Remortgage Step by Step UK — Complete Guide to Switching Your Mortgage
How to remortgage your home step by step. When to remortgage, how to compare deals, product transfers vs new lenders, costs, and a timeline of the process.
·5 min read
Remortgaging means switching your mortgage to a new deal — either with your current lender (a product transfer) or a new one. It is one of the simplest ways to save thousands. Here is how to do it.
When to Remortgage
Trigger
Action
Fixed rate ending within 6 months
Start comparing deals now
Already on SVR (standard variable rate)
Remortgage urgently — SVRs are usually 6.5%–7.5%
Rates have dropped significantly since your fix started
Calculate whether savings outweigh any ERCs
You want to borrow more (home improvements, debt consolidation)
Remortgage to a new larger loan
Your circumstances have improved (higher salary, lower LTV)
You may qualify for a better rate
Step 1: Check Your Current Deal
Check
Where to find it
Current interest rate
Your mortgage statement or online account
When your deal ends
Your original mortgage offer or statement
Early repayment charges
Your mortgage offer document — usually a percentage per year remaining
Outstanding balance
Your latest statement or online account
Current property value
Check Zoopla, Rightmove estimates, or similar
Current LTV (loan-to-value)
Balance ÷ property value × 100
Example: £180,000 mortgage on a property worth £300,000 = 60% LTV. This puts you in a strong position for the best rates (below 75% LTV is the key threshold).
Step 2: Compare Your Options
Product Transfer vs New Lender
Factor
Product transfer (same lender)
New lender
Speed
1–2 weeks
4–8 weeks
Valuation
Usually not needed
Required (often free)
Solicitor
Not needed
Required (often free with remortgage deals)
Paperwork
Minimal
Full application
Income checks
Sometimes reduced
Full affordability assessment
Rate
Competitive but may not be the cheapest
Access to whole market
Best if
Rate is competitive, you want simplicity
Another lender offers a meaningfully better rate
Rate Comparison Example
Option
Rate
Monthly payment (£200k, 25yr)
Total over 2 years
Stay on SVR (7.0%)
7.0%
£1,414
£33,936
Product transfer (4.2%)
4.2%
£1,079
£25,896
Best remortgage deal (3.9%)
3.9%
£1,048
£25,152
Difference between SVR and remortgaging = ~£8,000+ over 2 years.
Step 3: Decide — 2-Year Fix, 5-Year Fix, or Tracker?
Fix length
Best if
Typical rate (March 2026)
2-year fix
You believe rates will fall further — lets you remortgage sooner
~4.0%–4.3%
5-year fix
You want certainty and stability
~3.8%–4.1%
Tracker
You want to benefit from base rate cuts, can afford fluctuations
Compare 12,000+ products, handle the application, chase the lender
Your bank/lender
Free
Only shows their own products — limited choice
Comparison websites
Free
Good for initial research but don’t handle the application
Recommendation: Use a whole-of-market mortgage broker. Many charge no fee (they’re paid commission by the lender). They compare the whole market including exclusive deals, and handle the entire process.
Step 5: Apply
Documents Needed
Document
Detail
Proof of ID
Passport or driving licence
Proof of address
Utility bill or council tax bill
Income proof (employed)
3 months’ payslips, latest P60
Income proof (self-employed)
2–3 years’ SA302 + tax year overviews
Bank statements
3 months
Current mortgage statement
Latest statement showing balance
Details of debts
Credit cards, loans, car finance
Application Process
Step
What happens
Typical timing
Submit application
Broker sends to lender with documents
Day 1
Lender processing
Credit check, income verification, affordability
1–3 weeks
Valuation
Surveyor values your property (often automated for remortgages)
1 week
Mortgage offer
Lender issues formal offer
Week 3–5
Legal work
New lender’s solicitor handles the transfer
Week 4–8
Completion
New mortgage replaces old one
Week 6–8
Step 6: Completion Day
What happens
Detail
New lender pays off old mortgage
You don’t need to do anything
New payments begin
Usually from the 1st of the following month
Old direct debit cancelled
Your solicitor/new lender arranges this
New direct debit starts
Set up during the application process
Costs of Remortgaging
Cost
Amount
Often free?
Arrangement fee (new lender)
£0–£999
Some deals have no fee
Valuation
£250–£500
Often free on remortgage deals
Solicitor/conveyancer
£300–£500
Often covered by new lender as cashback
Deeds release fee (old lender)
£50–£100
Sometimes waived
Broker fee
£0–£500
Many brokers are free
Early repayment charge (if still in deal)
1%–5% of loan
Only applies if within your fixed/tracker period
Should You Add the Fee to the Loan?
Option
Monthly cost on £200k loan
Total cost over term
Pay £999 fee upfront
£0 extra/month
£999
Add £999 to loan (25yr, 4%)
~£5.27 extra/month
~£1,581
Adding the fee to the loan costs more long-term due to interest. If you can afford to pay upfront, do so.
Special Situations
Remortgaging to Release Equity
Detail
Information
What it means
Borrowing more than your current outstanding balance
Common reasons
Home improvements, debt consolidation, helping children with a deposit
LTV impact
Increases your LTV — may push you into a higher rate bracket
Affordability check
Lender must be satisfied you can afford the larger loan
Debt consolidation warning
You’re secured short-term debt against your home — if you can’t pay, you risk losing your property
Remortgaging on a Low Income or Changed Circumstances
Situation
Options
Income has dropped since original mortgage
May struggle to pass a new lender’s affordability test
On maternity/paternity leave
Some lenders only count SMP — you may not pass affordability
Recently self-employed
May need 2+ years of accounts
Product transfer may be better
Your current lender often applies lighter affordability checks
Remortgaging with Bad Credit
Situation
Impact
Missed mortgage payments
Significantly limits available lenders
CCJs or defaults
Many mainstream lenders will decline
Options
Specialist lenders, product transfer with current lender
Rates
Higher than standard — but still likely better than SVR