St Fagans Castle Crofft-y-genau Road St Fagans Cardiff Data via plota.co.uk

26/01804/LBC - Listed Building Consent Registered

Proposal

Repair and partial rebuilding of a chimney and repair to window to one of the Castle`s rear outbuildings Data via plota.co.uk

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View original council record ↗Last checked 27 Oct 2026, 02:58

Street View

Application progress

✓

Received

24 Aug 2026

✓

Consultation

26 Aug 2026

Decision

Target date was 19 Oct 2026

Under consideration

No decision has been issued yet. Plota predicted a decision around 28 Oct 2026; it is now day 65.

The consultation period closed on 25 Sept 2026.

Documents 2

Statements & assessments 1

PDF HERITAGE IMPACT ASSESSMENT Supporting Documents · 24 Aug 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 24 Aug 2026 View ↗

All documents on the council site ↗

Site constraints 4

Grade I listed: St Fagans Castle

List entry 13888 · 2 m away · 41 more listed buildings within 150 m (2 Grade II*, 39 Grade II)

Listed building consent is needed for work that affects the special interest of a listed building, inside or out, on top of planning permission. Setting can be a consideration for buildings nearby; there is no fixed radius.

Show the other 41 with distances

25 mLead Cistern in the east forecourt of St Fagans CastleGrade II*
26 mCurtain Walls of St Fagans Castle with attached Bothies in the Service YardGrade II
30 mSouth Wall of Forecourt at St Fagans CastleGrade II
35 mFountain to north of St Fagans Castle in the Dutch GardenGrade II
54 m4 Castle HillGrade II
54 m2 Castle HillGrade II
55 m3 Castle HillGrade II
56 mSouth Wall of the Entrance Garden separating it from the Stable Court at St Fagans CastleGrade II
57 m1 Castle HillGrade II
60 mStable Court at St Fagans CastleGrade II
64 mNorth Wall of the Entrance Garden at St Fagans CastleGrade II
65 mLaundry CottageGrade II
65 mFront Garden Walls of Nos 1-4 (consec)Grade II
68 mWest wall of the Dutch Garden at St Fagans Castle with the battlement wall and watchtowersGrade II
68 mGates, Piers, Steps and Balustrade Wall bounding north side of Dutch Garden at St. Fagans CastleGrade II
71 mFront Garden WallGrade II
73 mItalian Terraces on north-east side of Fishponds in Garden of St Fagans CastleGrade II
79 mSilver StreamGrade II
80 mSouth Boundary Wall of the Stable Court including the Drinking Fountain on Castle HillGrade II
88 mEntrance Gates and Wall forming east boundary of the Entrance Garden at St Fagans CastleGrade II
94 mThe Vinery at St Fagans CastleGrade II
103 mHill CottageGrade II
106 mEastern & Western Walls of Rose Garden at St Fagans CastleGrade II
110 mNo.1 The TwynGrade II
111 mGarden Wall of No. 1 The TwynGrade II
112 mWall bounding north side & part of east side of the Mulberry Garden to north of St Fagans CastleGrade II
117 mTelephone Call-box adjoining Old Post OfficeGrade II
118 mNo. 2 The TwynGrade II
120 mLychgate at entrance to Churchyard of Church of St Mary the Blessed VirginGrade II
120 m4 Cardiff RoadGrade II
120 mThe MountGrade II
123 mThe Old Post Office RestaurantGrade II
123 mWall of the Churchyard of the Church of St Mary the Blessed Virgin with the attached War MemorialGrade II
125 mGarden Walls of Nos. 3 & 4Grade II
126 mIvy CottageGrade II
127 m3 Cardiff RoadGrade II
132 mOsmington CottageGrade II
144 mThe Plymouth Arms P HGrade II
146 mRiverside CottageGrade II
147 mGardens HouseGrade II
149 mChurch of St Mary the Blessed VirginGrade II*

Cadw ↗

Registered park or garden: St. Fagans Castle

Nationally designated heritage. Its significance and setting carry great weight.

Registered parks and gardens, battlefields, world heritage sites and protected wrecks are designated heritage assets: harm needs clear and convincing justification.

St. Fagans conservation area

Demolition needs planning permission and permitted development is restricted.

The council must give weight to preserving or enhancing the area's character and appearance. Not every council has published its boundaries as open data.

Radon affected area, class 5

An estimated 10 to 30% of homes reach the radon action level. Indicative for the 1 km square, which takes the highest class found in it; a radon test gives the answer for a building.

From the British Geological Survey and UK Health Security Agency indicative atlas. Under building regulations, as the BRE guide BR 211 (2023) sets out, new buildings and extensions need basic radon protection from class 3 in England and Wales and from class 2 in Scotland, and full protection from class 5. The class at the site itself, from the detailed BGS map, decides which.

UKHSA radon ↗

Not affected

Outside flood zones 2 and 3 · No scheduled monument at the site

Checked on 6 October 2026. Historic England, the Environment Agency, Natural England, the British Geological Survey and UK Health Security Agency (radon, contains BGS materials © UKRI) 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.

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Important details

Council: Cardiff
Application type: Listed Building Consent
Postcode: CF5 6EJ
Received: 24 Aug 2026
Validated: 24 Aug 2026
Ward: PENTYRCH AND ST FAGANS
Case officer: Show
Applicant: Show
Agent: DB3 Architects

Decision outlook

Day 65, past the statutory target. 86% of extensions in Cardiff are decided within thirteen weeks, which runs to 23 Nov 2026; extensions of time are common, and the council need not decide on the day. Last seen undecided on 22 Oct 2026.

predicted

Day 659 days past the 56-day target

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 →