Doxford House in Sunderland, until recently a derelict Georgian mansion listed on the 2009 Heritage at Risk register, has undergone restoration including a new roof for its Winter Garden.

‘The containing decorative stonework,’ appears to have been inspired by the Victorian passion for romantic, idealised notions of landscape and legend…’ according to local experts

The original structure of the unique iron and timber framed conservatory was beyond repair and has been rebuilt using C24 grade construction timber capable of withstanding high loads and wide spans.  New Accoya timber windows were installed on sandstone dwarf walls.

Howells’s HGR1 aluminium rafter bar system was for the new conservatory roof.  Glazed with 11.5mm clear laminated and toughened shaped glass, the roof required additional support to comply with building regulations.

To accommodate the weight of the glass, the reinstated C24 timber rafters were laminated to a steel subframe, determined by steel calculations.  The HGR1 aluminium rafter bars then fit seamlessly atop the new timbers.

For a cohesive and complementary finish, the aluminium rafter bars were powder coated in anthracite grey (RAL 9023). The roof was completed with bespoke pressed metal in the hips and ridges.

“Howells were a pleasure to work with, “ said Doxford House site manager Gary Lax, “They were fast, reliable and efficient.  We are very pleased with the quality and overall aesthetic of the conservatory roof.  It has helped re-establish some of the long-lost grandeur of the Winter Garden – linking the Renaissance style sandstone feature entrance on Warden Law Lane with the House.”

www.howellsglazing.co.uk

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