Flat viewings move fast. You’ve got twenty minutes, a friendly agent, and a flat that looks great in the afternoon light. It’s easy to walk away having only asked “when’s it available?” and “how much is the deposit?”
But the questions that really matter are often the ones agents won’t bring up themselves — not because they’re hiding anything, but because it’s simply not their job to point out a flat’s weak spots. That’s your job.
Here are 20 questions worth asking before you commit to anything.
About the property itself
1. Why is the current tenant leaving? A one-word answer like “relocating” is fine. But if the agent hesitates, changes the subject, or gives you a different reason each time you ask, take note. Tenants often move on because of a genuine issue — a rent increase, ongoing repair problems, or a landlord who’s hard to reach. You won’t always get the full story, but the way the question is answered tells you almost as much as the answer itself.
2. How old is the boiler, and when was it last serviced? A boiler breaking down in December, with no hot water while you wait for a repair, is a genuinely miserable experience. Ask for the last service date in writing, not just a verbal “yeah, it’s fine.” Gas safety certificates are a legal requirement in the UK, so the agent should be able to show you one on the spot.
3. Is there mould or damp anywhere, even if it’s been painted over? Mould isn’t just unpleasant to look at — it can affect your health, especially if anyone in the household has asthma or allergies. Fresh paint in one corner of a ceiling, or a slightly different shade of white near a window, is often a sign something’s been covered up rather than properly fixed. Ask directly, and check window frames and room corners yourself.
4. What’s included in the rent — water, internet, council tax? Two flats at the same monthly rent can end up costing very different amounts once bills are added. Ask for a full breakdown: water, gas, electricity, internet, and council tax band. It’s easy to fall in love with a headline rent figure and forget to check what’s actually included until the first bill lands.
5. Is the furniture staying, and is it in the inventory? If a sofa or wardrobe isn’t listed on the official inventory, don’t assume it’s included — or that you’re free to remove it if you don’t like it. An unclear inventory is also one of the most common causes of deposit disputes at the end of a tenancy, so get everything written down before you move in.
About noise and daily life
6. How thick are the walls and floors? This sounds like an odd thing to ask, but it matters more than almost anything for day-to-day comfort. Ask if you can knock on a wall or listen for sound from next door during the viewing. Thin walls in converted period buildings are extremely common in the UK, and no listing will ever mention it.
7. What’s the noise like at night, especially on weekends? Agents show flats during the day, when the street is quiet and everyone’s at work. They rarely mention the pub that gets loud on Friday nights, the takeaway with a queue until 2 am, or a flatmate upstairs who works irregular shifts. Ask directly, and if you can, visit the street again in the evening before signing anything.
8. Does the property get much natural light, and at what time of day? A flat that looks bright during an 11 am viewing might be genuinely dark by 4 pm if it faces north or sits in the shadow of a taller building. Ask which direction the main windows face, and picture what the room will feel like on a grey January afternoon, not just on a sunny viewing day.
9. Is there a working lift, and how many floors up is the flat? This matters more than people expect — for moving day, for carrying the weekly shop, and for anyone with mobility needs or young children. Ask whether the lift is reliable, since older buildings sometimes have lifts that are frequently out of service.
10. What’s mobile signal and broadband speed actually like inside? A postcode-level broadband checker won’t tell you much about signal strength inside one specific flat, especially in basement flats or buildings with thick walls. Ask the current tenant if possible, or check your own phone signal while you’re there.
About safety
11. Has there been any crime reported on this street recently? Agents aren’t required to volunteer this, and many simply won’t know the details. Ask anyway, but back it up with your own research using local police crime maps, which are freely available online for any UK postcode.
12. Are the locks and entry system up to date? Ask specifically about the front door lock, the flat’s own door, and any communal buzzer or entry system. Older buildings sometimes still use entry systems that are easy to bypass, or locks that haven’t been changed between tenants — worth raising directly.
13. Is the area well-lit at night? A street can feel completely different after dark. If you can, walk the route from the nearest bus stop or train station to the front door once in the evening before deciding, rather than relying on a single daytime viewing.
14. Has the building had any fire safety checks? Especially important for flats within larger blocks. Ask about fire doors, working smoke alarms, and clearly marked escape routes. Following high-profile building safety concerns in the UK in recent years, this is a completely reasonable and increasingly common question to ask.
About costs and contracts
15. Is the rent negotiable? It rarely hurts to ask, particularly if the flat has been sitting empty for a while or the local market has slowed down. The worst outcome is simply being told no.
16. What happens if I need to leave the contract early? Life changes — jobs move, relationships end, plans shift. Ask specifically about break clauses, any penalties involved, and whether you’d be responsible for rent until a new tenant is found. Get this in writing before you sign, not after a problem comes up.
17. How much notice will I get before a rent increase? Ask what happened with the current tenant’s rent over the course of their tenancy, if the agent is willing to share it. It gives you a realistic sense of how the landlord tends to operate, rather than relying on assumptions.
18. Who’s responsible for repairs, and how fast do they usually respond? A landlord or agency that takes three weeks to send someone out for a leaking pipe can turn a small issue into a much bigger, costlier one. Ask how repairs are typically handled and whether there’s a dedicated contact for emergencies.
About the neighbourhood
19. What’s the commute really like at rush hour, not just on Google Maps? Journey planning apps rarely account for overcrowded trains, replacement bus services, or roadworks that have quietly been going on for months. Ask the agent, but also try the actual commute yourself at the time of day you’d normally be travelling, before committing.
20. What’s the community like — mostly students, families, professionals, long-term residents? This single detail shapes almost everything about daily life in a new area: noise levels, how safe the street feels when walking home late, and how easy it is to get to know your neighbours. It’s rarely mentioned in a listing, but it can make the difference between a place that feels like home and one that never quite does.
Why these questions matter
Estate agents work for the landlord, not for you. That doesn’t make them dishonest — it just means their job is to get the flat let, not to talk you out of it. Asking these questions puts the responsibility for good information where it should be: with you, backed up by facts, not just a good first impression during a sunny Saturday viewing.
If you want answers agents can’t spin, real tenant reviews are often your best source. People who’ve actually lived somewhere will tell you about the thin walls, the noisy street, or the landlord who took three weeks to fix a leak — the details a viewing alone will never reveal.