Transform your home with confidence using our expert guidance on every aspect of extension projects, from initial design and planning permissions through to project management and finishing touches. Extension Build is here to help.
Try our free tool Planning Permission Checker to get instant personalised help.
Can a Door Open Directly from Bathroom to Kitchen?
A direct door between your bathroom and kitchen is usually allowed if there's a hand basin, though building regulations can vary by location.
When Is an Annexe Not an Annexe?
Understanding what counts as an annexe for planning and council tax purposes can save you time and money on your extension project.
Converting Two Houses Into One
How to convert two houses into one without planning permission, plus what building regulations and safety rules you'll actually need to follow.
Planning Permission Checker (Free Tool)
Tell us about your planned extension and find out whether you need planning permission or can build under permitted development.
Energy Supply and Capacity for Extensions or Small Builds
Enhancing your home or building a small commercial space? Don't let modern energy demands exceed your current supply; plan ahead!
When Is an Annexe Not an Annexe?
Understanding what counts as an annexe for planning and council tax purposes can save you time and money on your extension project.
Exterior Light and Power for an Extension
Adding outdoor lighting and power during your extension build saves you from running cables through windows and makes your garden usable after dark.
Using Wood Structurally in an Extension
Wood-framed extensions are quick to build and can be designed with exposed beams or hidden frames depending on your budget and style.
Modifying the Drainage System for an Extension
Your home extension needs drainage changes—here's how to plan and modify your system safely.
Top Five Materials for Home Extensions
Comparing the five most common facing materials for home extensions and what makes each one worth considering.
Building Onto a Side Return for Extra Space
Add valuable living space to Victorian or Edwardian homes by building on your side return for kitchens, conservatories, or storage.
Knocking Two Houses Into One
From one homeowner's experience combining two properties—the messy way versus how to properly merge houses without duplicate systems.
Fitting Plate Glass Doors to an Extension
Large glass doors look stunning but choosing the right type, size and placement before building your extension matters more than you'd think.
A Home Media Centre in an Extension
Adding an extension gives you the space to build a dedicated media room for your TV, projector, PC and sound system.