How long does a mortgage application take in the UK?

From full application to a formal mortgage offer, two to six weeks is the usual range, with straightforward employed cases at the shorter end and complex or self-employed cases at the longer end. A purchase then depends on conveyancing and the chain, so the whole process from offer accepted to completion commonly runs eight to sixteen weeks. A remortgage with no chain is usually faster.

How long does a mortgage offer last?

Mortgage offers typically stay valid for three to six months depending on the lender, with new build cases sometimes offered longer validity. If your offer is close to expiring, an extension is often possible but is never automatic, so tell your broker early rather than at the deadline.

Why is my mortgage application taking so long?

The most common causes are missing or inconsistent documents, a valuation that has not yet been booked or has come back below the agreed price, an underwriter query waiting on a reply, and delays elsewhere in the chain that have nothing to do with the lender. Asking your broker which of those it is turns an anxious wait into a specific next step.

When should I start a remortgage?

Many people start around three to six months before their current deal ends, because offers are usually valid for that long and a deal secured early can often be swapped if something better appears before completion. Leaving it to the final weeks risks slipping onto the lender's standard variable rate while paperwork catches up.

How Long Does a Mortgage Take? UK Timeline

Plain-English guide · no advice, just how the market works

The honest answer is that a mortgage takes as long as its slowest document. Typical ranges are useful for planning, but every stage below can be same-day or can be three weeks, and the difference is almost always information arriving late. Here is what each stage involves and where the time actually goes.

Stage 1: agreement in principle, minutes to a day

A lender does a quick affordability and credit assessment on figures you declare and gives an indicative amount. Online it can take fifteen minutes. It is not a guarantee of anything, but estate agents often want to see one before taking an offer seriously. Read our guide to agreements in principle for what it does and does not mean.

Stage 2: choosing a lender and preparing the case, days to weeks

This is the part that is invisible from the outside and matters most. Matching your circumstances to a lender whose criteria genuinely fit is what separates a three-week case from a three-month one. If your income is variable, if you are self-employed, or if your credit file has history on it, this stage is where the whole timeline is decided.

Stage 3: full application and underwriting, one to four weeks

The case is submitted with your documents and a human underwriter reviews it. Straightforward employed applications with complete paperwork can be assessed in days. Complex cases collect queries, and each round trip costs time. Every query answered within a day instead of a week compresses the timeline directly, which is the main practical reason to have the document file ready in advance.

Stage 4: valuation, days to a couple of weeks

The lender values the property to confirm it is adequate security. This can be an automated desktop valuation completed instantly, a drive-by, or a full physical inspection that has to be booked around a surveyor’s diary and the seller’s availability. A valuation coming in below the agreed price is one of the most common causes of a case being restructured mid-flight.

Stage 5: the mortgage offer

The formal offer is issued to you and your solicitor. Offers usually stay valid for around three to six months, lender depending. From here the mortgage side is largely done and the clock belongs to the legal work.

Stage 6: conveyancing and completion, four to twelve weeks

Searches, enquiries, contracts, and the chain. This stage has nothing to do with your lender and everything to do with solicitors and the other parties. For a purchase, eight to sixteen weeks from offer accepted to completion is a common overall range. A remortgage with no chain is normally much quicker, sometimes a few weeks, and many lenders run a free legal service that handles the transfer.

What actually causes delays

Documents that arrive one at a time. Each gap restarts a review queue.
Inconsistencies. A name spelled differently, an address gap, declared income that does not match the payslips.
Unexplained money. Lump sums in bank statements with no evidenced origin.
Valuation issues. Down valuations, or property types a lender will not lend on.
The chain. Entirely outside your control and frequently the real culprit.
Applying to the wrong lender. A decline sends you back to stage two having spent weeks.

How to make it faster

Gather every document before you apply, not when asked.
Reply to queries the same day, even if the reply is “I am getting that tomorrow”.
Instruct a solicitor early and complete their forms promptly.
Declare everything upfront, especially anything awkward. Underwriters find it anyway, and finding it late costs weeks.
Get the lender choice right first time. This is the single biggest lever and it is the one a specialist broker pulls for you.

Remortgage timing specifically

If you are remortgaging, the useful question is not how long it takes but when to start. Because offers hold for months, starting three to six months before your current deal ends means the new arrangement is ready the moment the old one expires, rather than after a spell on the standard variable rate. Our remortgage page covers the timing in more detail.

Want the fast version?
Describe your case anonymously and compare brokers who already know which lenders fit it.

Start free, stay anonymous

Free to use · no credit check · no contact details until you choose

How long does a mortgage take?