63 Datchworth Green Datchworth Knebworth Hertfordshire SG3 6TL
Demolition of conservatory and construction of single storey extension on rear elevation of original dwelling. Eaves of the extension will not exceed the height of the eaves of existing dwelling house. New ridge not to be more than 4.0 metres above ground level. Materials for the exterior work to the extension to be of a similar appearance to the exterior of the existing house. Pitched roof to the extension to be clad in tiles that give a similar visual appearance to those used on the existing house roof.