St Winefride, St Gwenfrewy
He designed chapels in mid-Wales at Bala, Machynlleth and Montgomery, the Calvinistic Methodist College at Bala as well as the railway station at Newtown and the Market Hall in Dolgellau. Spaull also renovated several Anglican churches.

11HH(WINEFRIDE)

	St David and St Winefride firm/studio: John Hardman & Co. probably early twentieth century Cathedral Church of Our Lady of Sorrows, Wrexham north wall of the north aisle
	Virgin and Child with St James, St John and St Winefride firm/studio: C.E. Kempe 1890 Church of St Cynfarch and St Mary, Llanfair Dyffryn Clwyd, Denbighshire south wall (window number: sIII)
	St Winefride 1860 Church of St Winefride, Holywell, Flintshire nave
	Scenes from the Life of St Winefride firm/studio: John Hardman & Co. about 1861 Church of St Winefride, Holywell, Flintshire (liturgical) south wall of the nave
	Scenes with St Winefride and St Beuno firm/studio: William Wailes 1852 St Beuno's Jesuit Spirituality Centre, Tremeirchion, Denbighshire chapel
	The Martyrs praise Thee from Te Deum Windows firm/studio: James Powell & Sons designer: James Hogan designer: J. W. Brown 1911 Bangor Cathedral, Bangor, Gwynedd north wall of the north aisle
	St Catherine, St James the Great, St Lawrence and a Bishop restorer: Joseph Bell early sixteenth century, restored in 1877 Church of St Asaph and St Cyndeyrn, Llanasa, Flintshire east wall of the north nave (window number: nI)
	St Winefride and St Beuno firm/studio: John Hardman Studios 1994 St Winifrede's Well and Well Chapel, Holywell, Flintshire chapel
	St Winefride, St Cecilia and Charity firm/studio: Jones & Willis Ltd 1898 Church of St Winifred, Penrhiwceiber, Rhondda Cynon Taff east wall of the chancel
	St Winefride firm/studio: Powell & Sons (Whitefriars) Ltd about 1924 Church of St Ilid, Crai, Powys south wall of the nave (window number: sV)