Walled Garden at Heol-ddu is a Grade II listed building in the Carmarthenshire local planning authority area, Wales. First listed on 5 February 1999. Walled garden.

Walled Garden at Heol-ddu

WRENN ID
dusted-lancet-umber
Grade
II
Local Planning Authority
Carmarthenshire
Constituency
Llanelli MP: Dame Nia Griffith (Lab)
Country
Wales
Date first listed
5 February 1999
Type
Walled garden
Address
Walled Garden at Heol-ddu, Llanelli, Gorslas
OS grid reference
SN 540 151
Coordinates
51.81598, -4.1193
Source
Cadw listing

Also on this page: flood risk · radon risk · weather exposure · detailed attributes ↓

Description

The Walled Garden at Heol-ddu is nearly square in shape and features a rubble masonry wall surrounding it on all sides. Some sections of the wall remain intact, reaching a height of approximately 3 meters.

Local climate

Walled Garden at Heol-ddu sits in one of the wettest parts of the UK, with an average of 1,390 mm of rain a year. This makes it wetter than 97% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 97% of listed buildings.

It experiences an average of 28 freeze-thaw cycles a year, fewer than 70% of listed buildings. Of these, 11 follow at least 1 mm of rain in the preceding 48 hours. Average temperatures at this location have risen by 0.3°C per decade since 1991.

Averages for 1991–2020; temperature trend 1991–2025. Figures describe the wider area (a grid cell of roughly 10 km), not the individual site. Contains modified Copernicus Climate Change Service information 2026.

More on this building

Sign in or create a free account to unlock:

  • No EPC on record for this property
  • No sale records on file
  • No related consent applications matched
  • Detailed attributes — period, style, materials, features
  • Flood risk assessment
  • Radon risk assessment
  • Weather exposure and heating demand — rain and frost month by month and year by year, wind direction, solar and humidity
Create free account

Matched applications, energy data and sale records are assembled automatically and may contain errors. Flag incorrect data.

Similar buildings

The closest matches to this building from all 493,000 UK listed buildings, by architecture, period and materials.

See all similar buildings →

this building   1 similar   nearby listed buildings

Nearby listed buildings

  1. Stables at Heol-ddu Grade II 22 m
  2. Heol-ddu farmhouse Grade II 44 m
  3. Former Dwelling to Rear of Heol-ddu Grade II 44 m
  4. Agricultural Range known as 'the Barn' at Heol-ddu Grade II 52 m
  5. Limekiln at the south-east of Castle Quarry Grade II 554 m
  6. Limekiln at the south-west of Castle Quarry Grade II 701 m
  7. Roadside Limekiln at Castle Quarry Grade II 731 m
  8. Bont Newydd Grade II 1.3 km
  9. Maesdulais Lime Kilns Grade II 2.2 km
  10. Clearbrook Lodge and Meadow Cottage (at Clearbrook) Grade II 2.5 km