Ongoing costs after buying a UK property

Council tax

Council tax is charged by the local authority on most domestic properties. In England properties are placed in bands from A to H, based on an assessed value at a fixed historic valuation date rather than what you paid. Scotland uses bands A to H on its own valuation date, and Wales uses bands A to I. The band belongs to the property, not to you.

The amount payable depends on both the band and the council, so two identical properties in neighbouring authorities can cost noticeably different amounts. You can check a property’s band before you buy on GOV.UK — it takes a minute and it is worth doing during viewings rather than after.

Discounts and exemptions exist: a single-person discount, and reductions or exemptions in certain circumstances. Some councils charge a premium on long-term empty properties and on second homes, which is directly relevant if you are buying a property you will not live in full time. Check the specific council’s policy — it varies.

Buildings and contents insurance

If you have a mortgage, buildings insurance is a condition of the loan. Cover must normally be in place from exchange of contracts, not completion, because from exchange you are contractually committed. Your solicitor will remind you, but the responsibility is yours.

Buildings insurance covers the structure. Contents insurance covers what is inside and is optional, though sensible. On a leasehold flat, buildings insurance for the whole block is usually arranged by the freeholder or managing agent and recovered through the service charge — so you insure contents only, and should not buy separate buildings cover without checking.

Premiums depend on rebuild cost rather than market value, on location, on flood and subsidence risk, and on the construction of the building. Properties with non-standard construction, a flat roof, or a history of claims can cost significantly more to insure, and in some cases cover is harder to obtain. If a survey or search flags flood risk, get an insurance quote before you exchange.

Service charge and ground rent

If you buy a leasehold flat, you will pay a service charge towards the cost of running and maintaining the building — communal cleaning, lighting, lifts, gardens, buildings insurance, and the managing agent’s own fee. You may also pay ground rent to the freeholder, depending on the terms of your lease.

Service charge is the ongoing cost most likely to be materially larger than a buyer expected. It is set by the freeholder or managing agent, not by you; it can rise; and on buildings with concierge services, lifts, communal heating or extensive grounds it can be substantial. It is a genuine part of the cost of owning the property and should sit in your affordability calculation next to the mortgage payment.

Before exchanging, ask for the service charge accounts for the last few years rather than just the current figure. The trend tells you more than the number. Ask what is included, whether there is a reserve fund and how much is in it, and whether any major works are planned or have been consulted on.

Ground rent arrangements vary by lease and the law in this area has been subject to reform. Read what your own lease actually says, ask your conveyancer to explain it, and check the current position on GOV.UK rather than relying on general commentary.

Major works and reserve funds

Separately from the regular service charge, leaseholders can be billed for major works — a new roof, replacement windows, external redecoration, lift replacement, or remedial work to the building fabric. These bills can be large and they arrive on the freeholder’s timetable, not yours.

There is a statutory consultation process that freeholders must follow before recovering significant sums from leaseholders, which gives some visibility, but it does not make the cost avoidable. A well-run building holds a reserve or sinking fund so that major works are funded gradually rather than through sudden demands. A building with no reserve fund and ageing common parts is a foreseeable future cost.

This is one of the strongest arguments for reading the management pack properly rather than skimming it. The information is usually there.

Maintenance and repairs

If you own a freehold house, everything is yours: the roof, the boiler, the windows, the drains, the garden. There is no service charge, but there is also nobody else responsible when something fails.

The practical approach is to set aside a sum each year rather than meeting each repair as an emergency. A common rule of thumb is a small percentage of the property value annually, adjusted for the age and condition of the building — an older property with original windows and an ageing heating system will need more than a recently built one. A survey at purchase gives you a realistic starting point, because it tells you which components are near the end of their life.

Some costs are predictable and should simply be budgeted: annual boiler servicing, gutter clearing, periodic external decoration. Others are not, which is why a contingency matters.

Utilities and broadband

Gas, electricity, water, broadband and, where applicable, a TV licence. Energy costs depend on the size and efficiency of the property as much as on the tariff — the Energy Performance Certificate gives you an indication of running costs and is available for most properties before you buy.

Water is metered in some properties and charged on a rateable basis in others, which can make a meaningful difference depending on household size. Where a property is on a communal heating network, ask specifically how it is billed, as arrangements differ from a standard supply.

If you let the property

Letting brings a further set of ongoing costs and obligations. Letting agent fees are charged either for tenant-find only or for full management, usually as a percentage of rent. Statutory safety requirements apply — gas safety, electrical installation condition reporting, smoke and carbon monoxide alarms — each with a periodic cost.

There will also be periods without a tenant, and repairs between tenancies. Rental income is taxable and must be declared; the way finance costs are treated for tax purposes differs between individual landlords and companies, and this is an area where professional advice is genuinely necessary rather than optional.

Lenders assess Buy-to-Let affordability primarily on whether the rent covers the mortgage payment with a margin, using a stress test rather than your income alone. Section 6 of the UK Mortgage Guide explains rental cover and includes a calculator for it. HMRC and GOV.UK guidance for landlords set out the current obligations.

If you own from overseas

Owning a UK property while living abroad adds costs that resident owners do not meet. Someone has to hold keys, deal with contractors and respond when something goes wrong, which usually means paying a managing agent even if you would otherwise self-manage.

If the property is let, non-resident landlords have specific tax obligations in the UK, and there is a scheme governing how tax on rental income is handled. There may also be obligations in your country of residence, and how the two interact depends on the treaty position. Currency movements affect the real cost of every payment you make from abroad.

None of this is a reason not to buy. It is a reason to establish the arrangements before completion rather than discovering them when the first problem arises.

Budgeting sensibly

A workable approach is to build a single annual figure that includes the mortgage, council tax, insurance, service charge or a maintenance allowance, and utilities — then divide by twelve and compare it honestly with your income. Buyers who budget only for the mortgage payment are the ones who find ownership tighter than expected.

Two habits make the difference. Ask for the actual figures for the specific property before you exchange — council tax band, service charge accounts, energy certificate — rather than using averages. And hold a contingency, because the boiler will eventually fail and it will not consult your calendar first.

Read next

Pillar guide

The complete cost of buying in the UK

Tax

Stamp duty for UK and overseas buyers

Legal & survey

Solicitor, searches, survey and valuation

Mortgage

Deposit, broker, lender and product fees

Written by

Berkan Akşit

Founder of ABA Financial Consultancy Ltd, a London-based consultancy working with Turkish and international clients on UK property and mortgage journeys. Berkan supports clients with their mortgage options through Capricorn International, and writes the ABA UK Mortgage Guide in English and Turkish.

Last reviewed August 2026