174 Thoday Street Cambridge Cambridgeshire CB1 3AX Data via plota.co.uk

25/03781/FUL - Full Application Approved

Proposal

Two storey side extension, hip to gable roof extension including rear dormer and part single storey, part two storey rear extension. Change of use from C3 (dwelling) to C4 (HMO) for 6 persons along with bin and cycle storage to front. External render/insulation. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
29 Sept 2025
✓
Validated
2 Oct 2025
✓
Approved
14 Jan 2026

Approved on 14 Jan 2026 · Delegated Decision · Last checked 10 Oct 2026

Documents 19

All documents on the council site ↗

Associated applications 2

Site constraints 4

Also on the record
Conservation area 24 m away: Mill Road; Local nature reserve 413 m away: Coldham's Common; National infrastructure project 296 m away: East West Rail - Bedford to Cambridge and Western improvements, at pre-application; Inside the Cambridge (Cambridge) built-up area.
Not affected
Outside flood zones 2 and 3 · Not green belt · No listed building at the site

Checked on 2 November 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 1

Last sold for £380,000 in July 2025. Semi-detached house, freehold.

31 July 2025£380,000Recorded as a transfer outside a standard sale

Sale prices from HM Land Registry's price paid record, matched to this application by its address.

Building

Floor area74 m² (797 sq ft)
Energy ratingG (8 out of 100), could reach B
PropertySemi-detached house, 5 habitable rooms
Built1930 to 1949
HeatingElectric ceiling heating
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in September 2024, 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
Full Application
Postcode
CB1 3AX
Received
29 Sept 2025
Validated
2 Oct 2025
Ward
Romsey
Case officer
Show
Target decision
20 Jan 2026
Decision
Granted Permission
Decision date
14 Jan 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Michael Bullivant Associates
Freehold owner
Show

How this decision compares

Decided in 104 days from validation, 42 days slower than Cambridge's median of 62 for full applications. Approved, as 90% of full applications here are.

46%decided within 8 weeks
90%approved
10%go to committee

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

Public comments

No public comments yet.

7 neighbours consulted · Last counted 10 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Statutory expiry
27 Nov 2025
Env. assessment
No
Cambridge
Planning Authority Score
8.3/10
Excellent
#18 of 296 councils
Relevant to this application:
Change of use

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

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.

Freehold owner: Information produced by HM Land Registry. © Crown copyright 2026. Source: HM Land Registry, UK and overseas companies that own property in England and Wales, September 2026 release.