A typical single-storey rear extension takes 10 to 14 weeks on site, and a two-storey or wraparound extension 14 to 20 weeks. Before that, you’ll also need to allow time for design, planning approval and structural calculations. We’ll give you a realistic programme at the outset and keep you updated weekly. Our house extension process guide explains more.
BASEMENT CONVERSIONS
Explore the different types of ground floor house extensions here.
HOUSE EXTENSIONS
Loft conversion or extension: what actually works for your property type? A clear guide before you think about cost or process.
LOFT CONVERSION
Most loft conversions in London do NOT require planning permission if they meet certain rules - but there is other required paperwork.
LOFT CONVERSION
Explore the different types and costs of Loft Conversions for London in 2026.
HOUSE EXTENSIONS
Explore the different types of ground floor house extensions here.
BASEMENT CONVERSIONS
There are a lot of moving parts that go into a basement conversion - let us help you understand a few ore of them.
