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Cardiff HMO Profit Calculator
Model room-by-room rents, voids, mortgage, utilities, council tax, maintenance, management and annual compliance costs.
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HMO Landlord Resources
Practical information, market updates and guidance for HMO landlords and property investors in Cardiff and South Wales.
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Check the numbers before making the next decision.
Use the HMO Profit Calculator and Health Check, or request a free performance review.
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Is Your Cardiff HMO Performing Properly?
Score rent, occupancy, profitability, running costs, compliance, management and investment performance.
Start the Health Check →Free 20-minute review
Cardiff HMO Performance Review
A focused initial review of rents, occupancy, gross income, management structure, major issues and possible next steps.
Request My Free Review →£395 detailed assessment
Full HMO Performance & Viability Assessment
A deeper room-by-room commercial assessment covering achievable rents, running costs, potential uplift, management options and rent guarantee viability.
View the Full Assessment →Explore practical guides for Cardiff HMO landlords and property investors, including Welsh housing legislation, room-rental trends, landlord operating costs and options for specialist HMO management. For hands-on help, see our Cardiff landlord services or try the free HMO tools and performance reviews.
New to HMO planning and licensing? Read our updated Cardiff HMO planning and licensing guide, covering C3/C4 use, mandatory and additional licensing, Rent Smart Wales and Welsh occupation contracts. Confirm the current requirements for the specific property before committing to a purchase or conversion.
Latest Cardiff HMO landlord guidance
- Welsh Renters Bill 2027: what Cardiff HMO landlords need to know — proposals, timelines and areas to monitor.
- Senedd HMO debate: what it means for Cardiff landlords — a discussion of the latest political debate, not a change to existing licensing duties.
- Cardiff room rents Q3 2026 — local rent trends and HMO investment considerations.
- Could your fully occupied HMO still be underperforming? — an introduction to the free HMO Health Check.
- Rent guarantee for Barry and Vale landlords — learn about property suitability and potential agreement terms.
If you are reviewing an existing property, compare HMO management in Cardiff, room-by-room lettings and HMO rent guarantee options. Our free Cardiff HMO Profit Calculator is also available to estimate operating cash flow.
Is your Cardiff HMO performing as well as it could?
Reading about new legislation and rental trends is only part of the picture. If you own an HMO in Cardiff, it helps to know what you actually keep after room voids, maintenance, utilities, finance costs and management. Start with our free HMO Profit Calculator and HMO Health Check, or speak to Rooms in Cardiff about improving day-to-day management and performance.
Welsh Renters Bill 2027: What Cardiff HMO Landlords Need to Know
Could proposed Welsh rental reforms affect Cardiff HMOs? Explore the key proposals, potential implications and what landlords should monitor.
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Senedd Rejects HMO Ban Proposal: What Cardiff Landlords and Property Investors Need to Know
What does the latest Senedd debate mean for Cardiff HMO landlords? Understand the discussion and why compliant property management still matters.
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Rent Guarantee Barry & Vale: Could a 1–5 Year Agreement Work?
Barry and Vale landlords can enquire about property-specific rent guarantee options, potentially including one-to-five-year terms. Every payment, void provision and FRI obligation depends on a written agreement.
Read article →Cardiff HMO Landlord? Your Property Could Be Full — and Still Underperforming
Your Cardiff HMO may be fully let but underperforming. Review occupancy, running costs, compliance and rental performance with our free health check.
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Is Your Cardiff HMO Actually Making Money? Try Our Free HMO Profit Calculator
Do your Cardiff HMO room rents cover the true running costs? Estimate cash profit and operating margins using our free calculator.
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Guaranteed Rent for Caerphilly HMO Landlords | Free Appraisal
Explore a property-specific HMO rent guarantee in Caerphilly County Borough. Rent, voids, utilities, maintenance and management responsibilities depend on agreed written terms.
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Cardiff Room Rents Q3 2026: Is HMO Property Still Worth Considering?
How are Cardiff room rents changing? Explore Q3 2026 asking rents, operating costs and questions for HMO investors.
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Cardiff Landlords: Could You Be the Next Rachel Reeves?
Are you meeting your landlord obligations? Use this Cardiff-focused compliance discussion to identify areas that deserve a fresh review.
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Companies House ID Verification 2026: Guide for Limited Company Landlords
Companies House identity verification is mandatory. Find 2026 director and PSC deadlines, personal-code steps and a checklist for limited company landlords.
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How to Raise Rent Legally: Tips for Welsh Landlords
How can you increase rent legally in Wales? Read our 2026 guide to RHW12, two months' notice, annual timing rules and Cardiff HMO rent reviews.
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