Planning Applications in Old St. Mellons

Planning authority: City of Cardiff Council

Search current and historic planning applications in Old St. Mellons, Cardiff, published by City of Cardiff Council - 1 application in the last 30 days and 41 in the last 12 months. Explore them on the map, apply detailed filters, or receive free alerts for new proposals.

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Showing 41 applications
26/01638/WTTPFP 3 Aug 2026 Approved

41 Hastings Crescent Old St Mellons Cardiff CF3 5DF

41 Hastings Crescent works to trees T2 (beech) and T3 (lime) as per submitted report. The pines referenced are not covered by a TPO.

Works to Trees Fell/Prune Trees in TPO Cardiff 3 Aug 2026
26/01452/NMA 13 Jul 2026 Approved

20 Ruperra Close Old St Mellons Cardiff CF3 6HX

Proposed Non-Material Amendment to Planning Permission 26/00673/HSE- Relocation of windows and doors and small infill between the main house and side ...

Non Material Amendment Cardiff 13 Jul 2026
26/01347/DOC 29 Jun 2026 Registered

St Julians Cottage Bridge Road Old St Mellons Cardiff CF3 6YJ

Discharge of condition 3 (Remediation Scheme) of 24/02463/FUL.

Discharge of Condition(s) Cardiff 29 Jun 2026
26/01053/WTTPFP 19 May 2026 Approved

27 Hastings Crescent Old St Mellons Cardiff CF3 5DF

Works to TPO 129/T13 1 mature Tillia lime tree front of properties. survey recently carried out and has recommended a 15 % crown thin/ climbing inspec...

Works to Trees Fell/Prune Trees in TPO Cardiff 19 May 2026
26/00906/FUL 7 May 2026 Registered

Plot A Wern Fawr Lane Old St Mellons Cardiff CF3 5EA

Development of a discount retail foodstore (Use Class A1), together with access, parking, external lighting, landscaping, drainage, and other associat...

Full Planning Permission Cardiff 7 May 2026
26/00960/REN 14 May 2026 Approved

Ty Rato Ty'r Winch Road Old St Mellons Cardiff CF3 5UX

Renewal of Planning Permission 21/00937/DCH for a side extension to create granny annexe.

Renewal of previous permission Cardiff 14 May 2026
26/00673/HSE 10 Apr 2026 Decided

20 Ruperra Close Old St Mellons Cardiff CF3 6HX

New front porch, ground and first floor side extensions, proposed car port and other associated works.

Cardiff 10 Apr 2026
26/00581/WTTPF 20 Mar 2026 Approved

Marleigh Lodge Druidstone Road Old St Mellons Cardiff CF3 6XD

Marleigh Lodge Cypress Avenue: - T1 Group tree 18m high, suppressed canopy towards neighbouring trees, full canopy towards light, stem breaks into 5 /...

Works to Trees Fell Trees in TPO Cardiff 20 Mar 2026
26/00582/WTTPP 20 Mar 2026 Approved

17 Hastings Crescent Old St Mellons Cardiff CF3 5DF

Garden of 17 Hastings Crescent - as per submitted tree report remove x1 low lateral branch from pine T1 as per the submitted tree report

Works to Trees Prune Trees in TPO Cardiff 20 Mar 2026
26/00550/HSE 19 Mar 2026 Approved

Brook House Began Road Old St Mellons Cardiff CF3 6XJ

Construction of garage and first floor office.

Householder Planning Permission Cardiff 19 Mar 2026
26/00530/HSE 25 Mar 2026 Approved

Brook House Began Road Old St Mellons Cardiff CF3 6XJ

Construction of a pavilion for an existing swimming pool.

Householder Planning Permission Cardiff 25 Mar 2026
26/00461/CLPUD 11 Mar 2026 Approved

54 Ty-to-maen Close Old St Mellons Cardiff CF3 5EZ

Demolition of existing conservatory and construction of rear single storey extension and replacement of garage roof.

