12 Alpha Road Cambridge Cambridgeshire CB4 3DG Data via plota.co.uk
Proposal
Single storey side and rear extensions. Rooflights to rear roof. Installation of Air Source Heat Pump and PV Solar Panels. Data via plota.co.uk
Application progress
Under consideration
No decision has been issued yet. Plota predicts a decision around 15 Nov 2026, from Cambridge's recent extensions.
Documents 10
Statements & assessments 1
Application forms 2
Consultation & comments 1
Other documents 6
Site constraints 6
Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the Planning Inspectorate 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 5
Last sold for £980,000 in December 2025. Detached house, freehold.
Sale prices from HM Land Registry's price paid record, matched to this application by its address.
Building
From the energy performance certificate lodged in March 2019, the latest held for this property. The building may have changed since. View the certificate
Every application in Cambridge - and every UK council - as a live feed, an API, or a bulk CSV export.
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Important details
Decision outlook
Day 17 of the 56-day target. Cambridge usually decides extensions by day 54.
Plota live figures for extensions decided by Cambridge in the last twelve months, from validation. Cambridge decision record →
Public comments
No public comments yet.
4 neighbours consulted · Last counted 7 Oct 2026
Consultation & key dates
- Site or press notice
- 30 Sept 2026
- Statutory expiry
- 17 Nov 2026
- Env. assessment
- No
Historical activity at this location
25 nearby applications on record - archival context, not part of the live application.
Nearby activity
Cambridge is one of the fastest councils in England for householder decisions, ranking #21 out of 296. Only 26% of applications have the time limit extended, well below the 41% national average - the council usually decides on time. Householder applications are slightly more likely to be approved here (94%) than the national average (90%).
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.
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12 Alpha Road Cambridge Cambridgeshire CB4 3DG
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