Barn Conversion Costs in the UK
- Jul 5, 2023
- 3 min read
Updated: Nov 25, 2023

Barn conversions have gained popularity in the UK as a unique and charming way to repurpose old agricultural buildings into stunning residential properties. However, before embarking on a barn conversion project, it's crucial to understand the associated costs involved. In this article, we will provide a comprehensive guide to barn conversion costs in the UK, helping you plan and budget effectively for your project.
What are the fees associated with barn conversion?
Architectural Services: Architects' fees vary, typically based on the project's complexity and the level of involvement required.
Structural Engineers: If significant structural changes are needed, consulting with a structural engineer is crucial. Their fees depend on the scope of work.
Planning Permission and Building Regulations: Costs associated with obtaining planning permission and complying with building regulations should be factored in.
Legal Fees: Seek legal advice to navigate legal aspects such as contracts, lease agreements, and property searches.
How much Does it cost to do a barn conversion?
The cost of a barn conversion can vary widely depending on various factors such as the size of the barn, its current condition, the extent of the renovations required, and the location. Generally, barn conversions can be expensive due to the structural work involved and the desire to maintain certain architectural features.
Costs may include structural repairs, insulation, plumbing, electrical work, and interior finishes. It's recommended to consult with local contractors and professionals to get accurate cost estimates based on your specific project.
Let's consider a hypothetical scenario:
Initial Purchase Cost: You buy a barn for £100,000.
Structural Repairs: The barn needs significant structural repairs, which could cost around £50,000 to £100,000, depending on the extent of the damage and the structural work required.
Conversion Costs: The conversion itself might cost anywhere from £100,000 to £200,000 or more, depending on factors like insulation, plumbing, electrical work, and interior finishes.
Professional Fees: You'll likely need to hire professionals such as architects, surveyors, and contractors. Professional fees can vary but might add another £20,000 to £40,000 to the overall cost.
Contingency: It's advisable to set aside a contingency fund of around 10-20% of the total budget for unexpected costs, bringing the total estimated cost to around £300,000 to £500,000 or more.
Remember that those are only rough estimates...
Do I need Planning Permission to do Barn Conversion?
Planning permission requirements for barn conversions vary by location, and it's essential to check with your local planning authority. In many cases, planning permission is required for changes in land use, and converting a barn for residential use typically falls into this category.
However, some agricultural buildings may have permitted development rights that allow certain types of conversions without the need for full planning permission. Always confirm the specific requirements with your local planning department.
Is it Difficult to get a mortgage on a barn conversion?
Getting a mortgage for a barn conversion can be more challenging compared to traditional homes. Lenders may view barn conversions as higher risk due to factors such as the uniqueness of the property, potential complications with structural issues, and the need for specialized construction work.
It's advisable to work with a mortgage advisor or broker who has experience like First Mortgage with unconventional properties. They can help you navigate the process, identify lenders who specialize in financing such projects, and guide you through the unique considerations associated with barn conversions.
Keep in mind that mortgage eligibility can also depend on your financial situation, credit history, and the overall feasibility of the conversion project.
Contingency Fund
It is highly recommended to allocate a contingency fund of around 10-15% of the overall budget to account for unexpected expenses or unforeseen issues that may arise during the conversion process.



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