Planning application
Merton Hall Cottage Northampton Street Cambridge Cambridgeshire CB3 0AD
Works: Extension Demolition Windows or glazing Small domestic
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Proposal
Refurbishment, repair and alteration works to Merton House and Merton Cottage, including thermal performance upgrades, repair and replacement of roof coverings, associated roof structures, installation of internal wall, floor and roof insulation, repair, refurbishment and selective replacement of windows including secondary and vacuum glazing, replacement of rainwater goods, internal reconfiguration and upgrading of accommodation, damp remediation, structural repairs and underpinning works. Removal of later additions and alterations, demolition and reconstruction of the coach house, stores and associated boundary wall using salvaged materials, demolition of various outbuildings, reconfiguration of access arrangements including formation of an accessible entrance to Merton House, rebuilding and reskinning of the 1960s extension at Merton House, installation of air source heat pump enclosure at Merton Cottage, associated repair, conservation and ancillary works, and works within the registered park and garden.
As published by the council, reference 26/03182/LBC
Application record
- Reference
- 26/03182/LBC
- Type
- Listed Building Consent
- Status
- Awaiting decision
- Received
- 21 Aug 2026
- Validated
- 21 Aug 2026
- Ward
- Newnham
- Postcode
- CB3 0AD
Site history
Applications at this address on the Cambridge register
This site has had 2 applications since 2026.
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26/03198/FUL Awaiting decision
Merton Hall Cottage Northampton Street Cambridge Cambridgeshire CB3 0AD
Erection of student accommodation comprising 48 bedrooms, refurbishment and improvement works to Merton House and Merton Cottage and erection of an Energy Centre including the provision of cycle,bin stores and landscaping.
Timeline
Dates from the published record
-
21 Aug 2026
Received by Cambridge
-
3 Sep 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 October 2026, 8 weeks from validation under the statutory target for most applications. Extensions of time are common and are agreed case by case.
Cambridge took a median of 53 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
DP9 Ltd Agent
Active · incorporated 2004
2,601 applications on PlanIndex · across 36 councils · 98% granted
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See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
106 documents on file for this application
A planning file usually holds the application form, drawings and site plans, consultee responses, the officer's report and the decision notice.
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Open the documentsWhat happens while it is decided
This application is with Cambridge for determination, against a statutory target of eight weeks. Over the last year Cambridge decided heritage and listed building applications in a median of 56 days. More in our guide to how long planning decisions take.
About heritage and listed building applications
Listed building consent is needed for works that affect the special interest of a listed building, and carrying out such works without it is a criminal offence. More in our guide to planning application types.
Nearby applications
Within 0.3 miles
-
Merton Hall Cottage Northampton Street Cambridge Cambridgeshire CB3 0AD
91% historically approved · decision due ~19 Oct
Erection of student accommodation comprising 48 bedrooms, refurbishment and improvement works to Merton House and Merton Cottage and erection of an Energy Centre including the provision of cycle,bin stores and landscaping.
Awaiting decision Full applications 149 docs -
Merton Court St Johns College St Johns Street Cambridge Cambridgeshire
Installation of a footbridge over Bin Brook. Removal of concrete revetments and re-profiling of the banks. Installation and upgrading of existing pathways and associated landscaping to the brook and the areas on either side.
Granted Full applications 67 docs -
Westminster College Madingley Road Cambridge Cambridgeshire CB3 0AA
G1- Lime Trees x 5 - Repollard to previous reduction points removing 4 meters to maintain in their current location.
Granted Trees 5 docs -
21-25 Northampton Street Cambridge Cambridgeshire
S19 application to vary condition 2 (Approved plans) of listed building ref: 22/01050/LBC (Demolition of existing single storey elements (kitchen and toilet), rear boundary wall and art room. Construction of a new single storey link between No.21-24 Northampton Street and first floor rear extension at No.25; replacement of ground floor facade to No.21-24; partial demolition of chimney breast at ground floor in Porter's Lodge lobby; creation of new openings; internal fabric improvements to floors and walls; external insulation; replacement glazing and window casements and secondary glazing; installation of associated plant including PV panels to roof of No.25 and re-roofing of No.21-25; creation of new opening between No.21-24 at first floor; works to the internal roof structure at second floor in No.25) Amendments to the first-floor connection between no.24 and no.25 Northampton Street and The replacement of the metal windows at the back of No.25 Northampton Street.
Granted Conditions Extension Demolition +1 18 docsSmall domestic -
21-25 Northampton Street Cambridge Cambridgeshire
Submission of details required by condition 6 (scheme of insulation for plant) of planning permission 22/01265/FUL Air Source Heat Plant Enclosure Drawing Number 21083-34-500-P1
Granted Conditions 5 docs -
21-25 Northampton Street Cambridge Cambridgeshire
Submission of details required by condition 10 (Species Enhancement) of planning permission 22/01265/FUL ??? Landscape and Ecological Management Plan (Source: MKA Ecology)
Granted Conditions 9 docs
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