Trusted by 2,000+ UK property investors

Know Every Number. Before You Offer.

Propty runs the full deal in seconds — yield, cash flow, tax, refurb and exit — so you make offers with certainty, not guesswork.

Analyse Your First Deal — Free

Free to start · No card required · UK tax rules built in

How It Works

From First Look to Done Deal.

1. 01 Pick a Tool — Free calculators. No sign-up needed.
2. 02 Run Your Numbers — Instant results with UK tax rules baked in.
3. 03 Build Your Portfolio — Save scenarios, export PDFs, and track every deal.

Deal Analysis

Investor-Grade Analysis, Not Just a Number.

Run full BTL, BRRR, and flip appraisals with cashflow projections, stress-tested mortgage comparisons, and bridging exit models — all in one place. Export results worth showing a broker.

• ✓ BTL, BRRR and flip modelled in one place
• ✓ Stress-tested against rate rises and void periods
• ✓ SDLT, bridging and financing costs built in

Renovation & EPC

Deal Agreed? EPC C Planned. Contractor Briefed.

Build room-by-room renovation specs, see which EPC improvements actually pay back before the 2030 deadline, and hand contractors a brief that prevents scope creep — no more piecing it together in a Word document.

• ✓ Room-by-room renovation specifications
• ✓ HMO compliance & licensing checklist
• ✓ EPC improvement ROI — cost, rental uplift & payback

Reports & Sharing

Know Your Numbers Before You Commit.

Every scenario saved, every assumption visible. Export a one-page summary or share a live link, so the broker or partner you are asking for money sees exactly the numbers you did.

• ✓ Save every scenario and compare them side by side
• ✓ Export a one-page summary for your broker or JV partner
• ✓ Share a live link — no chasing which PDF was the latest
• ✓ Every figure traceable back to the assumption behind it

Mortgage Comparison

Compare Products Like a Pro.

Stack up to six mortgage products side-by-side with full cost breakdowns. See the true cost over the term — not just the headline rate.

• ✓ Fixed, tracker, and variable products in one comparison view
• ✓ Total cost of borrowing over 2, 5, and full-term horizons
• ✓ Cumulative cost charts to visualise long-term differences
• ✓ Share a branded comparison link with your mortgage broker

Tax & Finance

UK Tax Rules Built In. Not Bolted On.

Every calculation runs on current UK rules — SDLT bands and the investor surcharge, Section 24 mortgage interest relief, and CGT on disposal. No manual adjustments, no figures from a blog post two tax years out of date.

• ✓ SDLT, CGT and rental income tax calculated automatically
• ✓ Personal vs limited company compared side by side
• ✓ Long-term cashflow projections that account for tax, not just rent

Start Free — No Card, No Commitment

Trusted by 2,000+ UK property investors · 5 tools free forever

Deal Analysis Tools

• Deal Analyser — Full BTL, BRRR, and flip deal analysis with cashflow projections
• SDLT Calculator — Calculate stamp duty on any UK property purchase
• Land Appraiser — Land value and development potential analysis
• Mortgage Calculator — Compare mortgage products side-by-side with stress testing
• Bridging Calculator — Model bridging loan costs and exit strategies
• Rental Market Analysis — Local rental demand and yield analysis
• HMO Yield Calculator — Compare HMO vs standard rental yields

Renovation & Compliance Tools

• HMO Compliance — Track HMO conversion compliance requirements
• Renovation Spec Builder — Room-by-room renovation planning and budgeting
• Mixed Use Compliance — Commercial/residential mixed-use requirements

Energy & Utilities Tools

• BTU Calculator — Heating requirements and energy cost comparison
• Solar Analyser — ROI calculations for solar panel investments
• EPC Calculator — Estimate Energy Performance Certificate ratings
• EPC Improvement Planner — Model upgrade costs, rating uplift and payback to reach EPC C

Finance & Tax Tools

• Cashflow Projection — Long-term rental income forecasting
• Rental Tax Calculator — UK rental income tax with mortgage interest relief
• Capital Gains Tax Calculator — CGT on property disposals with reliefs
• Remortgage Calculator — Compare remortgage options and savings

Pricing · Blog · About · FAQ · Contact