Residential developer finance rates UK lenders quote for bridging loans currently range from around 0.55% to 1.25% per month, depending on the lender, the loan-to-value, the borrower's development experience and how clean the exit looks. Bridging loans for property developers are priced on risk rather than a fixed sheet, so two applicants with identical loan amounts can be offered very different rates based on nothing more than their track record and the quality of their exit plan.
If you're a landlord or developer trying to work out what a scheme is actually going to cost, the headline rate only tells you part of the story. Arrangement fees, exit fees, valuation costs and monthly interest all stack up differently depending on how the loan is structured, and the cheapest-looking rate on paper is sometimes the most expensive loan by completion.
This is one of the areas where brokers earn their fee without the borrower always noticing it. Knowing which lender will flex on rate for a strong deal, and which lender simply won't touch a particular property type at any price, saves weeks of wasted enquiries. It also stops you quoting a rate to your investors or business partners that never actually materialises once underwriting gets involved. Landlords and developers working on schemes in Stockton-on-Tees or Kilmarnock often find the same lender appetite quirks apply regardless of region.
It's also worth saying that the UK bridging and development finance market has grown considerably over the past decade, with dozens of lenders now competing for the same pool of borrowers. More competition should, in theory, push rates down, but it has also made the market harder to navigate for anyone who isn't speaking to it daily. A rate that looks competitive from one lender might come loaded with restrictive conditions that make it unworkable in practice. For a broader look at how these loans fit alongside other options, see our guide to property developer finance options.
Many of these lenders operate in quite narrow niches without saying so openly. One might be excellent on light refurbishment bridges under £500,000 but hopeless on ground-up development, while another has a strong appetite for London flats but will barely look at anything outside the M25. Working out which lender sits where takes time, and it's a large part of why direct applications so often end up with a worse rate than the same deal placed through a broker with existing relationships.
There's also a growing split between the older, more traditional bridging lenders and a newer wave of specialist development finance funds backed by institutional money. The newer entrants often compete hard on rate to build market share, but can be slower and more process-heavy at underwriting stage because they're answering to a credit committee rather than a single decision maker. Knowing which type of lender suits a particular borrower's timeline is as important as the rate itself.
What this means in practice
In practice, residential developer finance rates in the UK are not a single number you can quote with confidence until a lender has actually looked at your deal. What you'll find advertised online is usually the best-case rate, reserved for experienced developers with low loan-to-value requests and a watertight exit.
For most borrowers, the realistic range for bridging loans sits somewhere between 0.65% and 1% per month on standard residential schemes, climbing towards 1.1% to 1.25% for heavier refurbishment, lower experience levels, or loan-to-values pushing past 70%. On a £500,000 loan, that difference between 0.65% and 1.1% a month works out to an extra £2,250 a month in interest, which over a nine-month build can be the difference between a healthy profit and a scheme that barely breaks even.
To put some further numbers on it, a first-time developer borrowing £350,000 at 1.1% per month over ten months is looking at rolled-up interest of roughly £38,500, before fees. An experienced developer with three or four completed schemes behind them, borrowing the same amount against the same property, might secure 0.75% per month, bringing that interest down to around £26,250. That's a gap of over £12,000 purely down to track record, with nothing else about the deal having changed.
Loan size itself also has a bearing on rate, though not always in the direction people expect. Very small loans, say under £150,000, sometimes attract slightly higher rates because the lender's fixed costs of underwriting and monitoring don't scale down proportionally. Larger loans, from £1 million upwards, can sometimes secure sharper pricing, but only from lenders with the balance sheet appetite to hold that size of exposure comfortably.
What this means for you is that the rate you're quoted at first enquiry is rarely the final figure. Lenders will move the number once they see the valuation, the planning status, and your experience as a developer. The honest view is that treating any advertised rate as gospel before underwriting has looked at the file is how a lot of cashflow projections go wrong. If you'd like help working out where your scheme sits, you can get a bridging loan quote before committing to a lender.
It also means the way you present a deal matters as much as the deal itself. A well-prepared application with a clear schedule of works, a realistic GDV and a credible exit strategy will often secure a materially better rate than the same scheme presented badly, simply because it removes perceived risk for the underwriter.
