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Key Highlights
UK
- You can get a mortgage on off-plan property, but lenders issue formal offers only close to completion due to offer expiry limits.
- Buyers must fund early-stage payments themselves, with the mortgage covering only the final completion balance.
- Off-plan mortgages carry valuation risks at completion, making expert brokers and experienced developers crucial.
Buying off-plan property in the UK offers investors the chance to secure a brand-new asset at today’s price, often with significant potential for capital growth before completion. But a key question always arises: Can you get a mortgage on off-plan property?
The short answer is yes, you absolutely can, but the process differs significantly from purchasing an existing home. At North Property Group, we specialise in guiding investors through this unique financial landscape.
Timing is Everything: When the Offer Kicks In
Securing the finance for an off-plan purchase is an exercise in timing and foresight, largely due to the fact that completion dates can move during off-plan construction.
Offer Closer to Completion: Most lenders will not issue a formal mortgage offer until much closer to the expected completion date—typically six months before the property is due to be ready. This is because standard mortgage offers usually have an expiration date of six months. If the build is delayed, a mortgage offer made too early could expire, forcing you to reapply.
Increase in Mortgage Approval Rate: The good news is that the mortgage market remains robust, with consistently high numbers of approvals for home purchases. While off-plan properties can present lenders with a slightly different risk profile, securing a mortgage is very achievable, especially when using the right broker.
What is the Property Completion Date?
For off-plan investments, the completion date is the final, pivotal moment of the purchase.
| What is Completion Day? | The date on which the legal transfer of property ownership occurs. |
| What happens on Completion Day? | The buyer’s solicitor transfers the final purchase money (including the mortgage funds) to the seller’s solicitor, and the keys are released to the buyer. |
| Why is the date uncertain for off-plan? | The date cannot be fixed until construction is fully finished, and all sign-offs are in place. |
| How much notice do I get? | Developers typically give notice of the formal completion date, often between 7 and 14 days after the property is deemed ready. |
Understanding the Financial Requirements
Your ability to secure a mortgage will be assessed based on standard lending criteria, but with a few off-plan nuances:
1. Income and Affordability
Lenders will assess your affordability using a loan-to-income (LTI) ratio (typically capping it at around 4-4.5 times your annual income) and will rigorously check your monthly outgoings and debt.
- Evidence of Income: You will need to provide the usual proofs, such as recent payslips, bank statements, and tax returns if self-employed, to demonstrate that you can comfortably manage the mortgage payments when they begin.
2. Staged Payments During Construction
The financial commitment for an off-plan property is usually broken down into stages:
- Reservation Fee: A small initial payment to reserve the unit.
- Exchange Deposit: A larger payment (e.g., 10-20% of the purchase price) paid upon the exchange of contracts.
- Staged Payments (Optional): Some contracts require further instalments as the building progresses.
- Completion Payment: The remaining balance, usually funded by your mortgage, is paid on legal completion.
Crucially: The mortgage only covers the final, large completion payment. You must ensure you have the cash funds available to cover all initial deposits and staged payments required by the developer throughout the construction phase.
The Importance of Pre-Approval and Planning
Before you commit to a reservation fee or a full deposit, you must be confident in your ability to secure the necessary finance later on.
- Mortgage Pre-Approval (or Agreement in Principle – AIP): Although you cannot get a formal offer until much later, securing a pre-approval or AIP from a reputable lender is a vital first step. This gives you a clear indication of how much they are likely to lend you, providing peace of mind and demonstrating to the developer that you are a serious buyer.
The Completion Challenge: Lenders May Revalue the Property
This is perhaps the biggest risk factor for off-plan investors. The mortgage you apply for will be based on the agreed purchase price. However, at completion, the lender will perform a final valuation to ensure the property is a suitable security for the loan.
- The Down Valuation Risk: If the market shifts or the lender’s surveyor assesses the finished value to be less than the agreed purchase price (a ‘down valuation’), your Loan-to-Value (LTV) ratio will be affected, and the lender may reduce the amount they are willing to lend.
Example: You agree to buy for £200,000 with a 25% deposit (£50,000). You need a £150,000 mortgage. If the property is revalued at £180,000, the lender may only offer 75% of the new value, which is £135,000. You would then be required to find an extra £15,000 in cash to cover the shortfall.
Working with a developer and an investment company with a proven track record (like NPG) in strong growth areas helps mitigate this risk, as does frequent communication with your investment team. At NPG, we ensure an open dialogue at all times, with construction updates keeping you in the loop. What’s more, following a careful process of due diligence, we pick only the best developments, that we’re confident will be completed on value and on time.
Our Recommendation: Work with Off-Plan Experts
The complexity of off-plan financing—especially the need to align mortgage offer validity with an uncertain completion date—makes it essential to work with professionals.
At North Property Group, we work closely with:
- Specialist Off-Plan Mortgage Brokers: These brokers have established relationships with lenders who understand the unique aspects of off-plan new builds. They can pinpoint the most flexible products and lenders who are more willing to grant extensions if construction is delayed.
- Lenders familiar with the Development: For our large-scale projects, we often work with specific lenders who have already valued the development, streamlining the process for our investors.
Ready to secure your future in property investment? Talk to our team today.
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From £78,000
Yield: 7.8%
In Construction
Est. Q3 2026
Lease Length: 250 Years





