents on the council's website ↗

Site constraints 20

Water Supply and WastePrevious planning applicationsEnforcement noticesSites and monuments record (SMR)Nutrient Neutrality CatchmentKeswickPolicy 01 Support - National and international significance of the Lake DistrictPolicy 02 Support - Spatial strategeyPolicy 06 Support - Design and developmentPolicy 07 Support - Historic environment
Nutrient neutrality catchment: River Derwent & Bassenthwaite Lake SAC
New homes and overnight accommodation must show nutrient neutrality before approval.
Natural England advice: extra wastewater in these catchments harms protected habitats, so schemes must offset their nutrient load, usually through credits.
Lake District National Park
The park authority decides applications here. Great weight to conserving the landscape; major development restricted.
Landscape, scenic beauty and wildlife carry great weight, and major development is only allowed in exceptional circumstances.
World heritage site: The English Lake District
Nationally designated heritage. Its significance and setting carry great weight.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Keswick conservation area
Also Keswick. 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.
Article 4 direction
Keswick Town Centre. Named permitted development rights are withdrawn here.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.
12 listed buildings within 150 m
Nearest: 4 and 6, Derwent Street, Grade II, 20 m away · 1 Grade II*, 11 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 12 with distances
Historic England ↗
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Special area of conservation 292 m away: River Derwent & Bassenthwaite Lake
Work nearby can need a habitats assessment.
Harm to a protected site is only accepted where there is no alternative and an overriding public interest.
Water Supply and WasteCouncil record
Recorded by the council for this site.
Council site ↗
Previous planning applicationsCouncil record
Recorded by the council for this site.
Council site ↗
Enforcement noticesCouncil record
Recorded by the council for this site.
Council site ↗
Sites and monuments record (SMR)Council record
Recorded by the council for this site.
Council site ↗
Nutrient Neutrality CatchmentCouncil record
Recorded by the council for this site.
Council site ↗
KeswickCouncil record
Recorded by the council for this site.
Council site ↗
Policy 01 Support - National and international significance of the Lake DistrictCouncil record
Recorded by the council for this site.
Council site ↗
Policy 02 Support - Spatial strategeyCouncil record
Recorded by the council for this site.
Council site ↗
Policy 06 Support - Design and developmentCouncil record
Recorded by the council for this site.
Council site ↗
Policy 07 Support - Historic environmentCouncil record
Recorded by the council for this site.
Council site ↗
Also on the record
SSSI 292 m away: Buttermere SSSI; Inside the Keswick built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 6 October 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.

Sales history 1

Last sold for £300,000 in November 2023. Terraced house, freehold.

16 November 2023£300,000

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

Building

Floor area115 m² (1,238 sq ft)
Energy ratingD (58 out of 100), could reach C
PropertyMid-terrace house, 5 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsGranite or whinstone, as built, no insulation (assumed)

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

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Important details

Council
Lake District
Application type
Full Planning application
Postcode
CA12 5AN
Received
10 Aug 2026
Validated
21 Aug 2026
Ward
Keswick Ward
Parish
Keswick
Case officer
Show
Target decision
4 Oct 2026
Decision
Approved with Conditions
Decision date
21 Sept 2026
Decision level
Delegated
Applicant
Show
Agent
Martin Cuthell Ltd

How this decision compares

Decided in 31 days from validation, 18 days faster than Lake District's median of 49 for extensions. Approved, as 88% of extensions here are.

72%decided within 8 weeks
88%approved
225decided in the last year

Plota live figures for extensions decided by Lake District in the last twelve months, from validation. Lake District decision record →

Consultation & key dates

Alt. reference
PP-15109673
Comments by
17 Sept 2026
Site or press notice
4 Sept 2026
Statutory expiry
19 Oct 2026

Historical activity at this location

25 nearby applications on record - archival context, not part of the live application.

