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Planning applications in CF3

We hold 184 planning applications for the CF3 postcode area, 59 of them submitted in the past year. 74% of decided applications here were approved. A decision typically takes 58 days. The area is covered by Newport, Cardiff, Caerphilly.

184
applications held
59
in the past year
74%
approved
58 days
median decision

Councils covering CF3

Newport (90)Cardiff (89)Caerphilly (5)

Recent applications in CF3

Pending
21 Sept 202626/0720 · Received: Mon 14 Sep 2026 · Validated: Mon 21 Sep 2026
32 St Mellons Road Marshfield Cardiff South Wales CF3 2TXNewport

SINGLE STOREY REAR EXTENSION

Pending
21 Sept 202626/0720 · Received: Mon 14 Sep 2026 · Validated: Mon 21 Sep 2026
32 St Mellons Road Marshfield Cardiff South Wales CF3 2TXNewport

SINGLE STOREY REAR EXTENSION

Pending
15 Sept 202626/01946/CLEUD · Received: Tue 15 Sep 2026 · Validated: Tue 15 Sep 2026
Pony Paddocks Wentloog Road Rumney Cardiff CF3 2EECardiff

The erection of a dwellinghouse

Pending
15 Sept 202626/01947/CLEUD · Received: Tue 15 Sep 2026 · Validated: Tue 15 Sep 2026
Pony Paddocks Wentloog Road Rumney Cardiff CF3 2EECardiff

The erection of a dwellinghouse

Pending
15 Sept 202626/01947/CLEUD · Received: Tue 15 Sep 2026 · Validated: Tue 15 Sep 2026
Pony Paddocks Wentloog Road Rumney Cardiff CF3 2EECardiff

The erection of a dwellinghouse

Pending
15 Sept 202626/01946/CLEUD · Received: Tue 15 Sep 2026 · Validated: Tue 15 Sep 2026
Pony Paddocks Wentloog Road Rumney Cardiff CF3 2EECardiff

The erection of a dwellinghouse

Pending
11 Sept 202626/01925/WTTPFP · Received: Fri 11 Sep 2026 · Validated: Fri 11 Sep 2026
22 Harrison Drive Trowbridge Cardiff CF3 0NUCardiff

T1 Oak tree in rear garden, crown reduce by approximately 1.5 metres back to suitable live growth points. Remove major deadwood, split or broken branches from crown.

Pending
11 Sept 202626/01925/WTTPFP · Received: Fri 11 Sep 2026 · Validated: Fri 11 Sep 2026
22 Harrison Drive Trowbridge Cardiff CF3 0NUCardiff

T1 Oak tree in rear garden, crown reduce by approximately 1.5 metres back to suitable live growth points. Remove major deadwood, split or broken branches from crown.

Pending
Small
Householder Planning Permission
3 Aug 202626/01644/HSE
11 Minsmere Close Trowbridge Cardiff CF3 0SFCardiff

Single storey side and rear extension

Pending
Small
Householder Planning Permission
28 Jul 202626/01579/HSE
74 Elgar Crescent Llanrumney Cardiff CF3 5RUCardiff

Hip to gable and rear dormer roof extension.

Pending
Small
Full
22 Jul 202626/0562
Cefn Mably Farm Park Rudry Road Cardiff CF3 6LPNewport

ERECTION OF LEAN-TO BARN

Pending
Small
Householder Planning Permission
21 Jul 202626/01507/HSE
2 The Orchards Ty-fry Road Rumney Cardiff CF3 3JLCardiff

Conversion of garage into utility room and home office, with external alterations to the property.

Pending
Small
Householder Planning Permission
22 Jun 202626/01308/HSE
2 Chard Avenue Llanrumney Cardiff CF3 4ENCardiff

Front porch extension.

Pending
Small
Householder Planning Permission
3 Jun 202626/01144/HSE
53 Braunton Avenue Llanrumney Cardiff CF3 5HWCardiff

Ground floor rear and side extension with raised ground levels.

Pending
Small
Householder Planning Permission
29 May 202626/01128/HSE
7 Chester Close Trowbridge Cardiff CF3 0EPCardiff

Single storey rear extension.

Permitted
Small
Works to Trees Fell/Prune Trees in TPO
19 May 202626/01053/WTTPFP
27 Hastings Crescent Old St Mellons Cardiff CF3 5DFCardiff

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 inspection

Pending
Small
Retain Development Already Carried Out
15 May 202626/0338/RET
Parc Maes Ty Gawla Isaf To Rhymney River Cefn Mably Cardiff CF3 6LPCaerphilly

Retain hard surface area for the purposes of storage of agricultural equipment, hay, straw and other ancillary crops, and storage in relation to Cefn Mably Farm Park

Permitted
Small
Works to Trees Fell/Prune Trees in TPO
8 May 202626/00928/WTTPFP
39 Coleford Drive Trowbridge Cardiff CF3 0BPCardiff

T1 Oak, section fell as close as possible to ground level.

Pending
Small
Householder Planning Permission
27 Apr 202626/00825/HSE
1 Langport Avenue Llanrumney Cardiff CF3 5TLCardiff

Removal of existing out building and garage and construction of a new annex.