Cert of Lawfulness Proposed (s192) Cardiff 11 Mar 2026
26/00279/DOC 10 Feb 2026 Decided

St Julians House Bridge Road Old St Mellons Cardiff CF3 6YJ

Discharge of Condition 8 (External Lighting) of 24/02463/FUL

Discharge of Condition(s) Cardiff 10 Feb 2026
26/00217/DOC 5 Feb 2026 Decided

9 Melville Avenue Old St Mellons Cardiff CF3 5TZ

Discharge of Conditions 3 (Arboricultural Method Statement and Tree Protection) and 4 (Soft Landscaping) of 25/02410/HSE.

Discharge of Condition(s) Cardiff 5 Feb 2026
26/00116/NMA 21 Jan 2026 Registered

Land Adjacent To Little Began House Began Road Old St Mellons Cardiff CF3 6XJ

Proposed Non-Material Amendment to Planning Permission 21/02490/MNR - Amendment to highway access for Plot 1.

Non Material Amendment Cardiff 21 Jan 2026
26/00105/FUL 20 Jan 2026 Approved

Paddock South Of St Mellons Road Old St Mellons Cardiff CF3 6YJ

New vehicle crossover across landscaped verge to provide access to existing paddock from adopted highway

Full Planning Permission Cardiff 20 Jan 2026
26/00017/OUT 9 Jan 2026 Refused

Land Adjacent To Cefn Eurwg Druidstone Road Old St Mellons Cardiff CF3 6XD

Construction of a single storey detached bungalow.

Outline Planning Permission Cardiff 9 Jan 2026
25/02949/HSE Archive 17 Dec 2025 Approved

154 Countisbury Avenue Llanrumney Cardiff CF3 5RS

Demolition of existing conservatory and replacement with single storey rear extension.

Cardiff 17 Dec 2025
25/02873/FUL Archive 4 Dec 2025 Pending

Part Of Land At Pentwyn Cottage St Mellons Road Pontprennau Cardiff CF14 0SH

Provision of two houses within garden to Pentwyn Cottage.

Cardiff 4 Dec 2025
25/02794/HSE Archive 27 Nov 2025 Pending

49 Oakleafe Drive Pontprennau Cardiff CF23 8AL

Construction of a patio and means of enclosure.

Cardiff 27 Nov 2025
25/02789/HSE Archive 26 Nov 2025 Approved

20 Ruperra Close Old St Mellons Cardiff CF3 6HX

FIrst floor side extensions, ground floor side and rear extension, and relocation of carport, including associated external alterations.

Cardiff 26 Nov 2025
25/02754/HSE Archive 25 Nov 2025 Approved

Little Acre Druidstone Road Old St Mellons Cardiff CF3 6XD

Conversion of the existing double garage into a home office, the erection of a garage and retention of rear structure.

Cardiff 25 Nov 2025
25/02734/WTTPF Archive 24 Nov 2025 Approved

9 Melville Avenue Old St Mellons Cardiff CF3 5TZ

Removal of a section of hedge which includes 4 TPO trees

Cardiff 24 Nov 2025
25/02742/HSE Archive 24 Nov 2025 Approved

29 Wyncliffe Gardens Pentwyn Cardiff CF23 7FA

Installation of an Air Source Heat Pump.

Cardiff 24 Nov 2025
25/02645/HSE Archive 13 Nov 2025 Pending

The Cottage The Ton Old St Mellons Cardiff CF3 5UR

Replacement roofing, front porch and front windows. Removal of boundary walls, relocation of garage door, flat roof garage port and various front gard...

Cardiff 13 Nov 2025
25/02542/ADV Archive 4 Nov 2025 Pending

Land At St Mellons Road Lisvane Cardiff

Land Acquired boards. 6m tall sign board showing company logo, "Land Acquired" and contact information.

Cardiff 4 Nov 2025
25/02551/DOC Archive 4 Nov 2025 Pending

Becketts House Bridge Road Old St Mellons Cardiff CF3 6UY

Discharge of Condition 24 (Cycle Parking) of 22/00608/MNR

Cardiff 4 Nov 2025
25/02523/WTTPFP Archive 3 Nov 2025 Approved

20 Felbrigg Crescent Pontprennau Cardiff CF23 8SE

T1 Oak tree situated in rear garden, crown reduce by approximately 1 to 1.5 metres back to suitable live growth points, remove major deadwood, split o...

