How Much Does a Detached House Extension Cost in Manchester in 2026?
A detached house extension in Manchester costs £30,000 to £120,000 in 2026. Detached houses get bigger permitted development rights than any other house type: 4m standard, 8m under the Larger Home Extension scheme. Full cost, planning and Party Wall Act guide.
How Much Does a Detached House Extension Cost in Manchester in 2026? Read More »



