Model your finances,
decide with absolute
clarity.

Independent, zero-tracking decision tools calibrated for UK legislation: income tax (PAYE), National Insurance, mortgages, council tax, and pension pots.

100% FreeNo cookiesExport reportsUK NationwideHMRC 2026 rules
A person reviewing household budget and pension projections in a modern UK home.
Morphing UI & Arbitrage

Scenario Planning

Model distinct financial pathways side by side.

Horizon de simulation morphé :20 ans
10 ans (court terme)20 ans (moyen terme)30 ans (patrimonial)

Scenario A

Standard PAYE Salary

Standard
Net Take-Home Pay
3 260 €
Avantages
  • Predictable monthly bank deposits
  • Standard personal allowance (£12,570)
Inconvénients
  • Higher marginal 40% tax on upper slice
  • Zero additional pension tax relief
Adéquation avec vos objectifs
65%

Scenario C

Max ISA Contribution

Net After Savings
2 650 €Tax-Free
Avantages
  • 100% tax-free capital growth & dividends
  • Instant access without penalty
Inconvénients
  • Tighter monthly operating budget
  • Annual £20,000 allowance cap
Adéquation avec vos objectifs
75%
Graphe de Décision Vivant :

Simulequa Decision Engine — United Kingdom

Synthesise HMRC tax bands, National Insurance, and mortgage stress tests into clear action.

Revenu brut / CA annuel62,000 €
25 000 €⚡ Propagation temps réel120 000 €
Verified HMRC & DWP guidelines
Impartial calculations without commission
Personalized tax & mortgage scenarios
Structured decision roadmap
Discover Decision Journeys

PAYE & NI Bands

Cross-checks personal allowance, basic rate, and higher rate thresholds.

Mortgage Affordability

Tests 4.5x salary multiplier against current base rates and stress tests.

Pension Tax Relief

Calculates annual allowance (£60,000) and carry-forward relief.

Moteur
décisionnel
Simulequa

Simule · Analyse · Compare
Recommande

Calcul 0 ms

Official 2026/27 Baselines

PLF 2026 Art. 197 CGI vérifié

Up-to-date thresholds from HMRC, DWP, and Bank of England.

Step-by-Step Action Plan

Statut optimal : SASU dividendes

Actionable roadmap tailored to your specific financial milestone.

Official Brief PDF

Économie nette : +4 350 €/an

Download a comprehensive summary for your mortgage broker or advisor.

Scroll Storytelling & Déroulé Guidé

Decision Journey

Navigate from your initial query to a grounded financial decision.

Explore UK Journey

Your Query

State your target: mortgage affordability, salary review, or pension plan.

Tool Match

Matched to the appropriate HMRC-compliant UK tool.

Étape active

Simulation

Input figures for instant private calculations on your machine.

Scenarios

Evaluate alternative contributions, mortgage terms, or tax bands.

Recommendation

Understand trade-offs, marginal tax traps, and net benefits.

Decision Brief

Download your PDF synthesis ready for consultation.

Reverse Decision Journey

Committed to a property purchase or pension scheme? Audit your past choice to uncover optimization levers and refinancing potential.

Audit a Past Decision

Recommended adjustments

Actionable remortgage options and pension rebalancing steps.

Feasible alternatives

Examine mortgage fixed terms and contribution caps available at the time.

Observed outcomes

Measure current monthly outgoings against initial expectations.

Core assumptions

Review interest rate trends and inflation assumptions that guided the deal.

Original context

Reconstruct your baseline income, loan-to-value (LTV), and expenses.

Completed decision

Enter contract inception date, fixed rate expiry, and loan balance.

100% FreeUnrestricted access to all tools
Zero TrackingClient-side private calculation
Official ReportsDownloadable PDF summaries for advisors
UK SovereignCalibrated for England, Wales, Scotland & NI
2026/27 RulesOfficial HMRC and DWP benchmarks verified

Grounded tools for your decisions,
at every stage of your life.

Mortgage affordability, take-home pay, pension planning, energy costs... Simulate, compare, and proceed with certainty.

Clear figures
Personalized scenarios
Informed decisions
Greater peace of mind