When researching agricultural steel buildings, one of the first questions most people ask is: how much does it cost? The challenge is that pricing can vary significantly depending on size, specification, location and site conditions.
At Midbrook Steel Buildings, we believe in giving realistic guide pricing so you can understand what level of investment is typically required for a properly designed, long-lasting agricultural steel-framed building, not just a basic frame.
This guide explains what affects cost, provides real example prices, and helps you understand what to expect before requesting a detailed quote.
What Actually Determines Agricultural Steel Building Cost?
Steel building pricing isn’t based on size alone. Several factors influence the final figure, including:
- Building width, length, and height
- Steel specification
- Insulation type and thickness
- Door and window configuration
- Cladding specification
- Site access and location
- Ground conditions
- Drainage and external works
- Labour
- Plant / Machinery
Because every site and project is different, two buildings with the same footprint can vary substantially in cost.
Example Agricultural Steel Building Prices (2026 Guide)
All prices exclude VAT and cover the supply and installation of the steel building only.
These examples show how size and specification influence cost and should be used as a general guide rather than a fixed quote.
Size Specification Guide Price
| Size | Specification | Guide Price |
| 7.5m × 13.5m × 3.5m | Single skin | £40,000 |
| 6m × 22m × 2.5m | Single skin | £55,000 |
| 15m × 15m × 4m | Single skin | £63,500 |
| 10m × 24m × 5m | 40mm insulated | £66,500 |
| 12m × 18m × 5.5m | 100mm insulated | £95,000 |
| 20m × 15m × 4m | 120mm insulated | £112,500 |
| 25m × 20m × 5m | Single skin | £168,000 |
| 30m × 25m × 5.5m | 80mm insulated | £228,000 |
| 36m × 40m × 4m | Single skin | £292,500 |
Important:
These guide prices do not include:
- Groundworks or foundations
- Planning permission support
- Internal fit-out
- Drainage or external works
Depending on the site, these elements can represent a significant portion of the total project cost.
Why Larger Agricultural Buildings Often Offer Better Value
In many cases, the cost per square metre decreases as buildings get larger. This is because certain fixed costs — such as design, transport, and installation setup — are spread across a bigger footprint.
For farms planning long-term expansion, investing in a slightly larger structure from the outset can be more cost-effective than building small and extending later.
Single Skin vs Insulated Agricultural Buildings
Specification has a major impact on price.
Single skin buildings
- Most economical option
- Ideal for machinery storage or hay barns
- Minimal internal climate control
Insulated buildings
- Higher upfront cost
- Better temperature regulation
- Suitable for workshops, livestock housing, or processing areas
Choosing the right specification depends on how the building will be used, not just budget.
Why Online “Average Prices” Can Be Misleading
Many online price guides show rough averages per square metre. While these can be helpful for ballpark figures, they rarely account for:
- Site preparation
- Structural requirements
- Access limitations
- Customisation
That’s why realistic pricing is usually based on real project information rather than generic estimates.
The Most Accurate Way to Price a Project
The best way to understand the true cost of an agricultural steel building is through an early site assessment. This allows professionals to evaluate:
- Ground conditions
- Access for installation
- Drainage needs
- Structural specification
With this information, you get a price based on reality — not guesswork.
One huge advantage of enquiring with Midbrook is that we offer free site visits. We recommend requesting a quote first so you can confirm we’re within your budget range, and then we can arrange a visit to assess your site in detail.
Final Thought
Agricultural steel buildings are long-term infrastructure investments. The right design and specification can deliver decades of reliable use, while choosing purely on lowest price can lead to limitations or unexpected costs later.
Understanding realistic pricing early helps ensure your project is planned properly from the start.
Considering an agricultural building?
Getting expert input early can save time, prevent costly mistakes, and give you a clear understanding of what your project will realistically require. Call us on 01335 370128 to discuss further or request your free quote here.

