Your Annexe Options
Six routes to adding an annexe, compared honestly: what each costs, when it fits, and the planning rules that come with it.
Garden Annexes
Everything about garden annexes: what they cost, when you need planning permission, and how to choose a supplier. Independent guidance plus matched quotes.
Learn morePrefab & Modular Annexes
Prefab and modular granny annexes explained: costs from £20,000, factory build quality, installation in days, and how to compare suppliers properly.
Learn moreGarage Conversions
Converting a garage into a granny annexe: costs from £15,000, planning and building regs rules, and when a garage conversion beats a garden build.
Learn moreAnnexe Extensions
Building an attached annexe extension: single-storey and wraparound options, planning rules, costs, and designing for independence under one roof.
Learn morePlanning Help
Help with annexe planning permission: which route fits your project, what councils look for, ancillary-use conditions, and when to use a planning consultant.
Learn morePaying for an Annexe
Ways UK families fund an annexe: savings, remortgaging, selling a parent's home, later-life lending and family agreements. What to weigh up, in plain English.
Learn moreNot sure which route fits?
Tell us about your garden, budget and family situation. We'll point you at the right route and suppliers worth talking to.
Get Annexe Quotes