Free Resources
Free tools and downloads to help you plan and manage your UK kitchen extension.
Extension Calculators
FreeFree calculators to estimate costs, timelines, materials, and more for your UK kitchen extension. Foundation concrete, blockwork, insulation, roofing, and many more.
Extension Budget Spreadsheet
Free downloadA ready-made budget spreadsheet with every cost category pre-populated. Fill in your quotes and it calculates your total with contingency automatically.
Kitchen Extension FAQs
Free21 answers to the most common questions about UK kitchen extensions — planning permission, costs, build stages, finding builders, and more.
Building Terms Glossary
FreePlain-English definitions for 500+ building terms: tools, materials, trades, concepts, and regulations. Search or browse A-Z.
Approved Documents Explorer
FreeEvery UK Building Regulations Approved Document — Parts A through T plus AD7 and the Manual. Plain-English summary of each Part, plus the buildwiz guides where it comes up.