Within ~100m

Nearby activity

2025 Refused
The Archway, 17, St John Street, Keswick, Cumbria, CA12 5AE
Replacent of wooden sliding sash windows on the front and side elevations
7/2025/2200
2025 Approved
The Hollies, Flat 1 High Street, Keswick, CA12 5AH
Cypress tree (listed as T1 in the notification) - Fell to ground level.
T/2025/0218
2025 Approved
Flat 1, The Hollies, High Street, Keswick, CA12 5AH
Cypress tree (T1 in notification) - Reduce height to approx 6ft height to form a hedge, a…
T/2025/0143
2025 Approved
1 Southey Yard, Southey Street, Keswick, Cumbria, CA12 4EF
Change of use of unit from workshop/storage to gym and sports therapy clinic
7/2025/2017
2024 Approved
The Annex, 12 , Derwent Street, Keswick, Cumbria, CA12 5AN
Alterations to external materials to front elevation
7/2024/2131
2024
12 , Derwent Street, Keswick, Cumbria, CA12 5AN
Sub division of existing holiday let dwelling to form 1 bedroom holiday let and 1 bedroom…
7/2024/2148
2024 Refused
Town Head House, 25 St Johns Street, Keswick, CA12 5AE
Proposed glass infill extension to connect existing house and outbuildings and Internal a…
7/2024/2049
2024 Refused
Town Head House, 25 St Johns Street, Keswick, CA12 5AE
Proposed glass infill extension to connect existing house and outbuildings and Internal a…
7/2024/2050
2024 Approved
Town Head House, 25 St Johns Street, Keswick, CA12 5AE
Replacement of existing greenhouse
7/2024/2022
2023 Approved
21, St Johns Street, Keswick, CA12 5AE
2 x Birch trees (listed as T1 & T2 in the notification) - Reduce to just below previous r…
T/2023/0195
2023 Approved
St Johns Church, St John Street, Keswick, CA12 4DD
The installation of 1 No. GPS node to be mounted to the external wall of stair turret at…
7/2023/2192
2023 Withdrawn
25, St Johns Street, Keswick, CA12 5AE
Internal and elevational alterations to existing house and outbuildings, new infill exten…
7/2023/2148
2023 Withdrawn
25, St Johns Street, Keswick, CA12 5AE
Internal and elevational alterations to existing house and outbuildings, new infill exten…
7/2023/2149
2023 Approved
St John's House, St John's Street, Keswick, CA12 5AP
First floor balcony to side extension
7/2023/2129
2023
30-36 Southey Street, Keswick, CA12 4EF
Replace roof coverings and install solar pv
7/2023/2111
2023
Cumbria House, 1, Derwentwater Place, Keswick, CA12 4DR
Change of use of Guesthouse to flexible use of guesthouse or self catering
7/2023/2091
2023
Cumbria House, 1, Derwentwater Place, Keswick, CA12 4DR
Change of use of guesthouse to dwelling
CCTest8
2022 Approved
Alhambra Cinema, St. Johns Street, Keswick, CA12 5AG
Install a microgeneration installation on two of the slate roofs which face south east an…
7/2022/2218
2022 Approved
Flat 1, The Hollies, High Street, Keswick, CA12 5AH
4 x Rowan trees (marked with blue arrows in notification) - Fell to ground level. 1 x Wil…
T/2022/0122
2021 Approved
Lyndhurst, 22, Southey Street, Keswick, CA12 4EF
Change of use of guesthouse to flexible use as a guesthouse or self-catering holiday lett…
7/2021/2360
2016 Refused
8, Southey Street, Keswick, CA12 4EF
Replacement of existing wooden sash windows to uPVC sliding sash windows
7/2016/2220
2016 Approved
Grounds of St. Johns Old School, Church Lane, Keswick, CA12 5PZ
Fell 4 fir trees, 1 dead tree and 1 silver birch. Top 1 silver birch and 1 lime. Cut back…
T/2016/0118
2016 Approved
Cumbria House, 1, Derwentwater Place, Keswick, CA12 4DR
Fell 2 x sliver birch trees located in the guest house car park
T/2016/0095
2016 Approved
13, Church Street, Keswick, CA12 4DT
Remove 1 x Silver Birch
T/2016/0097
2016
6 , High Street, Keswick, Cumbria, CA12 5AQ
New ground floor lean to extension and layout to integrate a new kitchen, dining and livi…
7/2016/2074

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

Freehold boundary: © Crown copyright and database rights 2026, HM Land Registry. Polygons © Crown copyright and database rights 2026 Ordnance Survey 100026316. Conditions of use

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.