National Coal Board Workshops Office Block is a Grade II listed building in the Sunderland local planning authority area, England. First listed on 15 July 1985. Office block. 2 related planning applications.

National Coal Board Workshops Office Block

WRENN ID
frozen-crypt-scarlet
Grade
II
Local Planning Authority
Sunderland
Constituency
Houghton and Sunderland South MP: Bridget Phillipson (Lab)
Country
England
Date first listed
15 July 1985
Type
Office block
Address
National Coal Board Workshops Office Block, Philadelphia Lane
OS grid reference
NZ 337 526
Coordinates
54.86733, -1.47614
Source
Historic England listing

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

Description

The National Coal Board Workshops Office Block, built around 1882 for the Lambton Colliery Company, is a single-storey office building located on Philadelphia Lane in Houghton-le-Spring. Constructed from brick with stone dressings, it features a Welsh slate roof and consists of seven bays arranged in two sections, with six bays in the first section and one bay in the second.

The third bay has a glazed double door beneath a margined rectangular fanlight, framed by a raised surround with bracketed cornices on either side. The fourth bay includes a projecting bay with sash windows, while the other windows are elliptical-headed sashes with glazing bars, set under gauged brick arches adorned with ram's-head keyblocks and featuring projecting stone cills. A similar window can be found in the second section on the left. The hipped roof is finished with red ridge tiles and has three transverse ridge chimneys, two of which on the left are truncated.

Local climate

National Coal Board Workshops Office Block receives an average of 740 mm of rain a year. This makes it drier than 73% of listed buildings in the UK. Its exposure to wind-driven rain is lower than that of 96% of listed buildings.

It experiences an average of 30 freeze-thaw cycles a year, fewer than 64% of listed buildings. Of these, 17 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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  • No EPC on record for this property
  • No sale records on file
  • Related listed building consents — 2 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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