Pending
Small
Cert of Lawfulness Proposed (s192)
24 Apr 202626/00819/CLPUD
28 The Grove Rumney Cardiff CF3 3HGCardiff

Provide pet sitting services ancillary to the residential use.

Pending
Small
Non Material Amendment
13 Apr 202626/00734/NMA
Former Eastern High School Newport Road Rumney Cardiff CF3 3XGCardiff

Proposed Non-Material Amendment of Planning Permission 18/02519/MJR (as previously amended by 19/02962/MJR, 19/03095/MJR, 20/01351/MJR, 20/01807/MJR, 21/00126/MJR, 21/02100/MJR, 21/02722/MJR and 22/00166/MJR)- Substitute plans to allow for minor alterations to the private front garden space of plot 112 and provide an additional hedgerow boundary.

Permitted
Small
Cert of Lawfulness Proposed (s192)
31 Mar 202626/00662/CLPUD
48 Hendre Road Trowbridge Cardiff CF3 1QWCardiff

Ground floor rear extention.

Pending
Small
Non Material Amendment
26 Mar 202626/00627/NMA
59 Nevin Crescent Rumney Cardiff CF3 3NWCardiff

Non-Material Amendment to Planning Permission 25/01619/HSE- Replacing daikin heatpump with a quieter valiant heatpump.

Pending
Small
Variation of conditions
25 Mar 202626/00619/VAR
800 Newport Road Rumney Cardiff CF3 4FHCardiff

New shopfront, two storey side extension, part single, part two storey rear extension and hip to gable roof extensions and side dormer. Change of use of part of ground floor to A1 use and conversion to form 6 no flats. (Approved 1 May 2025- 24/02689/FUL):- Variation of Condition 2 (Approved Plans) of 24/02689/FUL to amend the approved scheme as follows: 1) Rear annex wall re-positioned at 1st and 2nd floor levels to reflect what has been constructed.

Pending
Small
Variation of conditions
25 Mar 202626/00621/VAR
802 Newport Road Rumney Cardiff CF3 4FHCardiff

CONVERSION OF REAR GROUND FLOOR AND UPPER FLOORS INTO FOUR SELF CONTAINED FLATS WITH FIRST FLOOR SIDE AND REAR EXTENSIONS INCLUDING LOFT CONVERSION WITH REAR DORMER AND EXTERNAL ALTERATIONS (Approved 19 December 2022- 22/02110/FUL):- Variation of Condition 2 (Approved Plans) of 22/02110/FUL to amend the approved scheme as follows: 1) Reposition Rear Annex Ground Floor Wall; and 2) Amend first and second floor layouts.

Permitted
Small
Works to Trees Fell Trees in TPO
20 Mar 202626/00581/WTTPF
Marleigh Lodge Druidstone Road Old St Mellons Cardiff CF3 6XDCardiff

Marleigh Lodge Cypress Avenue: - T1 Group tree 18m high, suppressed canopy towards neighbouring trees, full canopy towards light, stem breaks into 5 / 4 leaders at 1.5m 1 leader removed to W and remaining leader reduced. T2 Group tree 18m high, clear stems to 15m, stem breaks into 2 / 3 leaders at 1m. Remove both trees to ground level

Permitted
Small
Works to Trees Prune Trees in TPO
20 Mar 202626/00582/WTTPP
17 Hastings Crescent Old St Mellons Cardiff CF3 5DFCardiff

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

Pending
Small
Householder Planning Permission
17 Mar 202626/00530/HSE
Brook House Began Road Old St Mellons Cardiff CF3 6XJCardiff

Construction of a pavilion for an existing swimming pool.

Pending
Small
Householder Planning Permission
10 Mar 202626/00479/HSE
5 Ilfracombe Crescent Llanrumney Cardiff CF3 4TACardiff

First floor side extension.

Pending
Small
Cert of Lawfulness Proposed (s192)
9 Mar 202626/00461/CLPUD
54 Ty-to-maen Close Old St Mellons Cardiff CF3 5EZCardiff

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

Permitted
Small
Variation of conditions
9 Mar 202626/00467/VAR
WG Davies Landore Ltd Newlands Road Wentloog Cardiff CF3 2EUCardiff

Side extension to existing commercial vehicle servicing building (Approved 27 August 2021 - 21/01594/MNR):- Variation of Condition 1 (Implementation Period) of 21/01594/MNR to amend the approved scheme as follows: Increase the implementation period by a further five years.

Pending
Small
Condition Discharge
5 Mar 202626/0157/COND
Bridgehill Gwern-y-goytre To Michaelston Bridge Michaelston-y-fedw Cardiff CF3 6XTCaerphilly

Discharge of condition 03 (Ecological Enhancement Measures and a Detailed Implementation Timetable as agreed on Appeal Ref: CAS-02272-V9J4B7) of planning permission 22/0509/FULL (Erect side and rear extension over existing garage)

Pending
Small
Discharge of Condition(s)
26 Feb 202626/00406/DOC
University Sport Pavilion And Field Mendip Road Llanrumney Cardiff CF3 4JNCardiff

Discharge of Conditions 9 (Scheme of Biodiversity Enhancement) and 10 (Soft Landscaping) of 25/00230/VAR.

