Having joined the Society of Friends, he went to work for the Bournville Village Trust and later became Chief Architect, a post he held for 21 years. In 1966 he designed the chapel at St Francis of Assisi's Church, Bournville. He was responsible for the design of Quinton Methodist Church in 1968, St. David's Church, Shenley Green which opened in 1970[6] and the Friends Meeting House in Redditch, 1974, and the adjoining housing complex, built for the Redditch Friends Housing Trust.
Other buildings include:
- Shard End Boys’ Club, Brownfield Road, Shard End, Birmingham 1960[7]
- Northfield Boys’ Club, Vineyard Road, Northfield, Birmingham 1960[7] (now demolished)
On retirement, Selby was appointed Administrator of Hanbury Hall[8] and was able to raise the profile of this historic house. Later he and his with moved to Ice House Cottage, in the grounds of the Hall, (where many remember buying garden produce, ice cream and honey sold in aid of charities) and finally to Studley.
He died suddenly on 12 April 2001.[9]