The building costs are estimated at £50,000 Inclusive + flooring and decoration.
The latter can be achieved within their Permitted Development Rights, providing some limitations are respected.
I have designed to ensure compatibility between extension and existing house.
Open space plan between existing and extended kitchen.
The two storey part of the extension, has a two pitch roof, intersecting the existing hip to gable roof.
Over the kitchen a single pitch roof with large Velux will ensure plenty of light.