Postcode district
Planning applications in CF23
PlanIndex holds 526 planning applications with CF23 postcodes, the earliest from 2001, the newest from August 2026. 95% of clear-cut decisions were approvals.
Applications in CF23
Newest first · page 1 of 11
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26/01833/HSE Awaiting decision
66 Windermere Avenue Cyncoed Cardiff CF23 5PS
Proposed single-storey rear extension. Conversion of the roof space. Associated internal alterations and a new patio to the rear garden.
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26/01866/WTTPF Awaiting decision
7 & 8 Ferny Court Penylan Cardiff CF23 9BU
Felling and removal of trees affecting retaining wall.
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26/01792/HSE Awaiting decision
33 Tydfil Place Roath Cardiff CF23 5HP
Proposed rear flat roof garage
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26/01759/CLPUD Awaiting decision
5 Llandennis Green Cyncoed Cardiff CF23 6JX
Proposed rear single storey extension
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26/01769/NMA Awaiting decision
57 Celyn Avenue Cyncoed Cardiff CF23 6EJ
Proposed Non-Material Amendment to Planning Permission 25/02767/HSE - To reduce rear extension size and install new doors/windows and alter proposed window sizes
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26/01742/ADV Awaiting decision
5 The Design Quarter Ipswich Road Penylan Cardiff CF23 9XE
Fascia lettering and logo signs, and totem sign
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26/01705/CLPUD Granted
390 Cyncoed Road Cyncoed Cardiff CF23 6SA
Use of 390 Cyncoed Road as residential accommodation for up to six adults with mental health conditions, living together as a single household, with care and support provided by non-resident staff
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26/01702/HSE Awaiting decision
45 Gwern Rhuddi Road Cyncoed Cardiff CF23 6PS
Two storey and single storey rear extensions (development similar to that as approved under 25/00533/HSE with additional first floor part).
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26/01717/HSE Awaiting decision
12 Birchwood Road Penylan Cardiff CF23 5LJ
Dormer loft conversion.
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26/01686/HSE Awaiting decision
101 Cyncoed Road Cyncoed Cardiff CF23 6AE
Ground and first floor side extension and construction of patio and timber frame gazebo in rear garden.
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26/01688/CLPUD Granted
36 Windermere Avenue Cyncoed Cardiff CF23 5PR
Hip-to-gable roof extension, rear dormer roof extension and addition of front rooflights
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26/01665/NMA Granted
219 Woolaston Avenue Cyncoed Cardiff CF23 6EX
Proposed Non-Material Amendment to Planning Permission 26/00748/HSE - to infill side wall and reposition rooflights
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26/01604/HSE Awaiting decision
39 Cefn Coed Road Cyncoed Cardiff CF23 6AP
Proposed internal ground floor refurbishment of domestic dwelling with ancillary single storey flat roof extensions to north, south and east elevations
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26/01616/WTTPFP Awaiting decision
3 Woodvale Avenue Cyncoed Cardiff CF23 6SP
To fell T1 on the included survey table and leave the stump at 3m to retain some habitat value. Due to a basal cavity that extends from the south of the lower stem to the north, alongside an extensive colonisation of Pseudoinonotus dryadeus (Please see Photo T1 P1 in the included file). To potentially undertake a linear canopy reduction of the abutting T2 by 2/3m using natural target pruning compliant with BS3998 if left exposed post-removal.
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26/01577/DOC Awaiting decision
Former Police Station Maelfa Pentwyn Cardiff CF23 9PL
Re-discharge of Conditions 3 (Materials) and 5 (Retaining Walls) of 19/03219/MJR (previously approved under 22/00514/MJR and 22/00812/MJR).
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26/01560/HSE Awaiting decision
34 Dorchester Avenue Penylan Cardiff CF23 9BR
Raise ridge loft conversion with rear dormer and roof window to front elevation
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26/01544/PRAP Awaiting decision
On The Verge Off Llanedeyrn Road Penylan Cardiff CF23 9DU
20m high monopole accommodating 6No antennas, 1No transmission dish and ancillary development. Also involves the installation of 2No cabinets and 1No meter cabinet and ancillary equipment thereto.
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26/01530/HSE Awaiting decision
182 Lake Road East Cyncoed Cardiff CF23 5NR
Proposed demolition of existing garage and erection of a two storey rear / side extension, internal alterations and erection of detached garage with annex over.
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26/01516/FUL Awaiting decision
St Davids Roman Catholic Sixth Form College Ty-gwyn Road Penylan Cardiff CF23 5QD
Erection of two modular units and associated works.
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26/01496/HSE Awaiting decision
20 Dorchester Avenue Penylan Cardiff CF23 9BR
Retrospective permission for proposed loft dormer and side gable extension.
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26/01497/HSE Awaiting decision
1 Clos Nant Y Cor Pontprennau Cardiff CF23 8LD
Conversion of Garage and ground floor link extension to provide one bedroom Annex
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26/01481/FUL Awaiting decision
St Davids Roman Catholic Sixth Form College Ty-gwyn Road Penylan Cardiff CF23 5QD
Demolition of Caretakers Lodge and redevelopment of site for Wellbeing and Pastoral centre with drainage, landscaping and associated works.
