Postcode district
Planning applications in CF23
PlanIndex holds 738 planning applications with CF23 postcodes, the earliest from 2000, the newest from October 2026. 92% of clear-cut decisions were approvals.
Applications in CF23
Newest first · page 1 of 15
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26/02102/HSE Awaiting decision
49 Kimberley Road Penylan Cardiff CF23 5DL
Proposed ground floor rear side return extension
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26/02100/HSE Awaiting decision
5 Celyn Grove Cyncoed Cardiff CF23 6SH
Proposed first floor extension to the rear, including minor internal modifications
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26/02089/HSE Awaiting decision
72 Amesbury Road Penylan Cardiff CF23 5DY
Proposed Loft & Rebuild of Existing Extension
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26/02058/NMA Awaiting decision
287 Cyncoed Road Cyncoed Cardiff CF23 6PA
Proposed Non-Material Amendment to Planning Permission 26/01281/FUL - to reposition the rear external AC units
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26/02033/CLEUD Awaiting decision
8 Celyn Avenue Cyncoed Cardiff CF23 6EN
Rear extensions and alterations to the property.
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26/02030/CLPUD Awaiting decision
19 Cefn Coed Avenue Cyncoed Cardiff CF23 6HE
Detached garden room.
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26/01999/CLPUD Awaiting decision
27 Pine Wood Crescent Penylan Cardiff CF23 9HF
Proposed single storey side extension, including demolition of existing garage
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26/01974/DOC Awaiting decision
10 Alltmawr Road Cyncoed Cardiff CF23 6NQ
Discharge of Condition 3 (External Materials) of 25/01591/FUL.
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26/01966/WTTPFP Granted
University Hall Birchwood Lane, Penylan Cardiff CF23 5LH
Carry out a crown raise and crown reduction to one mature Common T1 Walnut tree. Needs lifting to 3mtrs and a full crown reduction all over by 2mtrs
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26/01922/HSE Awaiting decision
45 Beatty Avenue Cyncoed Cardiff CF23 5QR
Proposed Ground Floor Rear and Side Extension plus Rear Dormer Loft Conversion
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26/01917/FUL Awaiting decision
8 The Retreat Penylan Cardiff CF23 5QZ
Proposed conversion of roof space, side & rear extensions & internal alterations to form a HMO
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26/01904/DOC Awaiting decision
St Teilos High School Circle Way East Llanedeyrn Cardiff CF23 9PD
Discharge of conditions 3 (Biodiversity) and 4 (CEMP) of 25/02048/FUL.
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26/01892/HSE Awaiting decision
86 Waterloo Road Penylan Cardiff CF23 9BH
Demolition of existing rear conservatory and part rear ground floor. Construction of single storey rear extension.
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26/01884/WTCA Granted
4 Cefn Coed Road Cyncoed Cardiff CF23 6AQ
G1 Conifer hedge L shape in rear garden, trim top and garden side to tidy. G2 Mixed species running along side boundary, Crown lift/prune back to clear roof/gutter by 1 metre vertical clearance (higher canopy above roof not included) T1 Holm Oak in front garden - crown lift to 1.5metres above ground level G3 Mixed shrubs in front garden - trim top & garden side to tidy
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26/01872/FUL Awaiting decision
5 The Design Quarter Ipswich Road Penylan Cardiff CF23 9XE
Installation of plant equipment
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26/01863/CLPUD Granted
6 Llandennis Green Cyncoed Cardiff CF23 6JX
Proposed conversion of existing integral garage to ancillary domestic accommodation, including minor internal alterations
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26/01855/CLPUD Granted
46 Duffryn Avenue Cyncoed Cardiff CF23 6JL
Proposed hip to gable, dormer loft conversion with addition of rooflights
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26/01833/HSE Awaiting decision
66 Windermere Avenue Cyncoed Cardiff CF23 5PS
Proposed single-storey side and rear extension. Hip-to-gable roof conversion and conversion of the roof space, including a rear dormer. Associated internal alterations and a new patio to the rear garden.
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26/01821/FUL Awaiting decision
Cardiff Metropolitan University Cyncoed Campus Cyncoed Road Cyncoed Cardiff CF23 6XD
Installation of PV panels to NIAC building, two Battery Energy Storage Systems (BESS) and associated national grid infrastructure
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26/01866/WTTPF Granted
7 & 8 Ferny Court Penylan Cardiff CF23 9BU
Dorchester Avenue frontage of 7 & 8 Ferny Court - Felling and removal of x5 lime 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 Granted
5 Llandennis Green Cyncoed Cardiff CF23 6JX
Proposed rear single storey extension
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26/01769/NMA Granted
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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26/01740/HSE Awaiting decision
8 Lakeside Drive Cyncoed Cardiff CF23 6DD
Demolition of garage. Double storey side extension, single storey side extension, rear first floor balcony. External chimney and chimney breast to be demolished.
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26/01742/ADV Granted
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 Granted
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 Granted
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 Granted
3 Woodvale Avenue Cyncoed Cardiff CF23 6SP
Rear Garden of 3 Woodvale Avenue: - 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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26/01566/FUL Awaiting decision
80 Ninian Road Roath Cardiff CF23 5EN
Conversion of ground-floor to create one additional dwelling (two-bedroom flat)
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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 Decided
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
Retrospective planning permission for two modular units and associated works (for a temporary period of two years)
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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 and installation of an air conditioning unit.
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26/01497/HSE Granted
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 Granted
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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