6 Glamorgan Street is a Grade II* listed building in the Brecon Beacons National Park local planning authority area, Wales. First listed on 16 January 1952. A Georgian House. 3 related planning applications.

6 Glamorgan Street

WRENN ID
western-bracket-thistle
Grade
II*
Local Planning Authority
Brecon Beacons National Park
Constituency
Brecon, Radnor and Cwm Tawe MP: David Chadwick (LD)
Country
Wales
Date first listed
16 January 1952
Type
House
Period
Georgian
Address
6 Glamorgan Street, Powys, LD3 7DW
OS grid reference
SO 045 284
Coordinates
51.94634, -3.39012
Source
Cadw listing

Also on this page: sale history · EPC · related consents · flood risk · radon risk · weather exposure · detailed attributes ↓

Description

Nos 5 and 6 Glamorgan Street comprise a former pair of houses, now converted into flats. The building is rendered with bands marking the sill levels of the second and first floors, rusticated quoins, and a plinth. It has a slate roof and stone chimneys. The three-storey front has a six-window arrangement facing Glamorgan Street, with shallow projecting bays at each end. The windows have moulded architraves, and the first-floor sash windows have three panes and horns. Two adjoining doorways are centrally positioned, featuring half-glazed panelled doors with side lights and plain semi-circular fanlights recessed within semi-circular arched surrounds, which incorporate keystones and pilasters. The rear elevation is characterised by three broad gables, each spanning the width of two windows, featuring small-pane sash windows. There is an additional, narrow window in the end bay of number 6, and a single-storey lean-to addition in the central bay.

The interiors are now divided between several flats and not readily accessible. Number 6 retains features indicative of its early to mid-18th century origins, including a staircase with 'barley-sugar' twisted balusters. There is also a fireplace with a shouldered architrave and egg and dart moulding, along with panelled walls and an enriched plaster ceiling within a rear ground floor room.

Local climate

6 Glamorgan Street sits in one of the wettest parts of the UK, with an average of 1,260 mm of rain a year. This makes it wetter than 93% of listed buildings in the UK. Its exposure to wind-driven rain is greater than that of 82% of listed buildings.

It experiences an average of 56 freeze-thaw cycles a year, more than 96% of listed buildings. Of these, 32 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

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  • Full EPC report — heating system, energy costs, size, glazing, construction etc.
  • Sale history — 19 transactions since 2001
  • Related listed building consents — 3 applications
  • 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
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Nearby listed buildings

  1. 5 Glamorgan Street Grade II* 9 m
  2. Garden Wall to rear of No 5 Grade II 20 m
  3. 4 Glamorgan Street Grade II 22 m
  4. Wellington Hotel including rear wings Grade II 24 m
  5. 3 Glamorgan Street Grade II 30 m
  6. Former Garden Wall to Nos.3 & 4 Glamorgan Street (now Wall to Car Park) Grade II 30 m
  7. Office including rear wing Grade II 33 m
  8. Nos 12 & 12a Grade II* 36 m
  9. Telephone Call Box opposite Brecknock Museum Grade II 44 m
  10. 13 The Bulwark Grade II 46 m