If you are carrying conversion works such as a barn conversion, the guidance in Approved Document L1B for allowable glazing applies. The guidance is the same as extensions in relation to the 25% of glazing (openings) to floor area. If additional glazing is required then offset calculations can be carried out. Please feel free to contact… Read More
Building near trees. I was asked if you need to make foundation excavations deeper when building extensions near trees?. It depends on the ground conditions. If the ground consists of heavy clay then the Building Control Officer will generally ask you to take the excavation depth down to the NHBC guidance for Building Near Trees…. Read More
Energy Performance Certificates (EPC’s) are required for landlord properties and also certain buildings that are under Building Regulation control. If an EPC has been carried out for an existing property that is for sale or rent, then on the EPC it will say RD SAP on the certificate (This means Reduced Data SAP). If an EPC has been… Read More
For full information visit our Extensions page, but basically if the proposed extension has more than 25% of glazing to floor area then you will need to justify this. You are in addition allowed to have the area of any existing openings covered by the extension. For example if the propsed extension is 20.00m² in… Read More
Hi, I was asked if you need to carry out an Air Pressure Test for schemes such as barn conversions and formation of flats from existing buildings. The good news is that you only need to carry Air tests on new dwellings for domestic purposes. Please contact us if you have any questions regarding Pressure Testing…. Read More
Hi, this is John from Richmond Thermal Solutions. The blog is now up and running, please feel free to leave a post or a comment or contact us privately regarding a propsed sheme or general advice.