Do Your Homework Before You Step Inside

Viewing a flat is not quite like viewing a house. You are not just buying four walls; you are buying into a building, a lease and a set of shared bills, and a lot of what really matters will not be obvious from the doorstep. A little preparation turns a pleasant twenty-minute wander into a genuinely useful inspection.

Before you arrange the viewing, ring or email the agent and ask for the lease length, the current annual service charge, the ground rent, and the last three years of service charge accounts. Ask, too, whether the building has any cladding or remediation issues, and whether there is an EWS1 form or equivalent. Lenders can be very cautious about flats in buildings with unresolved external wall problems, and you do not want to fall in love with somewhere you cannot get a mortgage on.

Set your budget with the service charge already subtracted. A £2,400 annual charge is £200 a month on top of your mortgage, and it will rise. Knowing that figure before you walk in keeps your head clear.

Look for Damp, Draughts and Water Pressure

Damp is the most common serious defect in flats and often the most expensive to put right, particularly where it comes from a neighbouring property or a communal roof. Give yourself time to look properly.

• Check ceilings and corners for brown tide marks, bubbling paint or a fresh coat of stain-blocker that looks newer than the rest of the room.
• Look behind furniture and inside cupboards — damp is often hidden against external walls, and a wardrobe pushed into a corner can mask a lot.
• Use your nose. A musty, closed-in smell that does not lift when windows are opened is a warning sign.
• Test the water pressure. Turn on the hot and cold taps together and flush the toilet. If the shower dribbles or the flow drops away when someone else uses a tap, that is worth knowing before you commit.
• Inspect the windows. Open and close them, check for condensation between double-glazed panes, and look for draughts around the frames.
• Ask about the heating. How old is the boiler, when was it last serviced, and who pays for it if the building has a communal system?

The Paperwork That Can Sink a Sale

Some of the most important questions are about the lease rather than the flat itself. A short lease is not necessarily a deal-breaker, but it affects both your mortgage and your resale value, so get the facts early.

• Lease length. Many lenders want at least 70 to 80 years remaining, and a lease under 80 years starts to attract marriage value when you extend it, which can be costly. Ideally look for 90 years plus, or 125 on a new build.
• Ground rent. Watch for doubling clauses or rents that escalate sharply — these can make a flat hard to mortgage.
• Service charge and sinking fund. Is there a reserve fund for future works, or has the building been underfunded for years? Ask what the charge covers and how much it has risen annually.
• Planned major works. A new roof, lift replacement or external redecoration can mean a large one-off bill apportioned to you.
• Restrictions. Check the small print on pets, subletting, laminate flooring and short-term letting if any of those matter to you.

Step Outside the Flat and Look at the Building

Communal areas tell you a great deal about how well a building is run. Clean hallways, working entryphones and tidy bin stores suggest a managing agent who actually does their job.

• Look for the managing agent's name and contact details on the noticeboard, and note whether there has been recent communication.
• Check the bin store, the bike storage and any parking arrangements, including whether a space is allocated or a free-for-all.
• If you bump into a resident, say hello and ask what the building is like to live in. People are often refreshingly honest.

Go Back at Different Times of Day

A single viewing is a snapshot, and flats are unusually sensitive to the time of day. If you can, visit twice more.

• Weekday morning: traffic, the school run, bus routes and commuter noise.
• Evening: neighbours, television through the walls, cooking smells in the hallway, and how the street feels after dark.
• Weekend: parking pressure, bin collections and whether the building is quiet or lively.
• Natural light: work out which way the main windows face. A south-facing living room holds the sun; a north-facing one can feel gloomy from November to March. Ask what time the sun reaches each room.

Try to visit after heavy rain as well. That is when damp, poor drainage and leaking gutters reveal themselves, and it is information you cannot get on a dry Tuesday afternoon.

Questions Worth Asking on the Day

• Why are the current owners selling, and how long have they lived here?
• How much has the service charge increased over the last five years?
• Are any major works planned or recently completed?
• Is the building managed by the freeholder or a residents' management company?
• What is the broadband speed? Run a test on your phone while you are there.
• What council tax band is the flat in?

Take photographs, make notes and resist being hurried along. You are not just judging a flat — you are judging a building, a lease and a set of neighbours, and all three will shape how much you enjoy living there.