Upton

This flat roof area in Upton, Northampton included well constructed internal parapet wall detailing. Despite the excellent workmanship, however, the occasional need to stand up to excessive rainfall and high winds had not been factored into the design, meaning that the outside edges (7m2 per elevation) were pouring too much rain water onto the window sills below.
The last picture shows the pitch alteration making all the rain…

This dormer roof in Upton, Northampton NN5 presented some interesting problems.
The new build lead work had been installed with the aim of directing rainwater back from the dormer roof to drain off the sides, a method that relieves the need for a high level front gutter. However, that design seemed to be have been changed halfway through the installation - so that somehow the rear gutter was installed flat without the stepped rear…