25 Portugal Place Cambridge Cambridgeshire CB5 8AF Data via plota.co.uk

25/04274/LBC - Listed Building Consent Approved

Proposal

Lowering the basement floor and underpinning, enlarging 1no. new basement window at rear, partially removing internal chimney stacks, reinforcing and sound insulating internal floors, roof repair, re-cladding existing dormer window, constructing 1no. new dormer windows to rear and 3no. new rooflights to front, new staircase to loft. Installation of Air source heat pump. Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
3 Nov 2025
✓
Consultation
21 Nov 2025
✓
Approved
3 Feb 2026

Approved on 3 Feb 2026 · Delegated Decision · Last checked 7 Oct 2026

Site constraints 6

Grade II listed: 23-27, Portugal Place
List entry 1126100 · The pin is inside its outline · 40 more listed buildings within 150 m (3 Grade I, 1 Grade II*, 36 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 40 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 ↗
Registered park or garden 81 m away: St John's College
Its setting is a consideration for work nearby.
Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.
Historic England ↗
Also on the record
Inside the Cambridge (Cambridge) built-up area; National infrastructure project 1842 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 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 2

Last sold for £500,000 in February 2019. Terraced house, freehold.

28 February 2019£500,000
14 March 2003£380,000

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

Building

Floor area142 m² (1,528 sq ft)
Energy ratingC (74 out of 100), could reach B
PropertyMid-terrace house, 5 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsSolid brick, as built, no insulation (assumed)

From the energy performance certificate lodged in November 2025, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

Every application in Cambridge - and every UK council - as a live feed, an API, or a bulk CSV export.

About Plota's data service

Important details

Council
Cambridge
Application type
Listed Building Consent
Postcode
CB5 8AF
Received
3 Nov 2025
Validated
3 Nov 2025
Ward
Market
Case officer
Show
Target decision
3 Feb 2026
Decision
Granted Permission
Decision date
3 Feb 2026
Decision level
Delegated Decision
Applicant
Show
Agent
Maiia Williams Architects Ltd

How this decision compares

Decided in 92 days from validation, 37 days slower than Cambridge's median of 55 for listed building works. Approved, as 97% of listed building works here are.

66%decided within 8 weeks
97%approved
146decided in the last year

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

Public comments

No public comments yet.

7 neighbours consulted · Last counted 7 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Site or press notice
21 Nov 2025
Statutory expiry
29 Dec 2025
Env. assessment
No
Cambridge
Planning Authority Score
8.3/10
Excellent
#18 of 296 councils
Relevant to this application:
Other 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

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.