Development Finance: What Is Development Finance?

Starting With The Basics
If you have ever looked at a plot of land, an empty office block or a tired old barn and thought "there's a project in there", you have probably come across the term development finance. It is a type of short-term borrowing built specifically for property projects rather than finished buildings.
In this guide we will explain what it is, how the money actually reaches you, what lenders look for and what to watch out for. No jargon, no assumptions, just clear information so you can decide whether it fits your plans.
Who Tends To Use It
This guide is for UK property developers, landlords, small builders and business owners planning a build, conversion or major refurbishment. It will also help first-time developers who want to understand the language before speaking to a lender, and anyone comparing development finance with a mortgage or bridging loan.
What Development Finance Actually Is
Development finance is a specialist, short-term loan used to fund property projects where the finished asset does not exist yet. That usually means one of three things: a ground-up new build, the conversion of an existing building into something else, or a substantial refurbishment that materially changes the property's value and use. It can cover both the purchase of land or a building and the cost of the works that follow.
Unlike a mortgage, which is secured against a property as it stands today, development finance is assessed against what the project will be worth once finished. Lenders refer to this as the Gross Development Value, or GDV. They weigh up your acquisition costs, your build costs and your projected end value, then lend a proportion against those figures.
Terms are short by design. Most facilities run somewhere between 6 and 24 months, with some lenders stretching from around 3 months up to 36 months depending on the scheme.
Development finance funds the creation of value, not the ownership of it.
How The Money Reaches You
This is the part that surprises most first-time developers. Development finance is rarely handed over as a single lump sum. Instead, the land or purchase element is often released at the start, and the build costs are then drawn down in tranches as work progresses on site.
Before each release, a monitoring surveyor or Quantity Surveyor usually inspects the site and certifies that a stage of works has been completed to the expected standard and cost. Once that certificate is issued, the lender releases the next slice of funding. It keeps borrowing tied to genuine progress and protects both sides from a project running away from its budget.
For you as the borrower, the practical implication is cash flow. Because funds arrive after work is done rather than before, you need working capital or supplier terms to bridge each stage. Interest is often rolled up or retained rather than paid monthly, which helps, but delays on site can quickly become delays in funding.
Why This Type Of Funding Exists At All
Conventional lending is built around assets that already produce income or have a settled market value. A half-built block of flats does neither. It has no rent roll, no completed valuation and no immediate resale market, which makes it an awkward fit for a standard mortgage or business loan.
Development finance fills that gap. It is structured around a project's future value rather than its current position, which is why lenders look so closely at planning permission, the schedule of works, build costs, sales assumptions and your timeline.
Repayment then comes from the exit. In most cases that means selling the completed units, or refinancing onto a longer-term facility such as a buy-to-let or commercial mortgage if you intend to hold and let the property. Because the lender is repaid from the success of the finished scheme, they will scrutinise your plan, your team and your experience as carefully as the numbers themselves.
Weighing It Up
| Pros | Cons |
|---|---|
| Funds projects that mainstream mortgages will not touch | Interest rates and fees are typically higher than standard property lending |
| Can cover both acquisition and build costs in one facility | Funds are staged, so you need working capital between drawdowns |
| Lending is based on projected end value, not current value | Surveyor inspections and monitoring add cost and administration |
| Interest can often be rolled up rather than paid monthly | Short terms mean delays create real refinancing pressure |
| Flexible across residential, commercial and mixed-use schemes | Underwriting is document-heavy and can take time |
| Staged release helps keep budgets and progress aligned | Exit depends on sale or refinance conditions you cannot fully control |
Points Worth Checking Carefully
Look closely at the total cost of borrowing rather than the headline rate. Arrangement fees, exit fees, monitoring surveyor costs, legal fees and valuation charges all add up, and some lenders charge interest on the full facility rather than only the drawn amount.
Be realistic about your timeline. A short term is fine when the build runs to plan, but extensions can be expensive and are not guaranteed. Build in contingency for both cost and time, and check whether the lender will fund overruns.
Check what happens if a drawdown is delayed, how quickly funds are released after certification, and whether personal guarantees are required. Confirm the planning position too, as lenders treat schemes with full permission very differently from those relying on it being granted.
Finally, be aware that the same phrase is used elsewhere. In UK policy and international aid, development finance describes public money used to unlock private investment in higher-risk economies, often through development finance institutions, grants, concessional loans or blended finance. It is a completely separate meaning from property lending.
Other Routes To Consider
- Bridging loans - short-term secured funding, useful for a quick purchase, an auction deadline or light refurbishment where no major construction is planned.
- Commercial mortgages - longer-term borrowing suited to owning and holding an income-producing property once it is complete.
- Buy-to-let or refurbishment-to-let products - designed for landlords improving a property and then holding it for rental income.
- Secured business loans - borrowing against existing assets, which may suit smaller works or contributions to a project's cash flow.
- Joint ventures or equity partners - trading a share of profit for capital, which can reduce debt pressure on tight schemes.
- Mezzanine finance - additional funding that sits behind the senior lender to top up the loan and reduce the deposit needed.
- Self-funding or reinvested profits - slower, but avoids interest costs and lender conditions entirely.
Common Questions
How much can I borrow? Lenders usually work to a percentage of build costs and a percentage of Gross Development Value. Many will fund a large share of the works alongside a portion of the purchase price, but you should expect to contribute your own capital, often the land or a deposit.
Do I need planning permission first? It is far easier with it. Some lenders will consider schemes at pre-planning stage, but the terms are typically stricter and more expensive. Full detailed permission gives lenders the most confidence.
Can first-time developers get development finance? Sometimes, yes. Lenders will look for a credible team around you, such as an experienced contractor, architect and project manager, along with a realistic appraisal and a clear exit.
How is interest paid? Often rolled up or retained and settled at the end, so the project does not have to service monthly payments while it generates no income.
What documents will I need? Typically a development appraisal, schedule of works, costed build budget, planning documents, drawings, professional team details, your experience record and a clear exit strategy.
Is it regulated? Most development finance for commercial purposes is unregulated lending, which means fewer consumer protections. Always check the terms carefully.
Where Kandoo Fits In
Kandoo is a UK finance broker, so our job is to help you understand the options and reach the right lenders rather than sell you a product. We can talk through how your scheme is likely to be viewed, what documents to prepare and how staged drawdowns will affect your cash flow.
If development finance is not the best fit, we will say so and point you towards alternatives. Clear information first, decisions second.
Important Information
This article is for general information only and does not constitute financial, legal, tax or investment advice. Development finance carries risk, and your property may be at risk if you cannot repay. Rates, terms and lending criteria vary between lenders and can change. Much commercial development lending is unregulated. Always seek independent professional advice before committing to any borrowing.
Buy now, pay monthly
Buy now, pay monthly