Disclaimer

Renovation Budget provides cost planning tools and guides for informational purposes. Our estimates are not quotes, and actual costs will vary.

Cost estimates

Cost ranges shown in our calculator and guides are based on UK industry data and reflect typical 2026 costs. Your actual cost depends on your location, materials chosen, site conditions, and tradespeople rates. London and the South East typically cost 20-30% more than UK averages. Always get written quotes from multiple tradespeople.

Editorial approach

Articles are AI-researched and human-reviewed. We cite primary sources (RICS, Gov.uk, trade associations) for factual claims. We don't accept paid placements or affiliate links to specific suppliers or tradespeople.

Not professional advice

Our guides are for planning only. They're not a substitute for professional advice from a structural engineer, architect, planning consultant, or Building Control. For project-specific questions, consult a qualified professional.

Building Regulations

Building Regulations change over time and vary by location. Information on this site is general guidance. Check the Gov.uk Planning Portal and speak to your local Building Control before starting work.