JV Development Finance: 100% of costs for a share of the profit
Joint-venture funding: an equity partner funds what your deposit would have, in exchange for a profit share. Who it suits, what partners look for, and what it really costs.
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Joint venture development finance replaces your cash with a partner's, in exchange for a share of the profit. It is usually marketed as 100% funding, and that phrase is accurate as far as it goes. What it leaves out is what the share costs, and on a profitable scheme the share is almost always worth more than the cash it replaced.
That is not an argument against joint ventures. It is an argument for doing the arithmetic, because a JV is a genuinely good deal in a specific set of circumstances and a genuinely poor one outside them. This page sets out how the splits actually work, what you keep under each route, and the single test that tells you whether a JV is the right answer for you.
What "100% funding" actually covers
The first question, and the answers vary more than the marketing suggests.
The common structure is that the partner funds the equity, not the whole scheme. Senior debt still does the heavy lifting at 70% to 90% of cost, and the JV partner provides the slice you would otherwise have had to find. On an £1,100,000 scheme with a £990,000 senior facility, the partner is putting in £110,000, not £1,100,000. This is by far the most common shape and it is what most "100% funding" offers mean.
Less commonly, the partner funds everything, with no senior debt at all. This is rarer, more expensive in profit share terms for reasons set out below, and generally seen on smaller schemes or where the partner has cheap capital.
What is usually included: the land or site purchase, the build cost, professional fees, and the finance costs of the senior facility.
What is often not:
- Your own costs. A JV partner funds the scheme, not you. If you need to live for 18 months, that is your problem, and a surprising number of first time JV developers do not plan for it
- Abortive costs on schemes that do not proceed, which usually fall on you
- Cost overruns beyond the contingency, which the JV agreement will allocate specifically. Read that clause before anything else
- Your professional fees for the JV itself, including your own solicitor on the JV agreement, which is not a cheap document
And the drawdown gap catches people even in a JV. If the scheme uses senior debt, the build money is still released in arrears against certified work, so somebody has to pay the contractor before the lender reimburses. In most JV structures the partner funds that working capital, but not all of them do, and a JV agreement that is silent on it leaves it with you. On a scheme drawing £60,000 a month with a three week reimbursement cycle, that is £60,000 you were told you did not need. Ask explicitly who funds the gap between paying and being paid. Our page on staged drawdowns covers how that cycle works.
How the profit split actually works
Two structures, and most developers only understand the first.
A straight percentage
The simplest. Profit after all costs and finance is split at an agreed ratio. Fifty fifty is common, with the range running from roughly 60/40 in the developer's favour on a strong scheme with an experienced developer, to 30/70 against on a first scheme where the partner is carrying the risk and the track record.
Easy to understand, easy to model, and the one developers assume they are being offered.
A preferred return, then a split above a hurdle
More common than developers expect, particularly from institutional and family office partners.
The partner takes a preferred return on their money first, typically 10% to 15% a year, before any profit is split. Only the remainder goes into the agreed ratio. Some structures add a second hurdle, where the split changes again above a target return.
A preferred return is not a fee. It is a priority claim on the profit. And the critical detail is what it is calculated on.
Where the partner funds only the equity, the preferred return is a modest number. On £110,000 at 12% a year over 18 months it is £19,800, which costs you half of that against a straight split.
Where the partner funds the whole scheme, the preferred return is calculated on the whole scheme. On £1,100,000 at 12% a year over 18 months that is £198,000 off the top before anything is split. That single difference is why "the partner funds everything" sounds better and usually pays worse.
Watch three things in a preferred return structure:
Whether it compounds. A preferred return that rolls up and compounds on a scheme that overruns grows fast.
Whether it is cumulative. If the scheme underperforms and the preferred return is not fully paid, does the shortfall carry forward against your share?
What happens on a delay. The preferred return keeps accruing. A six month overrun on a £1.1m contribution at 12% costs £66,000, and it comes out of your half, not theirs.
The comparison, worked
Same scheme as our senior debt and mezzanine pages. Total cost £1,100,000, gross development value £1,600,000, 18 months, £500,000 of gross profit before finance.
Route 1: debt. A specialist facility at 90% of cost.
| Your cash in | £110,000 |
| Finance cost | £128,365 |
| You keep | £371,635 |
| Return on your own cash | 338% over 18 months, 225% a year |
Route 2: JV. Partner funds the equity, senior debt still used, straight 50/50.
| Your cash in | £0 |
| You keep | £185,818 |
That is 50% of what the debt route keeps, which is exactly what a 50/50 split means once you see it in pounds.
Route 3: JV with a 12% preferred return, then 50/50.
| Preferred return to the partner | £19,800 |
| Remaining profit split | £351,835 |
| You keep | £175,918 |
The preferred return costs you £9,900 against a straight split. Half of it, as you would expect.
Route 4: JV where the partner funds everything, 12% preferred return, then 50/50.
| Preferred return on the full £1,100,000 | £198,000 |
| Remaining profit | £302,000 |
| You keep | £151,000 |
Note what happened there. Removing the senior debt removed £128,365 of finance cost, which should have helped you. But the preferred return on the partner's much larger contribution took £198,000, and you ended up £34,818 worse off than the straightforward JV with debt in it. More funding from the partner is not better funding.
