Off-Plan Investments UK

We specialise in sourcing and securing high-quality off-plan investment opportunities across the UK, helping investors build resilient, income-generating property portfolios.

What is off-plan property?

Buying off-plan means committing to a property before construction is complete. Decisions are made using architectural plans, CGIs, specifications and development schedules rather than a finished home.

Developers typically release properties at an early stage to secure funding and momentum. This often results in more favourable pricing and flexible payment structures for early buyers. The process usually follows these stages:

  • Pre-launch and early release: Selected buyers/agents gain access to the strongest units within a development.
  • Exchange of contracts: A deposit is paid, typically 10–20% of the purchase price.
  • Construction period: The build progresses over 12–36 months, with staged payments depending on the scheme.
  • Completion: Final funds are paid or the mortgage commences, and the property is handed over.

Compared with buying a completed property, off-plan purchases often provide access to modern homes in high-demand locations. These properties typically benefit from lower maintenance costs and new-build warranties, making them well suited to long-term rental investment.

Find an off-plan property aligned with your goals

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Why do smart investors buy off-plan in the UK?

The UK remains a popular spot for both domestic and international investors. With a stable market that has seen growth for several decades, limited housing supply and consistent tenant demand, it remains a significant force in the worldwide property market.

Price certainty with potential for early capital growth
Securing a property at reservation allows investors to fix today’s price. In stable or rising markets, values may increase during the construction period, supporting capital appreciation before completion.

Strong rental yields
Most off-plan purchases are intended for the rental market. Modern homes in well-connected locations tend to attract reliable tenant demand and competitive yields. Where required, our in-house rental management service, The Home Cloud, can support clients from handover onwards.

Early-stage pricing and unit selection
Developers frequently offer competitive pricing or incentives at launch to accelerate sales. Early access also allows investors to select preferred layouts, views and positions within a scheme.

Sustained demand in UK cities
London continues to perform as a global rental market, while cities such as Bath, Manchester and Bristol show consistent demand driven by employment hubs, lifestyle appeal and constrained new supply.

Opportunity for growth during the build period
With build periods typically spanning 12–36 months, investors are able to lock in todays price and benefit from market growth over the build period.

Flexible financing options
Many UK developers offer staged payments that are linked to construction milestones. This structure reduces the amount of capital tied up at the outset and allows investors to plan financing more efficiently.

Lower running costs and full warranties
New-build properties in the UK must meet high standards for design, insulation, and energy efficiency. They are typically covered by 10-year structural warranties, helping reduce maintenance costs and appeal to renters and resale buyers.

No onward chain
Off-plan purchases follow a clearly defined process from reservation to completion, avoiding the complexity of property chains.

Some of our current off-plan developments

The Halo, Oval Village, London

Truly unique, luxury apartments in London Zone 1, overlooking the iconic Kia Oval cricket ground

Available now, completing Q2 2028
From £715,000

Discover The Halo

One Waterside, Bath

An eight-acre riverside regeneration set along the River Avon in Bath

Available now, completing Q3 2027
From £335,000

Discover One Waterside

Explore other exciting new developments

We work across the UK and UAE and can identify alternatives aligned with your objectives.

Speak to our team

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Tell us about your investment goals and we can source you the perfect off-plan property

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Tom Jewell, Founder of Source Investments

Tom Jewell

Founder

Ollie Smith, Managing Director at Source Investments

Ollie Smith

Managing Director

55%

of London apartments

Were purchased off-plan in 2024

North West

Surpassed London

As the most popular UK location for buying off-plan

2.6%

Average Growth

of UK property prices, Sep 2025

How to buy off-plan property in the UK

Define your objectives. We discuss your goals, risk profile and time horizon to identify appropriate opportunities.

Reserve and exchange. Secure your chosen unit with a reservation fee and proceed to legal exchange.

Construction period. Receive progress updates from the developer throughout the build.

Arrange financing. Mortgage arrangements are typically finalised around six months before completion.

Completion and letting. Following handover, our team can furnish and let your property to generate immediate income.

What are the pros and cons of investing off-plan in the UK?

Key reasons why people choose to buy off-plan

High rental demand in major UK cities
We focus on locations with strong employment bases, regeneration investment and limited housing supply - factors that support long-term rental demand.

