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BUILDLENS LIBRARY — LAUNCHING SOON  

Our full resource library is being curated. Check back shortly.

"Our architect estimated £180,000 for our whole project. BuildLens Full Spectrum showed us the real figure was closer to £310,000. We re-scoped the entire project before signing a single contract. That one report saved us from financial disaster."

Sarah & James M
Victorian terrace renovation, South London

Free renovation guides. How to plan a home renovation. Hidden costs of extending a house. Regional construction cost differences UK. How to interview a builder. What to ask an architect before signing a contract. Planning permission guide UK. BuildLens Library is a free resource for homeowners planning extensions, renovations and property purchases. Guides written from 30 years of construction industry experience covering the Designer Cost Gap, hidden costs that online calculators miss, regional cost multipliers, how to read an architect agreement, what questions to ask a contractor, and how to avoid the most common budget mistakes. Construction cost guides free download. Home renovation planning checklist. How to manage a building project. Extension planning permission predictor. How much does planning permission cost. Do I need planning permission for a rear extension. How to find a good builder UK.

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