Pending
Small
Householder Planning Permission
16 Feb 202626/00322/HSE
61 Barmouth Road Rumney Cardiff CF3 3LACardiff

New porch to protrude from building line 1.5m to form new access/boot room. In-fill the side return of the dwelling to align with porch to provide utility room and side access.

Permitted
Small
Non Material Amendment
13 Feb 202626/00318/NMA
Melrose Hall Cypress Drive St Melllons Cardiff CF3 0YZCardiff

Proposed Non-Material Amendment to Planning Permission 23/01937/FUL - 1) Introduction of a new stairwell and minor associated alterations.

Pending
Small
Discharge of Condition(s)
12 Feb 202626/00304/DOC
St Mellons Church In Wales Primary School Dunster Road Llanrumney Cardiff CF3 5TPCardiff

Discharge of condition 14 (Net Benefits for Biodiversity) of permission 23/00386/FUL

Pending
Small
Discharge of Condition(s)
10 Feb 202626/00279/DOC
St Julians House Bridge Road Old St Mellons Cardiff CF3 6YJCardiff

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

Permitted
Small
Cert of Lawfulness Proposed (s192)
9 Feb 202626/00270/CLPUD
20 Ty-mawr Avenue Rumney Cardiff CF3 3AFCardiff

Side extension

Pending
Small
Householder Planning Permission
9 Feb 202626/00253/HSE
19 Abernethy Close Trowbridge Cardiff CF3 0SBCardiff

Two storey side and single storey rear and front extensions with external alterations.

Permitted
Small
Works to Trees Prune Trees in TPO
6 Feb 202626/00263/WTTPP
20 Caspian Close Trowbridge Cardiff CF3 0BQCardiff

OAK IN OPEN SPACE BETWEEN CASPIAN AND PAVALAND CLOSE - CROWN RAISE TREE OVER FOOTPATH TO PROVIDE 2.1m OF CLEARANCE. REMOVE MAJOR DEADWOOD OVER 50 mm DIAMETER. SHORTEN ANY OVEREXTENDED LIMBS DETRACTING FROM THE CROWNS SHAPE, SPECIFICALLY THOSE GROWING INTO NEIGHBOURING HEDGEROW

Conditions
Small
Discharge of Condition(s)
4 Feb 202626/00217/DOC
9 Melville Avenue Old St Mellons Cardiff CF3 5TZCardiff

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

Permitted
Small
Householder Planning Permission
2 Feb 202626/00200/HSE
5 Fennel Close Trowbridge Cardiff CF3 0NDCardiff

Garage conversion and rear extension with single storey side extension to the main property.

Pending
Small
Householder Planning Permission
30 Jan 202626/00190/HSE
5 Trelawney Avenue Rumney Cardiff CF3 3JQCardiff

Single storey rear extension, outbuilding demolition, single storey front extension, and associated works.

Pending
Small
Variation of conditions
27 Jan 202626/00166/VAR
100 Wentloog Road Rumney Cardiff CF3 3EACardiff

Proposed Change of Use of existing ground floor retail shop (Class A1) to a traditional fish and chips shop (take away-Class A3) and new shop front + fume extraction system. (Approved 23.03.2012 (Under Appeal APP/Z6815/A/11/2167369) - 11/01486/DCO):- Variation of Condition 4 (Opening Hours) of 11/01486/DCO to amend the approved scheme as follows: 1) Alter the operating hours to 11.30am - 22.30pm, Monday to Saturday and 17.00pm - 22.00pm Sunday.

Conditions
Small
Discharge of Condition(s)
23 Jan 202626/00135/DOC
782 - 786 Newport Road Rumney Cardiff CF3 4FGCardiff

Discharge of Condition 15 (Construction Environmental Management Plan) of 19/01533/MJR

Permitted
Small
Householder Planning Permission
19 Jan 202626/00125/HSE
8 Exford Crescent Llanrumney Cardiff CF3 4JQCardiff

Side and rear extension and dormer loft conversion.

Permitted
Small
Cert of Lawfulness Proposed (s192)
7 Jan 202626/00026/CLPUD
13 New Road Rumney Cardiff CF3 3AACardiff

Hip to gable roof extension, rear dormer roof extension and addition of rooflights to front roof elevation

Refused
Small
Outline Planning Permission
6 Jan 202626/00017/OUT
Land Adjacent To Cefn Eurwg Druidstone Road Old St Mellons Cardiff CF3 6XDCardiff

Construction of a single storey detached bungalow.

Pending
Small
Householder Planning Permission
31 Dec 202525/03002/HSE
73 Brynbala Way Trowbridge Cardiff CF3 1SZCardiff

Demolition of single storey extension and construction of new single and two storey extensions.

Permitted
Small
Householder Planning Permission
10 Dec 202525/02904/HSE
35 Ridgeway Road Llanrumney Cardiff CF3 4ABCardiff

New side outbuilding, existing to be demolished.