Early pricing and capital growth potential
Purchasing at today’s price for a future-dated asset can allow investors to benefit from market appreciation during construction.

Priority access to the strongest units
Early buyers are able to secure units with superior layouts, views and amenities, all of which supports rental demand and resale value.

Flexible payment structures
Staged payments reduce initial capital requirements and support cash-flow planning.

Modern, efficient housing
New-build properties benefit from higher energy efficiency standards, lower running costs and long-term warranties.

Challenges to consider

Income is not immediate
Returns are realised on completion rather than immediately, making off-plan investing more suited to medium-to-long-term strategies.

Developer stability
There is a risk that a developer may face financial or operational challenges during construction. We mitigate this by working exclusively with established, tier 1 developers with proven delivery records.

Construction delays
Completion dates are indicative and may shift. We maintain close communication with developers and keep clients informed throughout.

Market fluctuations
Property values can fluctuate during the build period. Our focus on supply-constrained locations with strong demand helps reduce this risk.

Specification or design changes
Minor variations can occur as projects evolve. We monitor developments closely and work with developers to ensure outcomes remain aligned with expectations.

Join 5,000 investors who partner with Source Investments to buy off-plan property with confidence

★★★★★

They have an excellent understanding of their market and were very forthcoming with answers to questions I had as a new investor.

R. Iyer-Marchand

★★★★★

Their knowledge and expertise sourcing properties is second to none.

A. Arora

★★★★★

Source’s under-promise and over-deliver mentality was a breath of fresh air when speaking to other investment companies to help me grow my portfolio.

G. Strang

Why choose Source Investments for buying off-plan in the UK?

Specialist expertise

Off-plan property forms a core part of our investment strategy due to its historical performance and suitability for both first-time and experienced investors.

End-to-end support

From finding the perfect properties through to letting and management, we support you at every stage of your investment journey.

Our network of trusted contacts

We only work with established, financially robust developers to give our clients peace of mind. Our network of contacts covers everything you'll need, from legal advice, to fixtures and fittings.

Supporting global investors

We regularly help overseas investors navigate the UK finance, tax, and property landscape.

Frequently asked questions about buying off-plan in the UK

Is off-plan property a good investment in 2026?

Buying off-plan remains a good way to grow your income. With strong rental growth and limited housing supply, investors are still securing excellent returns with off-plan purchases.

How much deposit do I need?

Typically 10–20%, depending on the development.

Can I get a mortgage on an off-plan property?

Yes. Most lenders offer off-plan mortgages closer to completion. We can help you secure this, especially if you require specialist financing.

Can I sell before completion?

In many developments, yes - this is known as 'assignments'. Terms may vary, so speak with us if this is something you're considering on a current or future investment.

When is Stamp Duty paid?

Stamp Duty Land Tax is payable on completion.

Can I rent out an off-plan property?

Yes, in fact most off-plan purchases are made for future rental. We can manage this process for you, through The Home Cloud.

How long does the process take?

Reservation to completion can be 12–36 months depending on the build, but this can vary depending on how early you make your purchase.

What guarantees come with new builds?

Most new builds include a 10-year structural warranty plus a defect period, but this varies from development to development.

What returns can I expect?

Yields vary by location and asset type. Typical ranges are provided on a per-development basis.

How do I find off-plan properties?

Working with a specialist such as Source Investments provides access to curated developments and early releases.

Do completion dates tend to be accurate?

Developers provide indicative timelines; we update you consistently, however with matters outside of developer control, these can slip.

Do I pay service charge or ground rent?

Service charges apply; many new builds have peppercorn or zero ground rent but this can vary. We'll make your fees clear from the outset.

How does financing an off-plan purchase work?

Off-plan purchases are typically structured with staged payments, meaning less capital is required upfront compared with buying a completed property. At Source, we work with a trusted network of mortgage brokers, solicitors and advisers experienced in supporting both UK and overseas buyers.

We can support you with:

  • Deposits: Usually 10–20% on exchange of contracts, with further staged payments depending on the development.
  • Mortgages: Off-plan mortgages are commonly arranged nearer to completion rather than at reservation.
  • Specialist finance: Where required, we can introduce options such as bridging or alternative finance through specialist brokers.
  • Stamp Duty Land Tax: SDLT is payable on completion, not at reservation or exchange.

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