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Cof Cymru: National Historic Assets of Wales · Wales

Former Manager's Office at Boston Lodge Railway Works

Penrhyndeudraeth, Gwynedd, Wales

The record

Designation
Listed building, Grade II
Broad class
Commercial
Date of designation
8 March 1994
Locality
Boston Lodge
Community
Penrhyndeudraeth
Unitary authority
Gwynedd
Country
Wales
Coordinates
52.92013, -4.10607
Cadw reference
14419

Slide toward Today to fade the historical sheet and see the modern map underneath.

David Rumsey Map Collection, Stanford Libraries

Shown on 5 historical map sheets, the earliest the 1795 "To Sir Watkin Williams-Wynn Bart ... the map of the six counties of North Wales is most humbly inscribed by his obedient humble servant" (Llyfrgell Genedlaethol Cymru – The National Library of Wales).

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This record in Cadw's own full report ↗

Cadw's description

The railway yard known as Boston Lodge is a large complex at the south-east end of The Cob, facing Porthmadoc across the Traeth Mawr. This building is at the northern end of the site at right angles to the railway line.

Boston Lodge was originally one of the two barracks built for the workforce constructing The Cob in 1808-11, William Madocks' major engineering project. It was widened in 1836 by the addition of the lower Cob to carry the new road and the original embankment was then converted to carry the new Ffestiniog Railway which was built as a narrow-gauge slate railway to connect the quarries at Blaenau Ffestiniog with the harbour at Porthmadoc. Boston Lodge was used to provide stabling for the horse-drawn railway but following introduction of steam locomotives in 1863, which in itself was a technological achievement given the gradients on this line, it was enlarged and converted into a locomotive works and yard; it was most unusual for such a small railway to be building its own carriages and locomotives. Boston Lodge retains this use because although the line was closed in 1946 it reopened in 1954 as a private steam railway. It is widely recognised as one of the world's historic railways and is believed to be the oldest surviving railway company. The name of the works derives from the fact that Madocks was MP for Boston, Lincolnshire. This building may relate to the expansion of Boston Lodge after 1863 when steam locomotives were introduced. Following partial demolition it is now a monopitch roof building.

of local slatey rubble with slate roof. The whitewashed rendered front has offset gabled timber porch with pendant and finial and part-trellissed sides; flanking 2-light window. Left end, beside track, has unhorned 16-pane sash window.

Listed as part of this especially complete example of a C19 railway engineering works which has important historical associations with the Ffestiniog Railway.

Group value with other listed items at Boston Lodge.

Nearby in the register

Other entries of the same register within about three miles of this one, by straight line.

Designated Historic Asset GIS Data, The Welsh Historic Environment Service (Cadw), 2026-09-07, licensed under the Open Government Licence http://www.nationalarchives.gov.uk/doc/open-government-licence/version/3/ Cadw, the Welsh Historic Environment Service · Open Government Licence v3.0
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