The tool is designed for UK buy-to-let landlords and property investors who need to assess the financial viability of a specific property before making a purchase decision.
Como funciona
- Enter the property purchase price, expected monthly rent, deposit amount, and mortgage interest rate.
- Select the loan type (Fixed or ARM) and whether the mortgage is interest-only, then input running costs such as service charge, management fee percentage, CapEx reserve, and other expenses.
- Click Calculate to instantly see gross yield, net yield, annual cash flow, and cash-on-cash ROI, all rounded to two decimal places.
- Save the property analysis to your history, and view a side-by-side comparison table of all saved properties' key metrics.
O que você ganha
- Instant calculation of key buy-to-let metrics
- No need for complex spreadsheets
- Includes running costs for a realistic cash flow model
- Save and compare multiple properties side by side
- Simple, no sign-up required
Captura de tela

Detalhes técnicos
Como configurar e usar
- Compre a licenca — sua chave (lic_...) aparece na pagina do pedido e no seu e-mail.
- Entre em app.synoriaai.com com sua chave de licenca.
- Sem instalacao — o produto roda no navegador, na sua instancia isolada.
- Enter the property's purchase price, monthly rent and deposit percentage
- Enter mortgage details: interest rate, loan type, interest-only choice and term
- Enter running costs: service charge, management fee %, CapEx reserve and other expenses
- Click Calculate to see gross yield, net yield, cash flow and ROI
- Click Save Property to add it to your comparison list
Perguntas frequentes
Where is my data stored?
Everything you save stays on the server running this tool in a single data file. It is not shared with any third party.
Does this connect to my bank or mortgage lender?
No. You type in the numbers yourself; the tool only calculates and stores what you enter.
Can it read a property listing or photo automatically?
No, all figures (price, rent, costs) must be entered manually — there is no photo or listing import.
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