So that you can get a reasonable idea of the budget you would need to make allowance for, the following are approximate prices based on the average loft conversion projects carried out on properties in good condition in recent years.

Please note that every single project is quoted individually, and prices vary according to size, condition of the property, cost of selected materials and so forth.
Example 1: 1: 5m x 3 Extension
- Option 1 – Flat roof Foundations, Walls flat roof removal of doors in to the existing property. £25,000 + VAT
- Option 2 – Flat roof with lantern light Foundations, Walls flat roof, Removal of doors in to the existing property. £27,000 + VAT
- Option 3 – Flat roof with lantern light and large opening, Foundations, Walls flat roof removal of doors in to the existing property. £30,000 + VAT
Example 2: 7m x 3 Extension
- Option 1 – Flat roof Foundations, Walls flat roof removal of doors in to the existing property. £28,000 + VAT
- Option 2 – Flat roof with lantern light Foundations, Walls flat roof, Removal of doors in to the existing property. £29,000 + VAT
- Option 3 – Flat roof with lantern light and large opening, Foundations, Walls flat roof removal of doors in to the existing property. £32,000 + VAT
Other options available include:
- Mansard roof, Lean to roof, Pitched Roof
- Bi fold doors, French doors with side lights
- Roof lights, Velux windows


What’s included in our price?
Electrics
All electrical works are carried out in strict accordance with BS7071 the IEE Wiring regulations and are test and certificated in accordance to the part P building regulation scheme