Free calculator
Cardiff HMO Profit Calculator
Model room-by-room rents, voids, mortgage, utilities, council tax, maintenance, management and annual compliance costs.
Calculate My HMO →HMO Management • Cardiff & South Wales
Specialist HMO Management in Cardiff & South Wales
Specialist HMO management, rent guarantee and room-by-room lettings backed by over 20 years of experience across Cardiff.
Professionals • Students • Housing Benefit • Universal Credit
Free HMO Tools & Performance Services
Understand what your HMO is really producing.
Use our free calculator and HMO health check, then request a focused performance review if you want us to look at the property in more detail.
Free health check
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 →Established Cardiff Experience
Over 20 years of room-by-room letting experience in Cardiff
Rooms in Cardiff has been letting rooms on individual contracts across Cardiff for more than two decades. Over that time, we have worked with professionals, students and contract holders receiving Housing Benefit or Universal Credit. That experience gives us a practical understanding of different HMO markets, occupancy patterns and the day-to-day realities of managing shared accommodation.
20+ YearsRoom-by-room letting across Cardiff
ProfessionalsIndividual room contracts
StudentsLong-standing Cardiff letting experience
HB & UCBenefit-inclusive lettings experience
Specialist HMO Services
HMO management built around the way multi-let property actually works.
Managing an HMO involves more than collecting rent. Multiple occupiers, room turnover, maintenance, inspections, licensing and different applicant profiles all require a more specialist approach.
Free
Free HMO Performance Review
A free 20-minute initial review of room rents, occupancy, gross income, management structure and obvious performance issues.
Request My Free Review →
£395
Full HMO Performance & Viability Assessment
A detailed room-by-room commercial assessment covering rents, running costs, management options, potential uplift and rent guarantee viability.
View Full Assessment →Lead Service
HMO Rent Guarantee for Cardiff & South Wales landlords
For suitable properties, we can explore rent guarantee arrangements designed to provide greater certainty over rental income and reduce a landlord’s exposure to individual room voids.
- More predictable monthly rental income
- Reduced exposure to individual room voids
- Less day-to-day landlord involvement
- One professional point of contact
- Property assessed individually
Free initial assessment
Could your HMO qualify?
Send us the postcode, number of rooms, current rent and occupancy. We will review the property and discuss the most suitable management model.
3core options: full management, lettings support or potential rent guarantee.
Request My HMO Assessment →
Any rent guarantee offer is property-specific and subject to assessment, due diligence and agreed terms.
A Wider Rental Market
Experienced in Housing Benefit and Universal Credit lettings
For more than 20 years, Rooms in Cardiff has let rooms across Cardiff to professionals, students and suitable contract holders whose housing costs are met wholly or partly through Housing Benefit or Universal Credit. That breadth of experience helps landlords consider a wider rental market while maintaining appropriate applicant assessment and ongoing management.
Working Professionals
Room-by-room accommodation for people working in Cardiff and the surrounding area.
Housing Benefit
Experience with suitable applicants receiving Housing Benefit towards housing costs.
Universal Credit
Experience with applicants receiving the housing-cost element of Universal Credit.
Why Rooms in Cardiff
HMO specialists, not general letting agents.
Room-by-room letting has been at the core of what we do for more than two decades. Our systems, lettings strategy and management approach are designed around the additional operational demands HMOs create.
A clear process
How we manage your HMO
1
Property review
We assess the property, occupancy and current management position.
2
Choose the model
Fully managed, lettings support or potential rent guarantee.
3
Onboarding
We gather the property, compliance and contract information.
4
Lettings & occupancy
Advertising, enquiries, viewings and onboarding where required.
5
Ongoing management
Rent, inspections, maintenance and contract-holder communication.
6
Landlord oversight
Clear visibility without managing every issue personally.
Landlord Knowledge Centre
Practical information for HMO landlords and property investors.
Is Your Cardiff HMO Actually Making Money? Try Our Free HMO Profit Calculator
Is your Cardiff HMO really performing as well as you think? Use our free HMO Profit Calculator to compare room rents, voids, mortgage and operating costs, then see your estimated monthly and annual cash profit.
Read article →Guaranteed Rent for HMO Landlords in Caerphilly County Borough – No Voids, No Management Fees, No Operating Costs
Own a vacant HMO in Caerphilly County Borough, or currently converting one? Rooms in Cardiff is looking for suitable properties for guaranteed rent, with no room-by-room voids, no percentage management fees and reduced day-to-day operating responsibility. Request a free HMO rental appraisal today.
Read article →Cardiff Room Rents Q3 2026: Is HMO Property Still Worth Considering?
Cardiff room rents are hovering around £600 a month — and in many better-quality house shares, £650 or more is now being advertised. So […]
Read article →Contract Holder Support
Existing contract holder or looking for a room?
Use our online forms to report a repair or maintenance issue, or to register your interest in a room with Rooms in Cardiff.
Existing contract holders
Report a Repair or Maintenance Issue
Tell us what has happened, where the issue is and provide any useful details so the maintenance request can be logged and reviewed.
Report a Repair →Looking for accommodation
Register for a Room
Looking for a room in Cardiff? Register your details and housing requirements so we can consider you for suitable available accommodation.
Register for a Room →Property review
Own an HMO in Cardiff or South Wales?
Find out which management model could work for your property — full management, room-by-room lettings or a potential HMO rent guarantee arrangement.
Rooms in Cardiff is a great resource for multi-let and HMO landlords with Rooms to Rent in Cardiff
Make us your first choice if you are looking to to rent a room or find a new housemate in Cardiff.
If you are looking for student housing or a professional house share, make Rooms in Cardiff your first port of call when you begin your search to rent a room. We are here to help you to find a housemate or house share in Cardiff with majority of our rooms to rent in Cardiff include bills in the monthly rental payment.
We can also help property investors build a truly passive income via our High Yield Property Portfolio Builder