Cavendish Laboratory 19 J J Thomson Avenue Cambridge Cambridgeshire CB3 0HE Data via plota.co.uk

26/02803/PRIOR - Prior Approval Approved

Proposal

Demolition will cover a series of buildings known collectively as the Cavendish Laboratory:Mott Building, Bragg Building, Link Building, Rutherford Building, Microelectronics Research Centre, Kapitza Building along with various ancillary structures and hardstanding associated with the buildings. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
23 Jul 2026
✓
Validated
24 Jul 2026
✓
Approved
19 Aug 2026

Approved on 19 Aug 2026 · Delegated Decision · Last checked 19 Aug 2026

Site constraints 2

Also on the record
Inside the Cambridge (Cambridge) built-up area; Natural England's Provisional ALC map (1:250,000, 1970s) had this area as grade 3, but it predates the buildings here and the current map does not class it as farmland.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building 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.

Building

Floor area4,595 m² (49,460 sq ft)
Energy ratingB (asset rating 35)
UseC2 Residential Institutions - Universities and colleges
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in November 2015, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Cambridge
Application type
Prior Approval
Postcode
CB3 0HE
Received
23 Jul 2026
Validated
24 Jul 2026
Ward
Newnham
Case officer
Show
Target decision
20 Aug 2026
Decision
Prior Approval Not Required
Decision date
19 Aug 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Director of Estates

How this decision compares

Decided in 26 days from validation, 29 days faster than Cambridge's median of 55 for demolitions. Approved, as 95% of demolitions here are.

78%decided within 8 weeks
95%approved
86decided in the last year

Plota live figures for demolitions decided by Cambridge in the last twelve months, from validation. Cambridge decision record →

Public comments

No public comments yet.

Last counted 19 Aug 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
20 Aug 2026
Env. assessment
No
Cambridge
Planning Authority Score
8.3/10
Excellent
#18 of 296 councils
Relevant to this application:
Householder decisions

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%).

Among the fastest councils in England
for householder decisions
These figures are council-wide context, not a prediction for this application. View full council performance
Cambridge decision statistics
Based on MHCLG data, the year to March 2026
90%
Overall approval rate
Above avg (87%) #108 of 296
94%
Householder approved
Above avg (90%) #100 of 296
86%
Decided in 8 weeks
Above avg (63%) #21 of 296
26%
Extended time limit
Below avg (41%) #34 of 296
74%
Minor dwellings approved
86 decided (1-9 homes)
80%
Major dwellings approved
5 decided (10+ homes)
80%
Change of use approved
41 decided
1,014
Total decisions
100 refused in the year to March 2026

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.