Wales · Postcode district SA19
Planning Constraints in SA19Llandeilo
Llandeilo sits in the SA19 postcode district, which also covers Llangadog, Llanwrda, Wales, home to around 9,662 people. Before you buy, extend, or apply for planning permission here, check what applies to the exact address — conservation status, flood risk, heritage protection and more — using official government data.
What we check in Llandeilo
The free checker tests 34open datasets against your exact pin, not just the postcode district as a whole. Here’s what’s covered.
New conservation areas and listed buildings get designated between visits — see what changed nationally, checked daily.
Heritage (Cadw)
Source: Cadw, via the Welsh Government DataMapWales platform
- ·Conservation areas
- ·Listed buildings
- ·Scheduled monuments and their constraint areas
- ·Registered historic landscapes, parks and gardens
Flood risk (TAN15)
Source: Natural Resources Wales, via DataMapWales
- ·Flood Map for Planning — rivers and sea
- ·Surface water and small watercourses
- ·TAN15 defended zones
Ecology & landscape (NRW)
Source: Natural Resources Wales, via DataMapWales
- ·Sites of Special Scientific Interest (SSSIs)
- ·Ancient woodland
- ·National Parks, AONBs and Heritage Coast
Water quality
Source: Natural Resources Wales, via DataMapWales
- ·Phosphate-sensitive SAC catchments
- ·Groundwater source protection zones
- ·Statutory main rivers
And more
Source: Natural Resources Wales and the Mining Remediation Authority, via DataMapWales; noise from Welsh Government mapping
- ·Special Areas of Conservation, SPAs and Ramsar sites
- ·Coal mining risk areas
- ·Air Quality Management Areas
- ·Road, rail and industrial noise
District name, region and population on this page come from Doogal's postcode district index (ONS/OS derived) and the ONS Postcode Directory, built 6 Aug 2026. The constraint datasets themselves are queried live at the moment you run a check — nothing on this page has been screened for your address, and no check has been run to produce it. Every source, its publisher and its licence.
Frequently asked
Is Llandeilo in a conservation area?+
Conservation area boundaries are drawn street by street, so whether a specific address in Llandeilo (postcode district SA19) falls inside one depends on the exact pin. The free checker plots the boundary on a map so you can see immediately whether your address is inside, and how close the nearest one is if not.
How do I check flood risk for a property in SA19?+
Enter or click the address in the free checker to see Natural Resources Wales Flood Map for Planning mapping — the map TAN15 has worked from since March 2025 — for that exact point in Llandeilo. It shows whether the property sits in Flood Zone 2 or 3, whether the area is defended, and the publication date of the map edition used.
Are there listed buildings near Llandeilo?+
Wales has listed buildings ranging from Grade II to Grade I, and they can sit right next to unlisted properties. Search the address in the checker to see every listed building nearby, its grade, and its distance from your pin — sourced from Cadw, which designates and maintains the list in Wales.
What does the Site Report Pass add for SA19?+
The free checker covers every designation above at no cost. The £9.99 Site Report Pass turns a single search into a downloadable PDF with plain-English notes on what each result means, recommended next checks, and the underlying data as CSV — handy for a mortgage application, planning pre-app, or due diligence file.
Ready to check a site in Llandeilo?
Search the exact address on the map, or click any point, for a full planning constraints result in seconds.