12 Seymour Street Splott Cardiff CF24 2NQ Data via plota.co.uk

26/01837/FUL - Full Planning Permission Registered

Proposal

Change of use from a dwellinghouse to a class C4 House in Multiple Occupatio (HMO). Data via plota.co.uk

View original council record ↗Last checked

Application progress

✓
Received
31 Aug 2026
✓
Validated
4 Sept 2026
✓
Consultation
8 Sept 2026
Decision
Expected by 9 Nov 2026

Under consideration

No decision has been issued yet. Plota predicts a decision around 28 Oct 2026, from Cardiff's recent changes of use.

The consultation period closed on 29 Sept 2026.

Site constraints 1

Also on the record
1 listed building within 150 m.
Not affected
Outside flood zones 2 and 3 · No scheduled monument 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 area113 m² (1,216 sq ft)
Energy ratingD (67 out of 100), could reach C
PropertyMid-terrace house, 7 habitable rooms
BuiltBefore 1900
HeatingBoiler and radiators, mains gas
WallsGranite or whin, as built, no insulation (assumed)

From the energy performance certificate lodged in June 2026, the latest held for this property. The building may have changed since. View the certificate

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Important details

Council
Cardiff
Application type
Full Planning Permission
Postcode
CF24 2NQ
Received
31 Aug 2026
Validated
4 Sept 2026
Ward
SPLOTT
Case officer
Show
Target decision
9 Nov 2026
Applicant
Show

Decision outlook

Day 54, past Cardiff's usual 44 days for changes of use. 77% are decided within thirteen weeks, so most likely by 4 Dec 2026.

Day 542 days to the 56-day target
62%decided within 8 weeks
92%approved
144decided in the last year

Plota live figures for changes of use decided by Cardiff in the last twelve months, from validation. Cardiff decision record →

Public comments

8comments received
8 objecting

100% object · above the UK average of 74%

6 neighbours consulted · Last counted 27 Oct 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15193613
Planning Portal ref
PP-15193613
Neighbours
8 Sept 2026
Consultation
8 Sept 2026
Comments by
29 Sept 2026
Env. assessment
No

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.