Blickling Hall is the jewel in the National Trust’s crown. Nobody ever forgets their first sight of Blickling, the stunning red brick stately home stands in Norfolk and houses one of the most historically significant collections of manuscripts and books in England. The three centuries old parkland and gardens include a huge lake.
The National Trust approached RDC to provide a proposal to reduce the heating costs for the building with an aim of making the property more sustainable and removing oil from the premises. RDC chose the lake as the heat source for the heat pumps, designing a system that allowed the pipes to be installed in the shallow part of the lake which was nearest the house.
A water source system such as this is ideal for an older building, water is the best exchanger of heat and it reduces the impact on the listed grounds. Using the lake reduces external groundworks, ideal for historically sensitive parklands as most pipework is installed on the lake bed, with only one trench running from the building to the lakeside. A manifold pit is buried on the bank beside the lake to which the pipes are all connected so the only visible part of the system is the lid to the pit, all other parts of the external works are buried or sunk out of sight.
The heat pump system will ensure a consistent level of heat for the building which will reduce humidity and provide the ideal temperature for conservation of the fixtures and fittings, including the library.
The system will be eligible for the non-domestic RHI payments for the full 20 year period, with a payback of approximately 7 years.