51-52 Trumpington Street Cambridge Cambridgeshire CB2 1RG Data via plota.co.uk

26/03978/LBC - Listed Building Consent Awaiting decision

Proposal

Replacement of external roof top HVAC condensers and ventilation cowls, installation of 1no additional roof top ventilation cowl, replacement of 6no. modern exterior glazed pavement light lenses with cast iron ventilation blocks and replacement of the painted timber side door to 51 Trumpington Street onto Downing Street, with partially glazed, painted timber door. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
21 Oct 2026
✓
Validated
27 Oct 2026
Decision
Expected by 22 Dec 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 21 Dec 2026, from South Cambridgeshire's recent utility and infrastructure works.

Site constraints 8

Grade II listed: 52, Trumpington Street
List entry 1331904 · The pin is inside its outline · 73 more listed buildings within 150 m (11 Grade I, 3 Grade II*, 59 Grade II)
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 the other 73 with distances
Historic England ↗
Historic Core conservation area
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.
Council document ↗
Air quality management area: Cambridge AQMA
The council has declared the area as failing an air quality objective.
Schemes that add traffic, parking or combustion plant are assessed against the area's action plan and may need an air quality assessment.
Council record ↗
Local nature reserve 183 m away: Sheep's Green and Coe Fen
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.
Habitat network: Network Enhancement Zone 2
Where habitat is joined up enough to work as a network. Context, not a constraint on its own.
Also on the record
Registered park or garden 121 m away: Queens' College; Inside the Cambridge (Cambridge) built-up area; National infrastructure project 1485 m away: East West Rail - Bedford to Cambridge and Western improvements, at pre-application.
Not affected
Outside flood zones 2 and 3 · Not green belt · No scheduled monument at the site

Checked on 28 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.

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Important details

Application type
Listed Building Consent
Postcode
CB2 1RG
Received
21 Oct 2026
Validated
27 Oct 2026
Ward
Market
Case officer
Show
Target decision
22 Dec 2026
Applicant
Show
Agent
Loci Interiors Ltd

Decision outlook

Day 2 of the 56-day target. South Cambridgeshire usually decides utility and infrastructure works by day 55.

Day 254 days to the 56-day target
59%decided within 8 weeks
93%approved
90decided in the last year

Plota live figures for utility and infrastructure works decided by South Cambridgeshire in the last twelve months, from validation. South Cambridgeshire decision record →

Public comments

No public comments yet.

Last counted 28 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Site or press notice
4 Nov 2026
Statutory expiry
22 Dec 2026
Env. assessment
No
South Cambridgeshire
Planning Authority Score
8.1/10
Excellent
#25 of 296 councils
Relevant to this application:
Other decisions

South Cambridgeshire is one of the fastest councils in England for householder decisions, ranking #24 out of 296. Householder applications are slightly more likely to be approved here (95%) 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
South Cambridgeshire decision statistics
Based on MHCLG data, the year to March 2026
94%
Overall approval rate
Above avg (87%) #45 of 296
95%
Householder approved
Above avg (90%) #91 of 296
84%
Decided in 8 weeks
Above avg (63%) #24 of 296
31%
Extended time limit
Below avg (41%) #60 of 296
86%
Minor dwellings approved
215 decided (1-9 homes)
96%
Major dwellings approved
27 decided (10+ homes)
79%
Change of use approved
38 decided
1,509
Total decisions
96 refused in the year to March 2026