A point that catches a lot of first-time developers out is the assumption that shopping around themselves across five or six lender websites will reveal the best deal. In reality, many of the sharper rates in this market are never advertised at all, and are only released to brokers who bring a certain volume of business or who have an existing relationship with that lender's credit team. A borrower going direct can easily end up paying more for an identical risk profile, simply because they never saw the better offer in the first place.
Seasonality can play a role too, even if lenders rarely admit to it publicly. Towards the end of a lender's financial year, or when a particular fund has capital it needs to deploy, pricing can soften noticeably for a few weeks. A broker who is speaking to multiple lenders regularly will often know when this window is open, whereas a borrower approaching the market cold has no way of knowing that timing has shifted in their favour.
Base rate movements over the past few years have also reshaped how this market prices risk. When the Bank of England base rate was sitting close to zero, bridging rates of 0.4% to 0.5% a month were not unusual for the strongest deals. As base rate climbed, most lenders repriced upwards, and while the gap has narrowed again more recently as base rate has eased, pricing hasn't simply reversed back to where it was. Lenders have got used to earning more margin and are in no rush to give it back without a push from a broker who knows the market has moved.
It's also worth understanding that rate is only one lever a lender has, and sometimes not the one they move first. Faced with a marginal deal, many lenders would rather hold the rate steady and instead reduce the loan-to-value, request a bigger contingency, or ask for a personal guarantee from the directors of a limited company borrower. A broker negotiating on your behalf will often know which of these levers a particular lender prefers to pull, and can steer the conversation towards the outcome that suits you best, even if the headline rate doesn't move at all.
How it works
Bridging loans for development work by lending against the current value of the property, or in some cases against the gross development value once works are complete, released in stages as the build progresses. Interest is usually rolled up or retained rather than paid monthly, which keeps cashflow free during the build. For borrowers wanting a faster route to funds without development stages involved, our piece on fast bridging loans against property covers the simpler end of this market.
Most lenders offer light refurbishment bridging at up to 75% loan-to-value and heavy refurbishment or ground-up development at lower day-one loan-to-value but with an uplift against GDV, sometimes reaching 65% to 70% of the finished value. The facility is typically drawn down in tranches tied to build stages, verified by a monitoring surveyor who visits site before each release.
Term length for development bridging usually runs from six to eighteen months, with most schemes sitting around nine to twelve months to allow for build delays. The exit is almost always either a sale of the completed units or a refinance onto a term mortgage or buy to let product once the work is done and the property is lettable or saleable.
The distinction between retained and rolled-up interest is worth understanding properly, because it affects both your monthly cashflow and the total cost of the loan. Retained interest means the lender deducts the interest for the full term upfront from the gross loan, so you receive less on day one but don't need to find monthly payments during the build. Rolled-up interest compounds monthly and is added to the balance, which means the total repayable at the end can be slightly higher, but it preserves more of your working capital at the start when you need it most for materials and labour.
Serviced interest, where you pay the interest monthly from your own funds rather than it being deducted or rolled up, is less common on development deals because lenders know most developers don't have spare income during a build. Where it is offered, it usually comes with a slightly lower headline rate, because the lender isn't carrying the interest risk on its own balance sheet until exit.
Lenders rarely say this outright, but the monitoring surveyor relationship often matters more to the smoothness of a drawdown schedule than the headline rate. A lender with a responsive monitoring surveyor can release the next tranche within days of a site visit, while a slow process can leave a site standing idle waiting for funds, burning time that costs far more than a slightly higher rate ever would.
Fees typically include an arrangement fee of 1.5% to 2% of the loan, a valuation fee paid upfront, monitoring surveyor fees per visit, and sometimes an exit fee of 1% charged on redemption. These need to be built into your total cost of funds calculation, not treated as an afterthought once the rate has been agreed.
Broker fees sit on top of this, usually 1% to 2% of the loan amount, and should be factored into your figures from the outset rather than treated as a surprise at offer stage. A good broker will set this out clearly before you commit to anything, and will often more than earn that fee back through a better rate or a smoother drawdown process than you'd have secured going direct.
It's also worth building in a contingency line for cost overruns, because almost every development runs over budget to some degree. Lenders are generally aware of this and will sometimes build a small retained contingency into the facility, but where they don't, you need your own buffer, ideally 10% to 15% of build costs, sitting outside the loan itself so an unexpected issue on site doesn't stall the whole project waiting for additional funding to be arranged mid-build.
