Buying process

Mortgage or cash:
the process changes more than the price.

How you fund a purchase decides who else joins the transaction, how much paperwork exists, and which parts of the timetable you no longer control. That last one is what catches people, because the reservation window does not get longer to accommodate a lender.

A fan of British pound banknotes on a dark background
British pound notes. Photo: Anthony, Unsplash (Unsplash License).

Short answer

How you fund a purchase changes the process more than the price. Borrowing adds a mortgage adviser, a lender and more paperwork, and the government’s home-buying guide lists the lender’s confirmed offer among the things to have before you exchange.

Which route suits you depends on your own finances and tax position, a question for a regulated adviser rather than for us.

Side by side

What actually differs
once you decide.

This is a process comparison, not a recommendation. Which route suits you depends on your own finances and tax position, and that is a question for a regulated adviser rather than for us or for this page.

Route oneCash
Route twoMortgage
Who else is involved
You, your solicitor and the developer.
Add a mortgage adviser and a lender, each with their own process, questions and timetable.
Extra paperwork
None beyond identity and source-of-funds evidence, which you need either way.
An application, income and asset evidence, a lender valuation, and the lender’s own checks on you and on your deposit, including where any gift came from.
What has to happen before exchange
Your solicitor’s work, and the funds available.
The same, plus your lender’s confirmed offer: the government’s home-buying guide lists it among the things to have before you exchange, because exchange commits you to completing.

A decision in principle is not an offer and does not commit anyone.
The main timing risk
Your own document gathering, which you control.
The lender’s timetable, which nobody in the transaction controls.
Off-plan complication
Cash removes mortgage-offer expiry risk, but construction delays, currency movements and contractual risks still matter.
Offers are issued with a validity period, so a completion far in the future can mean re-applying nearer the time, on whatever terms apply then.
If it falls through before exchange
You cancel under the reservation agreement’s terms.
The same, but a declined application late in the window is the common way a reservation runs out of time.
Buying through a company
Corporate identity, ownership and authority documents may be required; ask your solicitor for the full list.
A different lending market with its own criteria, and usually a smaller field of lenders than a personal purchase.
Sequencing

Five things that are easier
done early than explained late.

None of this is advice about borrowing. It is about the order in which things happen, which is the part that quietly decides whether a purchase completes on schedule.

Talk to a broker before you reserve, not afterThis is the single change that removes most of the risk. Reservation starts a fixed window; a mortgage application started inside that window is racing a clock that was already running.
Get a decision in principle early, and know its limitsIt tells you roughly what is available and it is not a commitment. Treat it as a filter for your budget, not as funding secured.
Expect the lender to ask about your deposit, not just your incomeWhere the deposit came from matters to the lender as well as to your solicitor, and a gifted deposit usually requires evidence from the person who gave it.
Assume the valuation is a separate event with its own delayIt is instructed by the lender, not by you, and its result can change the offer. Build time for it rather than discovering it.
For an off-plan purchase, ask when the offer would need to be liveIf completion is well beyond a typical offer validity period, agree the timing of any application or reapplication with your adviser and solicitor before exchange. Better to know that at reservation than to be surprised by it.
Where we stop

We are not mortgage advisers,
and that is not a formality.

Advising on a mortgage can be a regulated activity in the UK, depending on the loan and the borrower. We are not authorised to give mortgage advice of any kind.

So this page contains no rates, no loan-to-value figures, no product comparison and no view on whether you should borrow. Anything that looked like that here would be both useless and improper.

What we can do is introduce you to a regulated adviser who works with overseas and company buyers, and then keep the moving parts coordinated so their timetable and the developer’s do not collide.

If we ever hold a referral arrangement with an adviser we tell you before you act on the introduction, not afterwards.

Take it further

The rest of the timetable
is on these pages.

Funding interacts with everything else in the process, so the useful next step depends on where you are.

Last reviewed on 14 October 2026 against GOV.UK and HMRC guidance. General information, not advice on your own position.

Book a consultation

Tell us how you plan
to fund it.

We will map the timetable that follows, and tell you which introduction to make first.

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