The test that actually decides it
Debt keeps you £371,635 and costs you £110,000 of your own money. A JV keeps you £185,818 and costs you nothing.
So the question is not which is bigger. It is what else that £110,000 could be doing.
| You keep | |
|---|---|
| One debt-funded scheme | £371,635 |
| One JV scheme | £185,818 |
| Two JV schemes at once | £371,635 |
| Three JV schemes at once | £557,452 |
A JV matches debt at exactly two schemes and beats it at three. If your partner will back you on two at once, you equal the debt route with none of your own cash at risk. At three, you are substantially ahead.
If you can only run one scheme at a time, debt wins decisively, assuming you have the cash. A 225% annual return on your own money is not something a profit share can compete with.
"The right question to put to a JV partner is not what split they want. It is how many schemes they will fund at once, because that is what decides whether the arrangement is worth entering at all."
What the partner wants
A minimum profit, measured properly. Most JV partners want 20% to 25% on cost or 15% to 20% on gross development value, after all finance costs. This is a stiffer test than a senior lender applies, because the partner is in the equity position and gets paid last.
A minimum scheme size. JV partners do more work per deal than a lender does, so small schemes rarely justify the effort. Expect a floor somewhere around £1m of GDV, with many partners starting considerably higher.
Experience, and more of it than a lender wants. A JV partner is backing you personally, not just the scheme. Two or more completed schemes of comparable type is a common minimum, and your track record is being bought as much as your site.
Security as well as equity, usually. Most JV partners take a charge over the property or a debenture over the SPV in addition to their shareholding, often behind the senior lender. The equity gives them the upside; the security gives them a fallback. It also means that if the scheme fails they rank as a creditor rather than queuing behind creditors as a pure shareholder would.
Control during the build. Covered below, and it is the part developers negotiate least and regret most.
A say in the senior debt. Where senior debt is used, the partner will usually want to approve the facility, because its terms determine their risk.
Personal guarantees, frequently. The phrase "no personal risk" appears in a lot of JV marketing. Read the agreement, because a partner taking a charge and a guarantee has transferred considerably less risk than the headline suggests.
Control and the exit
This is where JV relationships succeed or fail, and it is almost entirely a drafting question.
Who signs off variations. Most agreements set a threshold: you manage the build, but variations above a stated value or percentage need the partner's approval. A threshold set too low means every change waits for a meeting. Negotiate it against the realistic pattern of a build, not against a round number.
Who decides the sale price. The most common source of disagreement. A partner wanting to recycle capital quickly will accept a lower price than a developer wanting to maximise profit, and both positions are rational. Good agreements set a minimum release price per unit and give the developer discretion above it, with a mechanism, often an independent agent's valuation, if the parties disagree.
What happens on deadlock. Every JV agreement needs a deadlock provision and most developers never read it. The common mechanisms:
- An independent expert decides the disputed point
- Russian roulette, where one party names a price and the other chooses whether to buy or sell at it
- Texas shoot out, where both submit sealed bids and the higher buys
- A casting vote to one party on defined matters
Each of these favours whoever has more cash, which in a JV is usually the partner. Know which one you are signing.
Drag along and tag along rights, governing whether one party can force a sale of the whole scheme or join one.
What happens if you want out early. Most agreements restrict transferring your shares and give the partner pre-emption rights. There is frequently no easy exit, and that is the practical difference between a JV and a loan: you can repay a loan, but you cannot repay a partner.
What happens if the partner wants out. Less common and worth providing for. If their circumstances change mid build, who funds the rest?
What happens if you fail to perform. Most JV agreements contain developer default provisions allowing the partner to step in, take over the scheme, and dilute or remove your profit share. Read what triggers them, because a programme slip caused by a contractor can satisfy a badly drafted clause.
The structure, and why it changes your tax
Three common forms, and they are not equivalent to you.
Shares in an SPV. You and the partner each hold shares in the development company in agreed proportions, governed by a shareholders' agreement. Profit comes out as dividends after the company has paid corporation tax.
A JV agreement without shared ownership. You own the SPV and the partner has contractual rights to a share of the profit, usually secured by a charge and a debenture. Their share is a contractual payment rather than a dividend.
A loan with a profit share. The partner lends the money and takes a share of profit as additional interest. Structurally this is debt, not equity, however it is marketed.
The tax difference, in outline
We are mortgage brokers, not accountants, and none of this is tax advice. It depends entirely on your own circumstances and you should put it to your accountant. It is worth raising only because developers routinely compare two JV offers without noticing they are taxed differently.
Interest is deductible for the company. Dividends are not. A profit share paid as interest reduces the SPV's taxable profit. A profit share paid as a dividend comes out of profit that has already borne corporation tax, and is then taxed again in the recipient's hands.
Corporation tax rates make this material. For 2026/27 the small profits rate is 19% on profits up to £50,000, the main rate is 25% above £250,000, and profits between those figures bear an effective marginal rate of 26.5%. A development scheme making £370,000 sits above the band entirely, at the main rate.
