missing postcode: BS4 1EU

check the location of the pool, it might not be correct

Cattle Market Tavern recently demolished - check

3 Arup Building

Building 30 is hereabouts -- needs a detailed survey, espec. Queens Quay?

"Lake Grounds Swimming Pool" must refer to the swimming pool on the opposite side of Esplanade Road. Its correct name is "Portishead Open Air Pool".
http://www.portisheadopenairpool.org.uk/

Golf course no longer used, it's now just an open, grass-covered public space.

Check the name of "The Hare" might have changed?

Budget Boozer has closed and this is no longer a shop. It’s been turned into flats.

Houses are joined - maybe a garage between them?