Planning application
40 Chalmers Road Cambridge Cambridgeshire CB1 3SX
Works: Extension Small domestic
Read from the description, not a valuation. How we read the register
Still open. Anyone can comment while the consultation period runs, and comments go to the council rather than to us.
Proposal
Single storey side extension.
As published by the council, reference 26/02695/HFUL
Application record
- Reference
- 26/02695/HFUL
- Type
- Householder Works/Extension
- Status
- Awaiting decision
- Received
- 16 Jul 2026
- Validated
- 22 Jul 2026
- Ward
- Coleridge
- Postcode
- CB1 3SX
Timeline
Dates from the published record
-
16 Jul 2026
Received by Cambridge
-
22 Jul 2026
Validated
Checked as complete and ready for consideration.
-
28 Jul 2026
Added to PlanIndex
-
Decision
Awaiting decision
Decision expected by 16 September 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 52 days over the applications it decided in the last year.
Who's behind it
Company information only, from the register and Companies House
AMA Chartered Architects Agent, an architecture practice
18 applications on PlanIndex · across 7 councils · 100% granted
Trade members see everything this firm has filed, how it was decided, and get an email the day it files again.
See their track recordDocuments
Plans, drawings, consultee responses and the officer's report
13 documents on file for this application
- DRAINAGE
- ACKNOWLEDGEMENT LETTER
- MAP OF NOTIFIED NEIGHBOURS
- HOUSEHOLDER FRA FORM
- INVALID LETTER
- APPLICATION FORM - NO PERSONAL INFO
- FEE CALCULATION
- ATTACHMENT SUMMARY FROM PORTAL
- DESIGN & ACCESS STATEMENT
- LOCATION AND SITE PLAN
- PROPOSED PLAN AND ELEVATIONS
- EXISTING AND PROPOSED ROOF PLAN
- EXISTING PLAN AND ELEVATIONS
Trade members open them from here.
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 householder applications in a median of 56 days. More in our guide to how long planning decisions take.
About householder applications
Householder applications cover work to an existing house and its garden, such as extensions, lofts and outbuildings, and cannot create a separate dwelling or change what the building is used for. More in our guide to planning application types.
Nearby applications
Within 500 metres
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22 Chalmers Road Cambridge CB1 3SX
Part two storey, part single storey rear and side extension. Hip to gable roof extension with raising of ridge height, rear box dormer with Juliet balcony and front roof lights.
Granted Householder Extension Loft or dormer +1 19 docsSmall domestic -
51 Chalmers Road Cambridge Cambridgeshire CB1 3SZ
Annexe to the rear of the garden
Refused Householder 15 docsDomestic -
Existing 17M Telecommunications Monopole Cherry Hinton Road Cambridge CB1 8DQ
A 20m high lattice tower with 12 apertures, within the existing 2.7m palisade fencing compound, additional cabinets and removal of the existing 17m monopole and redundant equipment.
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67 Perne Road Cambridge CB1 3RX
Submission of details required by conditions 6 (Boundary treatments), 7 (Hard and soft landscape works) and 10 (Scheme for flood resilient/resistant construction) of planning permission 19/0866/FUL
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The Paddocks 347 Cherry Hinton Road Cambridge Cambridgeshire CB1 8DH
Removal of 17m phase 4 pole and replacement with 18m phase 7.2 pole supporting associated telecoms apparatus and a wraparound cabinet, internal cabin works, ancillary development.
Decided Telecoms 8 docs -
65 Perne Road Cambridge Cambridgeshire CB1 3RX
Demolish existing garage. Single storey rear and side extension.
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Other householder applications
In Cambridge
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26/02245/HFUL Granted
27 Nightingale Avenue Cambridge Cambridgeshire CB1 8SG
Removal of chimney. Refurbishment of single storey front bay window with new linked porch. Refurbishment of single storey garage including raising of roof height and installation of roof lights, with addition of lean-to fenced enclosure with glass roof for bin/bike storage and air-source heat pump to front elevation. First floor side extensions and single storey side/rear extensions. Extension of dropped kerb and move street light. Raising of ridge height and installation of solar panels and roof lights to rear and side facing roof slopes. Application of external insulated render and timber cladding, alterations to fenestration and installation of windows to ground floor side.
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26/02645/HFUL Granted
12 Guest Road Cambridge Cambridgeshire CB1 2AL
Single storey side/rear extension. Roof extension incorporating front and rear dormers and front roof light.
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26/02642/HFUL Granted
2 Gough Way Cambridge Cambridgeshire CB3 9LN
Proposed replacement cycle store / shed
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26/02612/HFUL Granted
40 Victoria Park Cambridge Cambridgeshire CB4 3EL
Roof extension including rear dormer and 2no. rooflights to front.
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26/02731/HFUL Granted
44 Harding Way Cambridge Cambridgeshire CB4 3RR
Single storey rear extension.