History in Structure

This site is entirely user-supported. See how you can help.

Fourth arch over South Wales Railway at Peniel Green

A Grade II Listed Building in Llansamlet, Swansea

Approximate Location Map
Large Map »
Street View
Contributor Photos »

Street View is the best available vantage point looking, if possible, towards the location of the building. In some locations, Street View may not give a view of the actual building, or may not be available at all. Where it is not available, the satellite view is shown instead.


Latitude: 51.6607 / 51°39'38"N

Longitude: -3.8773 / 3°52'38"W

OS Eastings: 270246

OS Northings: 197439

OS Grid: SS702974

Mapcode National: GBR GZ.PCD1

Mapcode Global: VH4K4.RJ27

Entry Name: Fourth arch over South Wales Railway at Peniel Green

Listing Date: 16 January 2004

Last Amended: 16 January 2004

Grade: II

Source: Cadw

Source ID: 82385

Building Class: Transport

Location: Crossing the South Wales Railway some 525m SE of Llansamlet station. This arch is the most S structure as the railway curves S.

County: Swansea

Town: Swansea

Community: Llansamlet

Community: Llansamlet

Locality: Peniel Green

Built-Up Area: Swansea

Traditional County: Glamorgan

Find accommodation in


One of four hump-backed flying arches built over railway line and intended to stabilise the cutting banks where slips had occured shortly after the line opened in 1850. The line was engineered by I. K. Brunel for the South Wales Railway. The arches are shown on the 1885 OS map which also shows a track crossing this fourth arch N from Llwynbrydrau to Peniel Green Road.


One of four broad stone arches of rubble stone with cut stone voussoirs to segmental arches. Arches are some 12m wide and approximately 20 to 25m long. Arches are weighted on top with copper slag and provided with retaining walls on each side holding back earth.

Reasons for Listing

Included for its special historic interest as one of four unusual engineering structures, probably by I. K. Brunel, the renowned Victorian engineer.

Other nearby listed buildings

BritishListedBuildings.co.uk is an independent online resource and is not associated with any government department. All government data published here is used under licence. Please do not contact BritishListedBuildings.co.uk for any queries related to any individual listed building, planning permission related to listed buildings or the listing process itself.

British Listed Buildings is a Good Stuff website.