Understand costs
Get realistic cost ranges based on your project details and current UK market data.
Our Mission
Helping Homeowners Plan with Confidence
BuildCostHub helps UK homeowners understand the likely cost of home improvement projects before approaching builders, committing to design work or making expensive decisions.
With clearer cost expectations from the beginning, homeowners can compare their options, plan realistic budgets and move forward with confidence.
Calculate Your Project CostFree UK cost estimatesRealistic ranges based on current UK market data.
Why BuildCostHub Exists
Every successful home improvement begins long before construction starts. It begins with understanding what is possible and making the right decisions.
Too often, homeowners must rely on rough online figures, scattered advice or multiple builder quotations before gaining a realistic understanding of their budget. This can create uncertainty, unnecessary costs and decisions based on assumptions.
BuildCostHub was created to change that. We provide clear, easy-to-understand construction cost estimates using UK-based pricing data, helping homeowners plan before speaking to builders or committing to expensive design work.
Compare options
Explore different approaches and see how your choices may affect the overall cost.
Plan confidently
Enter conversations with builders better informed and make decisions with greater clarity.
What Is BuildCostHub?
BuildCostHub is a free online home improvement cost-planning platform for UK homeowners. Choose a project, answer a few simple questions and receive an instant estimated cost range to guide your planning.
House Extensions
Explore likely costs for single-storey, double-storey and side-return extensions.
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Loft Conversions
Estimate costs for dormer, hip-to-gable and mansard loft conversion projects.
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Garage Conversions
Understand the likely investment required to turn your garage into practical living space.
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Home Renovations
Plan kitchens, bathrooms and whole-home improvements with clearer cost expectations.
Explore calculatorOur Mission
Our mission is to make home improvement planning more transparent, accessible and less stressful for every homeowner.
Empower homeowners
Give people the knowledge to make confident, informed decisions about their homes.
Promote transparency
Provide clear, realistic cost information so homeowners know what to expect.
Support better planning
Help people plan ahead, set practical budgets and avoid unnecessary surprises.
Improve homes, improve lives
Help homeowners create more comfortable, practical and valuable living spaces.
Encourage quality
Support thoughtful design, careful planning and quality workmanship from the beginning.
Build trust
Be a reliable and impartial planning resource that homeowners can return to.
Why Use BuildCostHub?
Clear information leads to better decisions.
Whether you are exploring an idea or preparing to begin a project, BuildCostHub helps you understand the likely investment before taking the next step.
Fast and straightforward
Answer a few simple questions and receive an instant project cost range—without signing up.
Based on UK cost data
Our estimates use up-to-date UK pricing information and relevant regional cost factors.
Created for homeowners
Written in plain English and designed to make home improvement planning feel less complicated.
Free to access
BuildCostHub calculators are completely free to use, whether you are exploring or ready to build.
Practical and transparent
We explain the factors affecting your estimate so you can understand the figures more clearly.
Looking Ahead
BuildCostHub is just getting started. Our vision is to build the UK's most trusted home improvement planning platform—helping homeowners move from their first idea through budgeting, planning and informed decision-making with confidence.
Future features will expand beyond cost estimation, providing practical tools, insights and guidance throughout every stage of the home improvement journey.
Because every successful home improvement starts with an informed decision.
Ready to explore your project?
Get your free UK cost estimate in minutes and start planning with confidence.
Calculate Your Project Cost