Progress of house building; 3 chimneys up, Percy (Curtis) proud of appearance of roof's gables, hips and dormers, felting and tiling to be done; annoying delays in fitting window frames; rough calculation of 400 feet of water piping, good book on hot water supply by Mr Dye; choosing fixtures and fittings for kitchen and bathroom from Spring? and Marten of Stratford catalogue; electric bells to be fitted; suggests William might find books on surveying in old Newcastle bookshops.