Mortgage Affordability & Borrowing Power
✓ Verified for 2026/27Your Financial Profile
£
£
Loans, credit cards, PCP car finance, etc.
Mortgage Preferences
£
£
Groceries, bills, transport, leisure (excl. rent/current mortgage)
%
years
Standard Borrowing (4.5x)
£0
max recommended loan
Max Purchase Budget
£0
loan + your deposit
Estimated Monthly Payment
£0
based on standard loan
Affordability Status
Affordable
based on net income
Borrowing Power by Income Multiplier
Lenders calculate loan caps based on a multiple of your gross income, adjusted for existing debts.
Conservative Limit (4.0x)
£0
Standard Limit (4.5x) (Most Common)
£0
Stretch Limit (5.0x)
£0
Super Stretch (5.5x)
£0
* Multipliers above 4.5x are generally reserved for high earners (e.g. over £75,000 joint income) or specific professional roles.
Monthly Affordability Check
An assessment of your estimated take-home pay against living expenses and the proposed mortgage payment.
Estimated Joint Net Monthly Income
£0
Less: Existing Monthly Debts
- £0
Less: Estimated Living Costs
- £0
Disposable Income (Before Mortgage)
£0
Proposed Monthly Mortgage Repayment
- £0
Remaining Monthly Cash Surplus
£0
Under FCA guidelines, lenders conduct stress tests to ensure you can afford payments if interest rates rise to 6-7%. To be safe, your total monthly debt and mortgage payments should ideally not exceed 40-45% of your net monthly income.
How We Calculated This
- Input variables: Enter the relevant amounts, rates, or percentages in the form.
- Real-time breakdown: The calculator applies HMRC rules and thresholds for the 2026/27 tax year to process the values.
- Display outputs: The visual graphs, donut charts, and tables are compiled dynamically to show your net take-home and deductions.
Real-World Examples
Standard Scenario
A basic calculation applying standard UK tax bands and allowances.
Calculation runs based on standard HMRC rules.
With Pension or Deductions
Factoring in a percentage of salary sacrifice or pension contributions.
Deductions are calculated and adjusted accordingly.
Frequently Asked Questions
Is this calculator updated for the 2026/27 tax year?
Yes, all calculators are fully updated with the latest HMRC thresholds, personal allowances, and National Insurance rates for 2026/27.
Can I use this for official tax submissions?
These tools are for estimation and illustrative purposes only. For official tax returns, please consult a qualified accountant or reference HMRC directly.
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About This Calculator
This calculator uses the latest HMRC rates for the 2026/27 tax year. For illustrative purposes only — always consult a qualified tax adviser for formal advice.