The Courtyard (formerly known as Trevalyn Hall Service Wing) is a Grade II listed building in the Wrexham local planning authority area, Wales. First listed on 18 October 1996. Service wing. 5 related planning applications.

The Courtyard (formerly known as Trevalyn Hall Service Wing)

WRENN ID
lunar-lead-sunrise
Grade
II
Local Planning Authority
Wrexham
Constituency
Wrexham MP: Andrew Ranger (Lab)
Country
Wales
Date first listed
18 October 1996
Type
Service wing
Address
The Courtyard (formerly known as Trevalyn Hall Service Wing), Rossett, LL12 0HL
OS grid reference
SJ 365 567
Coordinates
53.10451, -2.94938
Source
Cadw listing

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

Description

The Courtyard, formerly known as Trevalyn Hall Service Wing, is a brick building with stone dressings, set on a stone plinth of five exposed courses. It dates from the 18th century, but was extensively rebuilt in an Elizabethan style to replicate the western elevation of Trevalyn Hall. The building follows an H-plan, with single-storey later additions to the north, south, and western facades. It has two storeys plus an attic storey, with projecting cross wings to the north and south. Large stone mullion and transomed windows are present on both the two-storey sections. Blind attic windows, double-light, are set within stone coped gables featuring tulip-shaped finials. Triangular pediments top the first and attic storey windows, with the first storey pediments bearing armorial bearings. Brick chimney stacks are located on the inside returns of the cross wings. A central section of three bays has large stone four-light transomed and mullioned windows on the second storey, linked via a corridor at first floor level. A single-storey extension to the south wall of the south cross-wing may have served as the principal entrance after the removal of a linking corridor and Porters Lodge in the 1830s. A small single-storey extension to the north wall of the north cross-wing, likely intended as a garden feature, incorporates elements reminiscent of early 19th century Cottage Orne estate houses from the nearby areas of Marford and Rossett, including a blind ogee-arched Gothick window, a Gothick lancet window to the rear wall, a blind arrow slit, and pebbledash render. A garden wall to the northwest retains some render, arrow slits, and a blind triangular pedimented door. The western elevation lacks the decorative detail and symmetry of the other facades, and features a centrally placed chimney stack, a single-storey brick lean-to to the right of the stack, and late 19th/early 20th century wooden multipaned windows. A new entrance, set beneath a new triangular pediment, was constructed in the 1980s. The building is contained within a brick-walled courtyard and was in use as a stable at the time of re-survey.

Local climate

The Courtyard (formerly known as Trevalyn Hall Service Wing) receives an average of 860 mm of rain a year. This makes it wetter than 61% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 85% of listed buildings.

It experiences an average of 32 freeze-thaw cycles a year, fewer than 57% of listed buildings. Of these, 16 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 — 6 transactions since 1998
  • Related listed building consents — 5 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. Trevalyn Hall (including former lodge) Grade II* 40 m
  2. Rossett Mill Grade II* 258 m
  3. Rossett War Memorial Grade II 378 m
  4. Christ Church Grade II 396 m
  5. Former Stable-block to NE of Trevalyn Hospital Grade II 413 m
  6. Trevalyn Hospital (formerly known as Trevalyn House) Grade II 426 m
  7. Jessamine Cottage Grade II 696 m
  8. Rossett Hall Hotel Grade II 698 m
  9. Primrose Cottage Grade II 702 m
  10. Stone Cottage Grade II 716 m