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Berthlwyd Colliery Ltd

Owner of Wernbwll Colliery; traded as the New Berthlwyd Gas Coal Company until becoming a limited company under this name shortly after the 1929 disaster.

Also recorded asNew Berthlwyd Gas Coal Company (Earlier trading name; the company formally adopted the name Berthlwyd Colliery Ltd shortly after the 1929 explosion.)

Mines operated

MineRegionYears
Wernbwll Colliery Swansea ?–1937

Record created: 14 September 2026 · Last researched: 14 September 2026

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