Valuation fees themselves vary quite widely depending on the size and complexity of the scheme, typically running from around £500 for a straightforward single property up to £2,000 or more for a multi-unit development requiring a red book valuation on both current value and projected GDV. Some lenders will allow this to be added to the loan rather than paid upfront, which helps cashflow at the start but adds a small amount to the overall balance accruing interest.
Legal fees are another area that catches borrowers out, because development bridging almost always requires both the lender's solicitor and the borrower's own solicitor to be paid, and the borrower typically covers both sides. On a straightforward scheme this might total £1,500 to £2,500, but on anything involving a new build, an overage clause, or a complex title, it can run considerably higher and take longer to complete, which in turn delays drawdown and pushes back the whole build timetable.
Early repayment also deserves a mention, because not every short-term property finance facility is structured the same way if you finish the build ahead of schedule. Some lenders charge interest for the full agreed term regardless of when you repay, effectively removing any benefit from finishing early, while others calculate interest daily so you only pay for the time the money was actually outstanding. This is a detail worth negotiating at offer stage rather than discovering after the build is finished, particularly on schemes where there's a realistic chance of an early sale.
Typical scenarios
The scenario below is illustrative, a composite example reflecting the shape of deals of this kind, not a specific, identifiable transaction. Consider a landlord in Rotherham who owns a tired three-bed terrace generating low rental income and wants to convert it into two self-contained flats to improve both yield and the property's EPC rating ahead of looming minimum energy efficiency standards. Similar conversion schemes are just as common for landlords in Rotherham and York, where older terraced stock makes up a large share of the private rental market.
The property is currently valued at £140,000 and the landlord needs £95,000 to cover the purchase of a neighbouring plot of land plus conversion costs, giving a day-one loan-to-value of around 68%. The projected GDV once both flats are complete and let is £260,000. A bridging lender agrees a facility at 0.85% per month over a twelve-month term, released in three tranches tied to build stages, with the exit being a refinance onto a buy to let mortgage once both units are tenanted.
Completion on the initial facility takes around five weeks from first enquiry to funds, reflecting valuation, legal work and monitoring surveyor sign-off on the schedule of works. Total rolled-up interest across the twelve months comes to just over £9,700, plus a 2% arrangement fee of £1,900. Against a projected uplift in value of £120,000, the finance cost is comfortably absorbed, but it only works because the exit refinance was stress-tested before the bridging loan was drawn down, not left as an assumption.
A second, slightly different composite example illustrates how experience level changes pricing on a similar scheme. A developer in Leeds with four completed conversions behind them takes on a near-identical project, converting a semi-detached property into two flats, borrowing £110,000 against a current value of £165,000, a loan-to-value of 67%. Because of their track record, they secure a rate of 0.7% per month rather than 0.85%, saving roughly £1,980 in interest over the same twelve month term compared to the Rotherham scenario, purely as a function of experience rather than deal quality.
A third composite scenario shows how things can go differently when the exit isn't properly stress-tested in advance. A first-time developer in Doncaster borrows £180,000 at 0.95% per month to convert a property into three flats, planning to refinance onto a buy to let mortgage on completion. Partway through the build, two of the three flats come in slightly smaller than originally planned due to a structural issue discovered on site, and the refinance lender's valuer values the completed scheme £25,000 below the original GDV projection. The developer ends up needing a short extension on the bridging facility at an increased rate while a second refinance lender is found, adding an extra £3,400 in costs that a more conservative original GDV estimate would likely have avoided.
A fourth composite scenario is worth including because it shows how a larger scheme behaves differently from the smaller conversions above. A developer in Manchester with six completed schemes takes on a ground-up build of five townhouses, borrowing £1.2 million against a site already owned outright, with a projected GDV of £2.1 million. Because of the loan size and the developer's experience tier, they secure a rate of 0.65% per month, released across five tranches tied to foundation, first fix, second fix, and practical completion stages. Total rolled-up interest across a fourteen-month term comes to just over £109,000, plus a 1.75% arrangement fee of £21,000, and the exit is a phased sale of the five units rather than a single refinance, with the first two sales used to partially redeem the facility and reduce ongoing interest on the remaining balance.