Associated companies reduce those thresholds, and this is the JV-specific trap. The £50,000 and £250,000 limits are divided by the number of associated companies plus one, so a single associated company halves them to £25,000 and £125,000. If your JV partner controls a number of other SPVs and the association rules catch your scheme, the thresholds can fall sharply and push your company into a higher effective rate on profits that would otherwise have been taxed at 19%. The rules turn on control and are not straightforward on a genuine 50/50 venture. Ask your accountant about associated companies before you sign, not after, because the structure can often be arranged differently if it is addressed early.
How you extract your share matters too, whether as dividend, salary or a combination, and it interacts with everything else in your own tax position.
The practical point: two JV offers with the same headline split can produce materially different money in your hand. Model them after tax, not before.
When a JV genuinely beats debt
When you have no cash. The obvious one and the honest one. 50% of a profit is infinitely better than 100% of a scheme you cannot start. If the choice is a JV or nothing, take the JV.
When you can run more schemes than your cash allows. The strongest financial argument, and the arithmetic above gives the threshold: two simultaneous schemes and the JV matches the debt route, three and it wins clearly.
When the scheme is bigger than your balance sheet. A developer with £110,000 cannot fund the equity on a £5m scheme however good it is. A partner can, and a share of a large profit beats all of a small one.
When you need the partner's track record to get the senior debt done. Genuinely important and often the real reason. Senior lenders price and size against experience, and a partner with a completed portfolio can unlock leverage and pricing you could not get alone. The profit share is buying the funding, not just the cash.
When the partner brings something other than money. Land access, planning expertise, a contractor relationship, a sales channel. If the partner is doing work, the split is paying for work as well as capital.
When you want to cap your downside. In a well structured JV the partner carries the equity risk. If the scheme loses money, you lose your time rather than your savings. That has real value, though check the guarantees before relying on it.
When it does not
When you have the cash and one scheme to do. Debt wins by a wide margin. On the worked example, by £185,817.
When the margin is thin. A JV partner wanting 20% to 25% on cost will decline, and if a partner accepts a thin scheme, ask yourself why.
When you would be giving away a share to avoid a stretched senior facility. Compare the actual numbers. Stretched senior at 90% of cost costs a few points more than a bank. A profit share costs half the profit.
When the agreement gives away control you need. A low variation threshold or a partner-controlled sale decision can cost more than the profit share, because it changes what the scheme ends up being.
Your questions
Is JV development finance really 100% funding?
Usually it means the partner funds the equity while senior debt funds the rest. Occasionally it means the partner funds everything. Either way it rarely covers your own living costs, abortive costs on schemes that do not proceed, or your own professional fees, and it may not cover the working capital you need between paying contractors and being reimbursed.
What profit split should I expect on a JV?
Fifty fifty is common. The range runs from around 60/40 in your favour on a strong scheme with a strong track record, to 30/70 against on a first scheme. The split alone does not tell you the cost, because a preferred return sits above it.
What is a preferred return?
A priority claim the partner takes on profit before any split, typically 10% to 15% a year on their contribution. The critical question is what it is calculated on. On the equity alone it is modest. On a full funding contribution it can take £198,000 off a £500,000 profit before anything is shared.
Does a JV cost more than debt?
On a profitable scheme, almost always. On the worked example a 50/50 JV keeps you £185,818 against £371,635 on a debt route. What the JV buys is the removal of your cash requirement, which is only worth it if that cash can earn its keep elsewhere.
When does a JV actually win?
When you have no cash, when the scheme exceeds your balance sheet, when you need the partner's track record to secure senior debt, or when you can run two or more schemes at once. Two simultaneous schemes is the point at which a 50/50 JV matches a single debt-funded scheme.
Will the partner take security as well as shares?
Usually yes, commonly a charge over the property or a debenture over the SPV, behind the senior lender. Personal guarantees are also common despite the marketing.
Who controls the build in a JV?
Normally you, with the partner approving variations above a threshold and usually having a say on the sale price. Both thresholds are negotiable and both matter more than developers expect.
What happens if we fall out?
The deadlock provision in the JV agreement decides it, and the common mechanisms all favour the party with more cash. Read it before signing, and get your own solicitor rather than relying on the partner's.
How do I get out of a JV early?
Usually you cannot, easily. Share transfers are normally restricted and the partner will have pre-emption rights. Unlike a loan, a JV cannot simply be repaid.
Is a JV taxed the same as a loan?
No. Interest is deductible for the company and a dividend is not, so the same headline split can produce different amounts in your hand. Associated company rules can also reduce the corporation tax thresholds on a JV structure. We are not accountants, so take advice on the structure before you sign it.
Is a JV better than mezzanine finance?
They solve the same problem differently. Mezzanine costs interest and leaves your profit intact; a JV costs profit and leaves your cash intact. On a scheme making £500,000, a 50/50 split costs around £185,000 while a mezzanine slice costs a fraction of that, so mezzanine usually wins on cost where the margin can carry it.
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