The Glass Houses St. Fagans National Museum Of History Cardiff CF5 6EJ Data via plota.co.uk

25/02926/DOC - Discharge of Condition(s) Approved

Proposal

Discharge of Conditions 5 (Flower House Design) and 6 (Flower House Glazing) of . Data via plota.co.uk

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View original council record ↗Last checked 7 Oct 2026, 06:33

Street View

Application progress

✓

Received

12 Dec 2025

✓

Consultation

18 Dec 2025

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Approved

19 Feb 2026

Approved on 19 Feb 2026 · Delegated to Group Leader · Last checked 2 Oct 2026

Documents 6

Decision & officer reports 1

PDF DISCHARGE OF CONDITION FDC Decision · 19 Feb 2026 View ↗

Application forms 1

PDF APPLICATIONFORMREDACTED Application Form · 12 Dec 2025 View ↗

Associated applications 8

Part of

Listed buildingApproved14 May 2025council archive

Conditions 3, 4, 5, 6, 7, 9, 11 discharged · 12 awaiting decision · 8 decided (outcome not recorded)
- ConditionsDischarge of Conditions 5 (Flower House Design) and 6 (Flower House Glazing).This application12 Dec 202525/02926/DOC
- Show 6 more · 4 approved, 1 pending, 1 decided
  - ConditionsDischarge of Condition 12 (Water-Harvesting and Storage System).15 Sep 202626/01951/DOC
  - ConditionsDischarge of condition 9 (repair of cast iron heating pipes)21 Aug 202626/01789/DOC
  - ConditionsDischarge of condition 11 (Heating systems).19 Jun 202626/01283/DOC
  - Show 3 earlier · 2 approved, 1 decided
    ConditionsDischarge of Conditions 8 (Metalwork Statement), 9 (Metalwork Details), and 10 (Rainwater…5 Jun 202626/01166/DOC
    ConditionsDischarge of Conditions 3 (Vinery Design) and 4 (Beaver Tail Glazing Detail).24 Apr 202626/00817/DOC
    ConditionsDischarge of Condition 7 (Masonry Specification and Method Statement)20 Apr 202626/00784/DOC

Site constraints 5

Grade II listed: Main Building, St Fagans: National History Museum

List entry 87638 · 12 m away · 3 more listed buildings within 150 m (3 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 3 with distances

90 mWest & South Boundary Walls of Gardens to St Fagans CastleGrade II
96 mCapel Pen-rhiwGrade II
149 mWall extending west from near the Dovecote in the Garden of St Fagans CastleGrade II

Historic England ↗

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.

Agricultural land, grade 3a

Best and most versatile land (grades 1, 2 and 3a). Source: the Predictive Agricultural Land Classification Map (Defra and Natural England, 2025; the Welsh Government's Predictive ALC Map 2 in Wales), a model rather than a site survey. A site survey can differ.

Where development of farmland is needed, policy prefers poorer land over the best and most versatile (grades 1, 2 and 3a). Three sources: Natural England's post-1988 field surveys, which are definitive where they exist; the Defra predictive map for England (2025) and the Welsh Government predictive map, modelled from the soil map with 3a and 3b split; and the 1970s provisional map, which planners and other services still show, coarser and with grade 3 undivided. Where the provisional and predicted grades disagree, treat the predicted grade as the current estimate and expect an application to carry its own survey.

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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