About
Smarter Mortgage & Home Finance Tools. NestBoost brings mortgage planning, ISA strategy, and long-term savings modelling into one focused workspace so you can make better money decisions with confidence.
Practical clarity
Make complex planning choices easier with clear, comparable outputs.
Privacy-first
Keep planning data lean and intentional, with minimal server dependency.
Decision focused
Turn insight into action across mortgages, ISA contributions, and savings strategy.
Built to grow with you
Start with core planning and unlock deeper tools as your goals become more complex.
Mortgage planning
Model repayments, overpayments, LTV milestones, and rate-change scenarios with transparent assumptions.
ISA planning
Plan contributions and compare options as ISA tools roll out, with Premium users getting early access.
Savings growth
Stress-test long-term savings outcomes using compounding and scenario comparisons in one place.
NestBoost provides estimates for planning and comparison. It is not financial advice and should not replace advice from a qualified mortgage or legal professional.