Planning a shed base, garden office, or home extension? Estimating the concrete base cost can feel overwhelming. That’s where our Concrete Base Cost Calculator UK comes in—to help you get accurate, fast, and location-specific pricing.
How Our Concrete Base Cost Calculator UK Works
Our tool factors in the key cost elements including:
- Size of the base (m²)
- Depth of the slab
- Reinforcements required
- Site conditions and access
Simply input the dimensions and select a few options, and the calculator provides an estimated cost based on current UK rates.
Typical Concrete Base Costs (2025 UK Rates)
Here’s what you can expect for standard projects:
- 2m x 2m base: £400 – £600
- 3m x 3m base: £900 – £1,200
- 4m x 4m base: £1,600 – £2,400
Why Use a Cost Calculator?
Budget clarity! A good calculator saves time, avoids surprises, and gives you peace of mind. Whether you’re doing DIY or hiring pros, knowing your budget helps with planning and negotiations.
Need Expert Help?
While calculators give a strong estimate, on-site surveys provide 100% accuracy. At CambsBuild, we offer free quotes and professional advice tailored to your exact location and requirements.



