How Much Does It Cost to Extend a Detached House in the UK?
You might be surprised to learn that extension costs aren’t just about square footage—they hinge on site constraints, planning hurdles, and finish levels. You’ll face a wide range—from stripped-back, single-storey tweaks to multi-storey, high-spec builds—so your budget can swing 20k to well over 100k. Get a grip on how access, regulations, and chosen materials shape…