What lenders look for
Lenders assess development bridging applications primarily on exit certainty, borrower experience and the robustness of the build cost schedule, more than on the headline rate the borrower is chasing. A clean exit with a realistic valuation will usually get you a better rate than a marginal scheme at a lower initial price.
Loan-to-value on day-one typically ranges from 60% to 75% depending on property type and location, with lenders in London and the South East sometimes stretching higher due to stronger liquidity, and lenders in smaller regional towns being more conservative. For heavier development, lenders commonly cap at 65% of GDV rather than day-one value, which catches out borrowers who haven't modelled their numbers against the right benchmark.
Timescales from enquiry to funds generally run three to six weeks for a straightforward refurbishment bridge, and can stretch to eight weeks or more for larger ground-up schemes requiring planning due diligence, build cost appraisals and a monitoring surveyor appointment. Anyone telling you funds can land in 48 hours on a development deal is usually talking about a very small, very clean bridging loan, not a typical refurbishment project. If speed and simplicity matter more than a staged development structure, our guide on using a bridging loan to release equity quickly is worth reading alongside this one.
Acceptable security is almost always a first legal charge over the property, sometimes alongside a debenture if the borrowing vehicle is a limited company. Lenders will want to see the planning permission or permitted development rights confirmed in writing, a detailed schedule of works with contractor quotes, proof of funds for any shortfall, and a credible exit route, whether that's a pre-agreed sale, comparable evidence supporting the projected GDV, or a mortgage in principle for the refinance.
Borrower experience is usually assessed in tiers, with lenders typically distinguishing between first-time developers, those with one to three completed schemes, and those with four or more. Each tier tends to come with its own pricing band and maximum loan-to-value, and moving up a tier, even by completing just one more project, can open the door to noticeably better terms on the next deal. This is one reason experienced brokers often encourage clients to take on a smaller, more conservative first scheme rather than overreaching, purely to build the track record that unlocks better pricing later.
The quality of the schedule of works also matters more than most first-time developers expect. Lenders want to see costs broken down stage by stage, ideally with contractor quotes attached rather than a single rough total, because a vague budget is one of the clearest signals to an underwriter that the project hasn't been properly planned. A schedule that shows a 10% to 15% contingency built in as standard also tends to be viewed more favourably than one that assumes everything will go exactly to plan.
Location and borrower profile factors
Location plays a quieter but real role in how lenders assess a deal too. Properties in areas with strong comparable sales evidence and consistent demand are easier for a lender's valuer to support at the projected GDV, while properties in thinner markets with fewer recent transactions can see more conservative valuations applied, which in turn affects the loan-to-value the lender is willing to offer against the finished scheme.
The most common reason applications like this get declined isn't poor credit, it's an unrealistic GDV unsupported by comparable sales, or an exit plan that assumes a refinance lender will accept the property without first confirming that in principle. Getting an agreement in principle from a term lender before drawing down the bridge, even an informal one, removes a huge amount of risk from the whole structure and is one of the simplest things a broker can arrange early in the process.
It's also worth being aware that lenders look differently at borrowing through a limited company compared to borrowing personally, even where the security and loan amount are identical. Special purpose vehicles are now the norm for development finance because of the tax treatment, but lenders will usually still want personal guarantees from the directors, along with an asset and liability statement showing you have some personal financial substance behind the company. A thin company with no trading history and directors unwilling to give a personal guarantee is a much harder sell, regardless of how good the deal itself looks on paper.
Credit history matters less than most first-time applicants assume, provided any adverse history is explained and isn't recent or severe. A County Court Judgment from several years ago that's been satisfied rarely stops a deal progressing, but an unexplained gap in a borrower's trading history, or a previous development that stalled or went into administration, will usually prompt deeper questions from underwriting before terms are confirmed.
Finally, it's worth remembering that lenders are also assessing how easy you are to work with, not just the numbers on the application form. A borrower who responds quickly to information requests, provides a clean set of accounts and contractor quotes upfront, and doesn't disappear for two weeks mid-underwriting tends to get prioritised over one who is slow and disorganised, even where both deals are objectively similar. Underwriters are human, and a file that's easy to progress often moves faster and with fewer last-minute conditions attached.
