100 North Road Cathays Cardiff CF10 3DZ Data via plota.co.uk

26/01500/FUL - Full Planning Permission Approved
Extensions & alterations

Proposal

First floor rear extension to provide new rear access stairway to the first floor flat. Data via plota.co.uk

Track application Save this application and get an email when its status or decision changes. Alerts nearby Get email alerts for new planning applications near this address.
View original council record ↗Last checked

Application progress

✓
Received
20 Jul 2026
✓
Validated
22 Jul 2026
✓
Consultation
23 Jul 2026
✓
Approved
15 Sept 2026

Approved on 15 Sept 2026 · Delegated to Group Leader · Last checked 19 Sept 2026

Documents 12

Decision & officer reports 1

PDF PER FULL APPLICATION DECISION Decision · 15 Sept 2026 View ↗

Statements & assessments 2

PDF DESIGN AND ACCESS STATEMENT Design and Access Statement · 20 Jul 2026 View ↗ PDF GREEN INFRASTRUCTURE STATEMENT Supporting Documents · 20 Jul 2026 View ↗

Plans & drawings 6

PDF PROPOSED PLANS For Determination · 10 Sept 2026 View ↗ PDF PROPOSED ELEVATIONS For Determination · 10 Sept 2026 View ↗ PDF 201 REV 01 PROPOSED PLANS AND ELEVATIONS Superseded · 22 Jul 2026 View ↗ PDF 101 REV 00 EXISTING PLANS Superseded · 20 Jul 2026 View ↗ PDF 201 REV 00 PROPOSED PLANS Superseded · 20 Jul 2026 View ↗ PDF 202 REV 00 PROPOSED ELEVATIONS Superseded · 20 Jul 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 20 Jul 2026 View ↗

Other documents 2

PDF OFFICER'S RECOMMENDATION Report · 15 Sept 2026 View ↗ PDF COVER LETTERS Supporting Documents · 22 Jul 2026 View ↗

All documents on the council site ↗

Site constraints 1

Registered park or garden 77 m away: Cardiff Castle and Bute Park
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.
Not affected
Outside flood zones 2 and 3 · No listed building at the site · 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 area62 m² (667 sq ft)
Energy ratingC (asset rating 60)
UseRetail/Financial and Professional Services
HeatingHeating and Natural Ventilation

From the energy performance certificate lodged in February 2024, the latest held for this property. The building may have changed since. View the certificate

Work with planning data?

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

About Plota's data service

Other new applications on this street

4 Sept 2026Approved

28 North Road Cathays Cardiff CF10 3DY

The silver birch. Remove deadwood, sympathetically rebalance & prune crown to 50...

26/01895/WTCA
26 Aug 2026Pending

6 North Road Cathays Cardiff CF10 3DU

Conversion of office building into a Sui Generis House in Multiple Occupation (H...

26/01820/FUL
18 Aug 2026Approved

8 - 10 North Road Cathays Cardiff CF10 3DY

Conversion of a disused D1 Building (Office) to 3 x C4 Units and 1 x Sui Generis...

26/01754/FUL
7 Jul 2026Approved

2 North Road Cathays Cardiff CF10 3DY

Proposed Non-Material Amendment to Planning Permission 26/00231/FUL to request a...

26/01404/NMA

Nearby new applications

15 Oct 2026Pending

62 Llantrisant Street Cathays Cardiff CF24 4JE

CONVERSION OF CLASS C4 HMO TO LARGE SUI GENERIS HOUSE WITH DORMER LOFT CONVERSIO...

26/02188/FUL
14 Oct 2026Pending

110 Maindy Road Cathays Cardiff CF24 4HQ

Change of Use from Single Dwelling house, to a Six-Bedroom HMO. Erection of a Tw...

26/02165/FUL
5 Oct 2026Pending

27 Gelligaer Street Cathays Cardiff CF24 4LD

Retrospective change of use to a C4 House in Multiple Occupation (HMO)

26/01813/FUL
1 Oct 2026Pending

44 Treherbert Street Cathays Cardiff CF24 4JN

Ground and first floor rear extension and dormer loft conversion.

26/02138/HSE
1 Oct 2026Pending

Fairoak Primary School Whitchurch Road Cathays Cardiff CF14 3JL

Listed Building Consent for additional refurbishment works following 25/01162/LB...

26/02078/LBC
24 Sept 2026Pending

18 Maelog Place Mynachdy Cardiff CF14 3ED

Single storey rear extension.

