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Expert quantity surveying
Our Services
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£199 Comparison
Compare Multiple Quotes
Flag High Risk Items
Choose The Best Builder
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Designed for UK homeowners, renovators & anyone unsure about builder quotes.
What we do is simple: we look at builders' quotes, spot red flags, and identify ways you can save money. We interpret quotes, offer advice, and help build trust. All within 1- 2 Working Days.
Whether you're feeling anxious about a side extension or remodeling a bathroom, Costable will review any quote, break it down for you, and provide clear advice.
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Want to see more? Explore our YouTube channel for other Costable services — from quote reviews to full feasibility checks.
Terms and Conditions
Understanding our commitment to you
Thanks for choosing Costable! Before we get started, here’s what you need to know:
- Turnaround Time: We’ll send your report within 1–2 working days after we receive everything we need from you.
- What We Do: We give independent, expert cost advice, helping you spot issues in quotes and avoid budget surprises. We don’t visit your site or replace legal/building advice.
- Your Info: Please make sure your documents (quotes, plans) are clear and complete, our advice is only as good as what we receive.
- Refunds: You can get a refund before we start. Once your report is delivered, we don’t offer refunds unless there’s been an admin error.
- Fair Use: Our reports are for your personal use only, they’re not legal documents and can’t be resold or shared as official tender advice.