Property

Mortgage Application Timeline UK — Step-by-Step from Offer to Completion

How long does a mortgage application take? Complete timeline from initial enquiry to completion day, including what happens at each stage and how to speed things up.

· 6 min read

Buying a property involves a long chain of steps. Here is a realistic timeline of what happens, how long each stage takes, and how to avoid delays.

Overview Timeline

Stage Typical duration Running total
Agreement in Principle (AIP) 1–2 days Day 1–2
Property search and offer accepted Variable (days to months) —
Full mortgage application submitted 1–3 days Week 1
Lender processing and underwriting 1–3 weeks Week 2–4
Property valuation/survey 1–2 weeks Week 3–5
Mortgage offer issued 1–2 weeks after valuation Week 4–7
Conveyancing (solicitor work) 6–12 weeks (runs in parallel) Week 1–12
Exchange of contracts After all conditions met Week 8–14
Completion (you get the keys) Usually 1–4 weeks after exchange Week 10–16

Total from application to completion: Typically 8–16 weeks (2–4 months). Can be faster for simple cases or slower for chains.

Stage 1: Agreement in Principle (AIP)

Detail Information
Also called Decision in Principle (DIP), Mortgage in Principle
What it is A preliminary indication of how much a lender will lend you
How long Usually 24–48 hours (some lenders give instant online decisions)
Credit check Soft search (usually — check with your broker)
How long it lasts 30–90 days depending on lender
Binding? No — it’s not a mortgage offer

What you need for an AIP

Document Detail
Income Stated salary or self-employed income
Deposit Amount available
Employment status Employed, self-employed, contractor
Monthly expenses Rough figures for outgoings
Credit commitments Any loans, credit cards, car finance

Tip: Get your AIP before you start viewing properties. Estate agents take offers more seriously when you can show you’ve been assessed by a lender.

Stage 2: Making an Offer and Acceptance

Detail Information
Timeframe Varies hugely — could be same day or months of searching
Your offer Typically 5–10% below asking price (but depends on market conditions)
Negotiation May take several rounds
Once accepted Instruct your solicitor and mortgage broker immediately

Key action: As soon as your offer is accepted, instruct your solicitor/conveyancer and tell your mortgage broker to submit the full application. These two work streams run in parallel.

Stage 3: Full Mortgage Application

Detail Information
What happens Your broker submits the full application with supporting documents
Timeframe 1–3 days to prepare and submit

Documents Needed

If employed If self-employed
3 months’ payslips 2–3 years’ SA302 tax calculations
P60 (most recent) 2–3 years’ tax year overviews
3 months’ bank statements 3 months’ business bank statements
Proof of ID (passport/driving licence) 3 months’ personal bank statements
Proof of address (utility bill/council tax) Proof of ID and address
Proof of deposit Proof of deposit
Details of debts (loans, cards, car finance) Details of debts
Employment contract (if new job/probation) Accountant’s reference (some lenders)

Related: Self-Employed Mortgage — How Much Can I Borrow?

Stage 4: Lender Processing and Underwriting

Detail Information
What happens The lender verifies your documents, runs a full credit check, and assesses affordability
Timeframe 1–3 weeks
Credit check Full (hard) search — this appears on your credit file
What they check Income verification, credit history, affordability stress tests, deposit source

Common Reasons for Delays at This Stage

Issue Impact
Missing documents Lender requests more information — adds days or weeks
Inconsistencies in bank statements Unexplained large deposits, gambling transactions
Self-employed income complex Lender may request additional evidence
Recent job change May need a probation confirmation letter
Complex property (ex-council, non-standard construction) May need additional checks

Stage 5: Property Valuation

Detail Information
What happens The lender instructs a surveyor to value the property
Purpose To confirm the property is worth the purchase price and is acceptable security
Timeframe 1–2 weeks from instruction to report
Cost Usually £250–£500 (some lenders offer free valuations)
Who arranges it The lender — not you

Valuation Outcomes

Outcome What happens next
Valued at or above purchase price Application proceeds normally
Down-valued (valued below purchase price) You may need to renegotiate the price, increase your deposit, or the lender may reduce the loan
Retention Lender withholds some funds until specific repairs are done
Declined Property is unsuitable as security — application may be withdrawn

Tip: You can also arrange your own survey (homebuyer report or full structural survey) independently. The lender’s valuation protects them, not you.

Stage 6: Mortgage Offer

Detail Information
What happens The lender issues a formal mortgage offer
Timeframe 1–2 weeks after successful valuation
Contents Loan amount, interest rate, term, monthly payment, conditions
Validity Usually 3–6 months
Sent to You and your solicitor

This is the point where the mortgage is confirmed. But you still need the legal work to complete.

Stage 7: Conveyancing (Solicitor Work)

This usually runs in parallel with stages 3–6 but is often the longest part.

Conveyancing step Typical duration
Instructing your solicitor Day 1
Local authority searches 2–6 weeks (varies hugely by council)
Environmental and drainage searches 1–2 weeks
Title investigation 1–3 weeks
Raising enquiries with seller’s solicitor 2–4 weeks (depends on responsiveness)
Reviewing mortgage offer Few days
Preparing completion documents 1 week
Total conveyancing time 6–12 weeks typically

Common Causes of Conveyancing Delays

Delay Cause
Slow local authority searches Some councils take 4–6 weeks
Seller’s solicitor slow to respond to enquiries Chasing required
Title issues (missing documents, boundary disputes) Can add weeks or months
Leasehold complications Service charge arrears, lease too short, management company delays
Chain breaks If someone in the chain pulls out, everything stalls

Stage 8: Exchange of Contracts

Detail Information
What happens Both sides commit legally — the sale is now binding
Deposit You pay the exchange deposit (usually 10% of purchase price)
Completion date Agreed at exchange — usually 1–4 weeks later
Can you pull out after exchange? Only by forfeiting your deposit (and potentially being sued)

Stage 9: Completion

Detail Information
What happens Your solicitor transfers the money, the seller’s solicitor confirms receipt, you get the keys
Timeframe Usually 1–4 weeks after exchange (often same day for chain-free)
Stamp Duty Your solicitor pays this on your behalf from the funds
Keys Usually collected from the estate agent on completion day

Full Timeline — Realistic Example

Week What’s happening
Week 1 Offer accepted. Instruct solicitor and broker. Submit full mortgage application
Week 2–3 Lender processes application. Solicitor orders searches
Week 3–4 Valuation arranged and completed
Week 4–5 Mortgage offer issued. Search results starting to come back
Week 5–8 Solicitor raises and resolves enquiries
Week 8–10 All conditions met. Exchange of contracts
Week 10–14 Completion. You move in

How to Speed Things Up

Tip Impact
Get AIP before house hunting Saves time once offer accepted
Have all documents ready before applying Prevents delays from missing paperwork
Instruct a solicitor the same day your offer is accepted Conveyancing starts immediately
Use a mortgage broker They chase the lender and manage the process
Respond to all requests within 24 hours Every day you delay adds to the total
Don’t change jobs, take on debt, or apply for credit during the process Can cause the lender to reassess
Buy chain-free if possible (new build, unoccupied property) Removes the biggest cause of delays
Consider personal search companies for local authority searches Can be faster than waiting for the council