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26/01476/CLPUD Granted
71 Llandennis Avenue Cyncoed Cardiff CF23 6JF
Single storey extension to side and rear.
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26/01461/HSE Awaiting decision
53 Waterloo Gardens Penylan Cardiff CF23 5AB
Proposed Single Storey Rear Extension with access steps to rear garden & Loft Conversion with Rear Dormer and Rooflights
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26/01457/HSE Granted
21 Rhyd Y Penau Road Cyncoed Cardiff CF23 6PX
Ground floor rear extension and alteration to loft, rear and side dormers and alterations to garage to form guest room.
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26/01451/NMA Granted
Land Adjacent To 1 Lake View Close Cyncoed Cardiff CF23 6DU
Proposed Non-Material Amendment to Planning Permission 23/01383/FUL - Addition of a door in the side elevation
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26/01446/HSE Granted
17 Clonakilty Way Pontprennau Cardiff CF23 8PR
Two storey extension with single storey element to rear
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26/01425/HSE Granted
34 Amesbury Road Penylan Cardiff CF23 5DW
Removal of chimney, remove brickwork to below roof level.
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26/01414/FUL Awaiting decision
21 Ty-draw Road Penylan Cardiff CF23 5HB
Proposed construction of annexe
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26/01392/HSE Granted
107 Brandreth Road Penylan Cardiff CF23 5LE
Single storey rear extension.
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26/01377/CLPUD Awaiting decision
The Hollies Special School Brynheulog Pentwyn Cardiff CF23 7XG
Installation of 2nr Portakabin Titan Buildings to be used as staff room facilities
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26/01345/HSE Withdrawn
42 Pennant Crescent Cyncoed Cardiff CF23 6LN
Erection of a double storey rear extension with a conversion to existing garage and porch addition.
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26/01316/FUL Granted
Aldi Dartington Drive Pontprennau Cardiff CF23 8SQ
Installation of replacement external fixed plant equipment, erection of associated enclosures, and related works at the existing operational Aldi store.
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26/01302/CLPUD Withdrawn
20 Dorchester Avenue Penylan Cardiff CF23 9BR
Rear loft dormer and creation a gable end.
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26/01309/HSE Awaiting decision
31 Southcourt Road Penylan Cardiff CF23 9DB
Single storey rear extension.
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26/01276/FUL Withdrawn
The Hollies Special School Brynheulog Pentwyn Cardiff CF23 7XG
Installation of 2nr Portakabin Titan Buildings to be used as staff room facilities for the duration of 3 years.
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26/01281/FUL Granted
287 Cyncoed Road Cyncoed Cardiff CF23 6PA
Installation of a pergola with retractable roof to rear, use of rear external seating area.
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26/01282/ADV Granted
287 Cyncoed Road Cyncoed Cardiff CF23 6PA
Two signs on front northeast elevation, hand painted mural on southeastern elevation.
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26/01257/FUL Awaiting decision
Ground Floor Front 16 Rhyd Y Penau Road Cyncoed Cardiff CF23 6PT
Change of use of existing ground floor coffee shop to 2 bed residential apartment
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26/01234/CLPUD Granted
69 Rhyd Y Penau Road Cyncoed Cardiff CF23 6PY
Conversion of two residential flats (Class C3) into a single dwellinghouse (Class C3). Associated external works to be completed after the conversion.
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26/01231/FUL Granted
16 & 18 Boverton Street Roath Cardiff CF23 5ES
Proposed side extensions to both properties, loft conversion to no 18 and a reduction in size of the existing outbuilding to no 18.
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26/01229/NMA Granted
57 Celyn Avenue Cyncoed Cardiff CF23 6EJ
Proposed Non-Material Amendment to Planning Permission 25/02767/HSE- minor alterations including a rooflight to the front roof slope and addition of a small window to the front elevation
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26/01245/FUL Awaiting decision
Red Balloon Nursery Circle Way East Llanedeyrn Cardiff CF23 9PZ
Change of use from nursery to House in Multiple Occupation (HMO).
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26/01192/HSE Granted
15 Celyn Grove Cyncoed Cardiff CF23 6SH
Single storey side extension.
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26/01184/NMA Granted
49 Rannoch Drive Cyncoed Cardiff CF23 6LP
Non-Material Amendment to Planning Permission 25/01963/HSE- Raise the main apex roof front to back and remove front dormer roof.
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26/01147/WTTPFP Granted
266B Cyncoed Road Cyncoed Cardiff CF23 6RW
Oak, rear garden - Remove suckers on main stem to first branch break. Very minor crown raise of no more than 1m on the foliage that droops lowest to even up lower crown and maintain edge, foliage tip reduction only. Remove any unstable deadwood over 25mm in diameter.
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26/01134/HSE Granted
20 Queensberry Road Penylan Cardiff CF23 9JJ
Two storey side extension.
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26/01131/HSE Refused
67 Windermere Avenue Cyncoed Cardiff CF23 5PS
Rear dormer and hip to gable roof.
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26/01132/DOC Decided
31 Llangorse Road Cyncoed Cardiff CF23 6PG
Discharge of Condition 3 (Arboricultural Method Statement and Tree Protection Plan) of 26/00150/FUL.
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26/01107/HSE Granted
92 Colchester Avenue Penylan Cardiff CF23 9AZ
Ground floor rear extension with pergola.