Fixed vs Variable Rate Mortgage UK 2026 — Which Should You Choose?
Compare fixed and variable rate mortgages in the UK. Pros, cons, when each makes sense, and how to decide for your situation.
·5 min read
Choosing between fixed and variable rate mortgages is one of the biggest decisions when borrowing for a home. Here’s how they compare.
Quick Comparison
Feature
Fixed Rate
Variable Rate
Monthly payment
Same throughout term
Can change
If base rate rises
No change
Payments increase
If base rate falls
No change
Payments decrease
Initial rate
Usually higher
Often lower
Early repayment charges
Yes (during fix)
Often none
Peace of mind
High
Lower
How Fixed Rate Mortgages Work
The Basics
Aspect
Details
Rate
Locked for agreed period
Payment
Same every month
Terms available
2, 3, 5, 7, 10+ years
After fix ends
Moves to SVR
Example: £250,000 Mortgage at 5%
Month
Payment
Rate
Month 1
£1,461
5.00%
Month 12
£1,461
5.00%
Month 24
£1,461
5.00%
Certainty
100%
Fixed Rate Advantages
Advantage
Why It Matters
Budgeting certainty
Know exact costs
Protection from rises
Peace of mind
Good for tight budgets
No nasty surprises
Easy to plan
Known outgoings
Fixed Rate Disadvantages
Disadvantage
Details
Can’t benefit from falls
Locked in if rates drop
Early repayment charges
Costly to leave early
Remortgage at term end
Admin and fees
Usually higher initial rate
Pay for security
How Variable Rate Mortgages Work
Types of Variable Rates
Type
How It Works
Tracker
Base rate + fixed margin (e.g., Base +1.5%)
Discount
SVR minus fixed amount (e.g., SVR -1%)
SVR
Lender’s standard rate, changes at will
Tracker Mortgage Example
Base Rate
Tracker Rate (Base +1.5%)
Monthly Payment
4.50%
6.00%
£1,599
5.00%
6.50%
£1,673
4.00%
5.50%
£1,527
Your payment moves directly with the Bank of England base rate.
Discount Mortgage Example
SVR
Discount (SVR -1.5%)
Monthly Payment
7.00%
5.50%
£1,527
7.50%
6.00%
£1,599
6.50%
5.00%
£1,461
You get a fixed discount off the SVR, but SVR can change at any time.
Variable Rate Advantages
Advantage
Why It Matters
Benefit from rate cuts
Payments fall if base rate drops
Often no ERCs
Can overpay or leave easily
Lower initial rates
Sometimes cheaper to start
Flexibility
Can switch without penalty
Variable Rate Disadvantages
Disadvantage
Details
Payment uncertainty
Budget harder
Exposure to rises
Payments could jump
SVR is expensive
Avoid after deal ends
Stress
Watching rate decisions
Current Mortgage Rates (March 2026)
Mortgage Type
Typical Rate
2-year fixed (75% LTV)
4.8-5.2%
5-year fixed (75% LTV)
4.6-5.0%
2-year tracker
Base +0.8% (~5.3%)
Lender SVR
6.5-8%
Rates change frequently — check current offers when applying.
Fixed Rate Terms Compared
2-Year Fix
Pros
Cons
Lower rate than 5-year
Remortgage every 2 years
Review situation sooner
More fees over time
More flexibility
Less certainty long-term
5-Year Fix
Pros
Cons
Longer certainty
Locked in longer
Fewer remortgage fees
Miss out if rates fall
Less admin
Higher ERCs if you move
10-Year Fix
Pros
Cons
Ultimate certainty
Very long commitment
No remortgage for decade
Likely higher rate
Peace of mind
Big ERCs if circumstances change
Which Should You Choose?
Choose Fixed Rate If:
Situation
Why Fixed
Tight budget
Need payment certainty
Risk-averse
Don’t want rate stress
Expect rates to rise
Lock in before increases
First-time buyer
Stability while settling
Planning to stay put
Know your timeframe
Choose Variable Rate If:
Situation
Why Variable
Expect rates to fall
Benefit from decreases
Want flexibility
May overpay/move
Comfortable with risk
Can absorb higher payments
Strong finances
Buffer for rate rises
Short-term view
Plan to remortgage soon
Cost Comparison: A Worked Example
Scenario: £250,000 mortgage over 25 years
Option
Rate
Monthly
2-Year Cost
2-year fixed
5.0%
£1,461
£35,064
5-year fixed
4.8%
£1,427
£34,248
Tracker (Base +1%)
5.5%
£1,527
£36,648
If rates stay the same, 5-year fixed wins. But tracker payments would fall if base rate drops.
Early Repayment Charges
Typical Fixed Rate ERCs
Year of Fix
Typical ERC
Year 1
5%
Year 2
4%
Year 3
3%
Year 4
2%
Year 5
1%
ERC Example
Mortgage Balance
ERC (3%)
Cost to Exit
£250,000
3%
£7,500
Tracker/Variable ERCs
Many variable rates have:
No ERCs, or
ERCs only in initial period
More flexibility to leave
What Happens When Your Fix Ends
The SVR Trap
Current Deal
After Fix (SVR)
Monthly Increase
5.0% fixed
7.5% SVR
+£346
Always remortgage before moving to SVR.
Remortgage Timeline
When
Action
6 months before
Start researching
3-4 months before
Get mortgage offer
At expiry
New deal starts
Most mortgage offers are valid for 6 months, so you can lock in early.
Overpayments
Fixed Rate Overpayments
Allowance
Typical
Per year
10% of balance
Over limit
ERCs apply
Variable Rate Overpayments
Type
Usually
Tracker
Often unlimited
SVR
Usually unlimited
Discount
Check terms
If overpaying is important, variable offers more freedom.
Combined Strategy
Starting Fixed, Going Variable
Take 2-year fix for initial certainty
Reassess market at term end
If rates have fallen, consider tracker
If rates rising, fix again
Offset Mortgages
An alternative approach:
Feature
How It Works
Link savings
Reduce interest charged
Variable rate
But effective rate lower
Flexibility
Use savings when needed
Making the Decision
Key Questions
Question
If Yes →
Do you need budget certainty?
Fixed
Expecting to move within 5 years?
Short fix or tracker
Can you handle payment increases?
Variable
Want to overpay significantly?
Variable (or check fix terms)
Planning major life changes?
Shorter fix
Risk Assessment
Your Risk Tolerance
Recommendation
Very low
5-year fix
Low
2-3 year fix
Medium
2-year fix
High
Tracker
Summary
Fixed Rate
Variable Rate
✓ Certainty
✓ Flexibility
✓ Protection from rises
✓ Benefit from falls
✗ Miss rate falls
✗ Payment uncertainty
✗ ERCs
✓ Often no ERCs
Most UK borrowers choose fixed rates — the certainty is worth the premium for most budgets. But if you’re financially comfortable and believe rates will fall, a tracker could save money.
Consider your personal circumstances, risk tolerance, and plans before deciding.