To quote from their website :- Click HERE
78 Derngate is the only house in England designed by Charles Rennie Mackintosh.To Quote from Wikipedia :-
It is now a multi award-winning visitor attraction offering an unforgettable day out in Northampton.
78 Derngate is a Grade II* listed Georgian house in the Cultural Quarter of Northampton, England, originally built in 1815. It is noted for its interior, which was extensively remodelled in 1916 and 1917 by noted architect Charles Rennie Mackintosh for businessman Wenman Joseph Bassett-Lowke as his first marital home.It was such a great house to visit. This is the first of two blogs from here. This blog looks at some of the beautiful patterns, textures etc from the house.
Well worth a visit
You can also see more about 78 Derngate on twitter @78derngate