Mortgage guide
First time buyer mortgage
Explore deposits, affordability, credit history and the schemes discussed in the guide. It also covers the application process and costs beyond the deposit.
First-Time Buyer Mortgages (UK)
What is a first-time buyer mortgage?
A first-time buyer mortgage is a residential mortgage for someone who has never owned property anywhere in the world. The mortgage product itself is not fundamentally different from other residential mortgages; the distinction lies in eligibility, deposit requirements, affordability treatment, and available schemes.
First-time buyers are assessed under full FCA regulation and Consumer Duty, with enhanced scrutiny on affordability and sustainability.
Who qualifies as a first-time buyer?
You are classed as a first-time buyer if:
- You have never owned a property before (UK or overseas)
- You are not named on a current or previous mortgage
- You are purchasing for owner-occupation
Joint applications qualify as first-time buyers only if all applicants meet the criteria.
Deposit requirements
Most first-time buyer mortgages require:
- 5% minimum deposit (95% LTV products)
- 10-15% deposit for wider lender choice and better rates
Lower deposits increase:
- Interest rates
- Affordability sensitivity
- Risk of down-valuation
The source of deposit must be fully evidenced.
Acceptable deposit sources
Lenders commonly accept deposits from:
- Personal savings
- Lifetime ISA (LISA)
- Gifted deposits from close family
- Gifted equity (concessionary purchases)
- Sale of assets (with evidence)
Borrowed deposits and unsecured loans are generally not acceptable.
Affordability assessment
Affordability is the primary constraint for first-time buyers. Lenders assess:
- Gross income and sustainability
- Existing credit commitments
- Household expenditure
- Stressed interest rates
- Future cost assumptions (utilities, dependants, childcare)
Most lenders offer borrowing between 4.0-4.5× income, with higher multiples available in limited circumstances.
Employment and income types accepted
First-time buyers can apply with:
- PAYE employment
- Self-employment
- Contract income
- Zero-hour or variable income
Multiple income sources
Non-standard income is acceptable, but lender choice becomes more criteria-sensitive.
Credit profile considerations
Credit history has a disproportionate impact on first-time buyers:
- Clean credit significantly expands lender choice
- Minor missed payments may still be acceptable
- Defaults, CCJs, or payday loan history reduce options
First-time buyers have no prior mortgage history, so personal credit behaviour carries more weight.
Loan-to-value (LTV) limits
Typical outcomes include:
- Up to 95% LTV with strong affordability
- More competitive rates at 90% LTV or below
- Reduced options above 90% LTV for flats and new builds
LTV limits vary by property type and lender appetite.
First-time buyer schemes
Some first-time buyers may benefit from:
- Lifetime ISA bonuses
- Shared Ownership
- Developer incentives (new builds)
- Local authority or regional schemes
Each scheme interacts differently with mortgage affordability and lender policy.
Property types and restrictions
Lenders apply additional scrutiny to:
- New build flats
- High-rise developments
- Non-standard construction
- Leasehold properties with short leases
First-time buyers are more exposed to property-specific restrictions due to higher LTVs.
Common reasons first-time buyer applications fail
Most issues arise from:
- Overestimating borrowing capacity
- Undeclared credit commitments
- Unacceptable deposit sources
- Down-valuations
- Applying to lenders misaligned with income type
These are criteria and preparation failures, not product issues.
Mortgage term length and age limits
First-time buyers often take:
- 30-40 year mortgage terms to improve affordability
- Longer terms reduce monthly payments but increase total interest
Lenders assess whether the term remains affordable into later life.
FCA regulation and consumer protection
First-time buyer mortgages are fully FCA-regulated. Lenders must:
- Evidence affordability under stress
- Ensure long-term sustainability
- Apply Consumer Duty to avoid foreseeable harm
This includes ensuring buyers are not stretched beyond realistic limits.
Why specialist guidance matters
First-time buyer lending is affordability-led and criteria-sensitive. Successful outcomes depend on:
- Correct income assessment
- Lender selection aligned to deposit and property type
- Managing credit and affordability optics
- Anticipating valuation and scheme restrictions
Handled correctly, first-time buyers can access the most competitive mortgage products in the market.
Talk it through with an adviser
Speak to a Mortgage Lane adviser about your circumstances and the next steps.
