Describe how the space will be used
Start with the rooms, work areas or equipment that will change. For a home, identify furniture layouts and the fittings or controls you prefer. For a business, include equipment requirements, staff use and operating hours. The electrical proposal should reflect the intended use rather than simply repeat the existing positions.
Provide a clear layout
A marked-up plan or photographs help identify new circuits, sockets, lighting and equipment supplies. Include preferred fittings and manufacturer information where you already have it. Discuss which details are fixed and which still need choosing, so the quotation can explain any assumptions.
Review the existing installation
Additional equipment or layout changes may affect the existing supply and distribution equipment. Access to the installation and previous records helps establish what needs checking. The proposed work should identify any necessary changes to the existing installation rather than assuming every addition can be connected without further assessment.
Agree responsibilities with other trades
Clarify when walls, ceilings and service routes will be accessible. Agree who is responsible for building openings, decorating and making good. Where kitchen, heating or ventilation equipment is involved, coordinate the electrical requirements with the relevant supplier or contractor before the installation sequence is fixed.
Confirm the proposal and completion records
The quotation should explain the work, equipment, access assumptions and exclusions. Discuss isolation and how the property will operate while work is underway. At completion, keep the testing and certification appropriate to the work, along with product information and an explanation of any new controls.