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Development finance for conversions funds the messy middle when you turn a building from one use into another. Some of the best property opportunities are hiding in plain sight: the tired office block that would make a smart row of flats, the old shop nobody wants as a shop, the barn or warehouse crying out for a second life. Converting a building from one use to another can create real value, but it also creates a funding problem, because a half-converted building is neither one thing nor the other, and ordinary mortgages do not touch it.
Development finance for conversions and change of use is built for exactly this. It funds the purchase and the works involved in turning a building from its current use into something more valuable, most commonly a commercial to residential conversion. It releases money in stages as the project progresses, and it is designed around the reality that value only appears once the work is done.
Here is how conversion and change of use finance works, how planning fits in, and what lenders want to see before backing your scheme.
What Is Conversion and Change of Use Finance?
This is a form of development finance used to fund projects that change what a building is used for, rather than simply refreshing it.
What it funds
It covers buying the building and carrying out the conversion, whether that is turning offices into flats, a shop into a home, or an agricultural or commercial building into residential units. The facility is structured around the project, funding the purchase up front and the works in stages.
Why an ordinary mortgage will not do
A standard mortgage wants a finished, usable property in a settled use. A building mid-conversion is unmortgageable, because it is neither its old self nor its new one. Conversion finance bridges that gap, funding the messy middle until the building reaches its new, more valuable state.
Who uses it
Property developers and investors spotting under-used commercial buildings, landlords creating rental units, and business owners repurposing space. The common thread is a building whose best value lies in a different use from its current one.
Planning and Permitted Development
Before any lender gets comfortable, they want to know you are allowed to do what you are planning. This is where change of use gets its own vocabulary.
Permitted development rights
Some conversions, notably certain commercial to residential changes, can be done under permitted development rights, which allow a change of use without a full planning application, subject to conditions and prior approval. Where these apply, they can make a scheme quicker and more certain, which lenders like.
Full planning permission
Other conversions need full planning permission, especially where the works are substantial or the building is sensitive. This takes longer and carries more risk, so lenders look closely at whether permission is in place or realistically achievable before committing.
Why lenders care so much
Permission is the foundation of the whole scheme. Without it, the conversion cannot legally happen and the value never appears, which means the lender’s security is worth far less than the plan suggests. A scheme with permission in hand is a far stronger proposition than one relying on hope.
How Does Conversion Finance Work?
The mechanics follow development finance: staged, monitored and built around progress.
Funding the purchase
The lender advances a portion of the purchase price to secure the building, with you contributing equity alongside. For a quick or competitive purchase, a bridge is sometimes used to grab the building first, with the conversion facility following.
Staged drawdowns for the works
As the conversion progresses through agreed stages, the lender releases funds to match, usually after a monitoring surveyor confirms the work. This keeps the project funded in line with what has actually been built, not what is promised.
The exit
Once the units are finished, you either sell them and repay the loan, or refinance onto a buy-to-let or commercial mortgage and hold them for income. That exit needs to be credible from the outset, because it is how the whole thing gets repaid.
What Do Lenders Look For in a Conversion Scheme?
Beyond planning, lenders assess the project and the people behind it.
A realistic appraisal
They want costs, timescales and a finished value that stand up to scrutiny. Conversions can throw up surprises, older buildings especially, so a sensible contingency in the budget reassures a lender far more than a suspiciously tidy one.
The right team
An experienced contractor and professional team matter, particularly for anything structural. A first-time developer can still get funded with the right people around them and a straightforward scheme, but a complex conversion with a thin team is a hard sell.
A clear exit
Whether you are selling the finished units or refinancing to hold them, the lender wants to see the exit is realistic in the current market. In a slower sales market, a plan to convert and let, then refinance, is often the steadier route.
The Clever Way to Fund a Conversion
Changing what a building is used for is one of the most rewarding things you can do in property, and one of the trickiest to fund, because the value only exists on paper until the work is finished. Get the planning position clear, the appraisal honest and the exit credible, and a good conversion scheme is a genuinely fundable proposition.
That is the heavy lifting we do. Tell us about the building, the planning and what you want it to become, we will tell you straight where you stand, then package and place your development finance so the money arrives in step with the works. Send it our way and do the Clever thing.
Frequently Asked Questions
Sometimes, because certain commercial to residential conversions fall under permitted development rights, which allow the change subject to conditions and a prior approval process rather than a full application. Whether your building qualifies depends on its current use, its location and the specifics of the scheme. It is worth confirming the planning position early, since it shapes both the timeline and the funding.
Typically a large share of the purchase and the majority of the build costs, within limits set against total cost and the finished value. You will usually contribute meaningful equity, commonly a fifth to a third of costs. The exact figures depend on the scheme, the exit and your experience, which is why a well-presented appraisal matters so much.
Conversions do sometimes overrun, which is why lenders build in a term with some headroom and why a contingency in your budget is wise. If a project slips, the priority is talking to the lender early, since many will work with you where the scheme is sound. Leaving it until the term is nearly up is where the pressure and the extra cost creep in.
Yes, and it is a common approach. A bridge can secure the building quickly, especially at auction or in a competitive sale, giving you time to finalise the conversion facility and planning. The two are then arranged to work together, with the development finance funding the works and providing a route to your eventual exit.