UK landlord calculators
Free, instant calculators for UK landlords. No sign-up required, just open the tool and get your answer.
Which Section 8 grounds apply to your situation? Answer two questions and get the exact grounds, notice periods, and transition rules for pre and post May 2026 tenancies.
Answer 5 quick questions about compliance, arrears, and legal readiness to get an instant risk score, plus the specific STEMHQ features that would close the gaps.
Calculate the maximum security deposit you can legally charge under the Tenant Fees Act 2019. Works for weekly and monthly rents.
Check whether rent arrears meet the mandatory Ground 8 threshold. Shows which possession grounds are available and whether the court must grant possession.
Calculate the earliest date you can apply to court after serving a Section 8 notice. Covers all standard grounds including Ground 8, 10, 11, 12, 13, and 14.
Calculate gross and net rental yield for any buy-to-let property. Enter purchase price, rent, and running costs to see your return instantly.
Find out if Making Tax Digital for Income Tax applies to you as a landlord, and which phase mandates you. Covers the April 2026 and 2027 rollout.
See when your gas safety, EICR, EPC, fire risk and other certificates need renewing. Enter your tenancy start date to map every deadline.
Estimate Stamp Duty Land Tax on a buy-to-let or second home purchase in England, including the 5% additional property surcharge.
Compare your tax bill under the old fully-deductible mortgage interest rules against the current 20% tax credit system.
Check a prospective tenant’s income against the standard UK letting industry 30x monthly rent affordability benchmark.
Calculate the earliest date a rent increase can take effect under the new Form 4A process: 2 months’ notice and once every 12 months.
Calculate investigation, summary, and repair deadlines for damp, mould, and emergency hazards ahead of Awaab’s Law reaching the private rented sector.
These calculations happen automatically inside STEMHQ. Track arrears, serve Section 8 notices, and stay RRA compliant without doing the maths yourself.
All calculators are for guidance only and do not constitute legal or financial advice. Always verify with current legislation or a qualified professional.