The typical total timeline is 5–9 months from initial survey to completion. This breaks down as: design and drawings (2–4 weeks), planning application (8–13 weeks), party wall agreements (6–8 weeks, running in parallel with planning), and construction (10–16 weeks). Simply Loft provides a project-specific timeline estimate at the free survey stage.
>> How long does a mansard loft conversion take from start to finish?