26/02024/HSE

Important details

Council
Cardiff
Application type
Full Planning Permission
Postcode
CF10 3DZ
Received
20 Jul 2026
Validated
22 Jul 2026
Ward
CATHAYS
Case officer
Show
Target decision
6 Oct 2026
Decision
Permission Granted
Decision date
15 Sept 2026
Decision level
Delegated to Group Leader
Applicant
Show
Agent
KnK Design Studio Ltd

How this decision compares

Decided in 55 days from validation, 5 days slower than Cardiff's median of 50 for extensions. Approved, as 94% of extensions here are.

68%decided within 8 weeks
94%approved
650decided in the last year

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

Public comments

No public comments yet.

9 neighbours consulted · Last counted 19 Sept 2026

Read the comments on the council site ↗

Consultation & key dates

Alt. reference
PP-15093371
Planning Portal ref
PP-15093371
Neighbours
23 Jul 2026
Consultation
23 Jul 2026
Comments by
13 Aug 2026
Env. assessment
No

Historical activity at this location

16 previous applications on record - archival context, not part of the live application.

This property

Previous applications at this address

2023 Approved
Use of premises as shop (A1 use)
23/02636/CLEUD
Within ~100m

Nearby activity

2024 Approved
Advertising Hoarding Bus Shelter 351 North Road Cathays Cardiff
Replace existing Double-sided internally illuminated 6-sheet Bus Shelter advertising disp…
24/02839/ADV
2021 Approved
58 North Road Blackweir Cardiff CF10 3DZ
CONVERSION TO FOUR FLATS WITH SINGLE STOREY REAR EXTENSIONS AND REAR DORMER ROOF EXTENSION
21/01949/MNR
2018 Approved
100 North Road Blackweir Cardiff CF10 3DZ
DISCHARGE OF CONDITION 7 (FUME EXTRACTION SYSTEM) OF 09/00859/C
18/01021/MNR
2019 Approved
21 Blackweir Terrace Blackweir Cardiff CF10 3EQ
GROUND AND FIRST FLOOR REAR EXTENSIONS PLUS INTERNAL ALTERATIONS TO EXISTING C4 HOUSE IN…
19/00473/DCH
2019 Refused
21 Blackweir Terrace Blackweir Cardiff CF10 3EQ
ERECTION OF FRONT DORMER
19/00604/DCH
2018 Approved
100 North Road Blackweir Cardiff CF10 3DZ
REMOVAL OF CONDITION 5 (NO SALE OF HOT FOOD FOR CONSUMPTION OFF THE PREMISES) OF 09/00859…
18/01019/MNR
2017 Approved
33 Blackweir Terrace Blackweir Cardiff CF10 3EQ
REAR GROUND FLOOR EXTENSIONS 4000MM OR LESS DEPTH FROM ORIGINAL MAIN HOUSE AND ANNEX WALL…
17/03109/DCH
2017 Approved
Land Opposite 15-49 Blackweir Terrace Blackweir
DISCHARGE OF CONDITIONS 4 (SITE CLEARANCE) AND 5 (LANDSCAPING) OF 17/01940/MNR
17/02986/MNR
2017 Approved
Land Opposite 15-49 Blackweir Terrace Blackweir
CONSTRUCTION OF NEW CYCLE PATH
17/01940/MNR
2017 Approved
31 Blackweir Terrace Blackweir Cardiff CF10 3EQ
SINGLE & TWO STOREY REAR EXTENSION
17/01193/DCH
2017 Approved
3 Marlborough Terrace Blackweir Cardiff CF10 3DW
SINGLE STOREY EXTENSION TO THE REAR OF EXISTING 2 BEDROOM TERRACE HOUSE.
17/00115/DCH
2016 Approved
47 Blackweir Terrace Blackweir Cardiff CF10 3EQ
FIRST FLOOR REAR EXTENSION, REAR DORMER ROOF EXTENSION, INSERTION OF 1 NO. ROOF LIGHTS TO…
16/02869/DCH
2016 Refused
Rear Of 56 North Road Blackweir Cardiff CF10 3DZ
FIRST FLOOR EXTENSION TO PROVIDE 2 BEDROOMED SELF CONTAINED FLAT
16/02767/MNR
2016 Approved
47 Blackweir Terrace Blackweir Cardiff CF10 3EQ
LAWFUL USE AS EXISTING C4 HOUSE IN MULTIPLE OCCUPATION
16/03004/MNR
2016 Approved
92 North Road Blackweir Cardiff CF10 3DZ
GROUND FLOOR REAR EXTENSION TO C4 HOUSE IN MULTI-OCCUPATION
16/01410/DCH

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.