Design and Build Cost Calculator

Calculators terms: Loft conversion cost calculator, home extension cost calculator, renovation cost calculator or basement cost calculator instant quote. This calculator is for illustrative purposes only. Please choose what type of quote you require, if you are looking for architecture services select architecture quote request or if you looking for design and build quote select design and build quote request or book a free consultation call. Costs subject to change. The quote is subject to final architectural drawings, structural drawings, construction drawings, building control approval and adjustments or alterations, client alterations, party wall agreements, final site visits, verification by consultant is required for detailed look of the project and its requirements. Lccl Construction (Loft Conversion Company London Limited).