Cardiff 3 Nov 2025
25/02510/HSE Archive 30 Oct 2025 Pending

6 Highbank Pontprennau Cardiff CF23 8PN

Erection of a first-floor side extension above the existing garage and single-storey front extension to the garage.

Cardiff 30 Oct 2025
25/02451/VAR Archive 22 Oct 2025 Pending

Bridge Farm Bridge Road Old St Mellons Cardiff CF3 6YJ

The division and conversion of an existing agricultural building into 2no. Dwellinghouses. (Approved 23 October 2020 - 20/00509/MNR):- Variation of Co...

Cardiff 22 Oct 2025
25/02435/VAR Archive 21 Oct 2025 Pending

Bridge Farm Bridge Road Old St Mellons Cardiff CF3 6YJ

DIVISION AND CONVERSION OF EXISTING AGRICULTURAL BUILDING INTO 2NO. DWELLING HOUSES WITH PROPOSED DEMOLITION OF POOR QUALITY 20TH CENTURY ADDITIONS AT...

Cardiff 21 Oct 2025
25/02443/VAR Archive 21 Oct 2025 Pending

Bridge Farm Bridge Road Old St Mellons Cardiff CF3 6YJ

THE SUB-DIVISION OF AN EXISTING LISTED FARMHOUSE AND CONVERSION INTO 2NO. DWELLINGHOUSES. (Approved 23 October 2020- 20/00510/MNR):- Variation of Cond...

Cardiff 21 Oct 2025
25/02434/VAR Archive 21 Oct 2025 Pending

Bridge Farm Bridge Road Old St Mellons Cardiff CF3 6YJ

THE SUB-DIVISION OF AN EXISTING LISTED FARMHOUSE AND CONVERSION INTO 2NO. DWELLINGHOUSES (Approved 23 October 2020- 20/00511/MNR):- Variation of Condi...

Cardiff 21 Oct 2025
25/02410/HSE Archive 17 Oct 2025 Pending

9 Melville Avenue Old St Mellons Cardiff CF3 5TZ

Alterations to Elevations, including Gable Forms and Flat Roof Extensions to property at first floor level, a first-floor rear roof terrace, and vario...

Cardiff 17 Oct 2025
25/02401/FUL Archive 17 Oct 2025 Pending

Part Of Land At Pistyll Began Road Old St Mellons Cardiff CF3 6XJ

Construction of 2no. 5 bedroom dormer bungalows.

Cardiff 17 Oct 2025
25/02347/ADV Archive 13 Oct 2025 Pending

Proposed Digital Advertising Screen On Roundabout Church Road Roundabout Heol Pontprennau Pontprennau Cardiff

Digital Advertising Screen 48 Sheet Landscape.

Cardiff 13 Oct 2025
25/02356/SCR Archive 13 Oct 2025 Pending

Bryngolau Farm Pontprennau Cardiff

Screening Opinion A residential development of up to 400 dwellings, including roads, drainage, open space, landscaping and ecological mitigation works...

Cardiff 13 Oct 2025
25/02288/HSE Archive 6 Oct 2025 Pending

30 Ruskin Close Llanrumney Cardiff CF3 5LA

Construct a new driveway within the front garden of the property.

Cardiff 6 Oct 2025
25/02068/ADV Archive 8 Sept 2025 Pending

Ibis Cardiff Gate Malthouse Avenue Pontprennau Cardiff CF23 8RA

Installation of five illuminated fascia signs, one set of illuminated individual letters and logo and one single sided panel fitted to fence.

Cardiff 8 Sept 2025
25/02025/HSE Archive 2 Sept 2025 Pending

19 Clos Cwm Creunant Pontprennau Cardiff CF23 8LA

Proposed single storey rear extension and external alterations

Cardiff 2 Sept 2025
25/01970/FUL Archive 25 Aug 2025 Pending

St Julians Cottage Bridge Road Old St Mellons Cardiff CF3 6YJ

Demolition of existing cottage and outbuildings and the construction of 4no. dwellinghouses.

Cardiff 25 Aug 2025
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Data updated daily. Source: City of Cardiff Council planning portal.