Is buying a flat cheaper than a house in the UK?
Flats cost less to buy upfront. But the average leasehold service charge passed £200/month in 2025 — and is rising faster than inflation. Once that's added, the "cheaper" option isn't always cheaper. Here's the real comparison for 2026.
The headline price difference
A 2-bedroom flat typically costs 15-25% less to buy than an equivalent 2-bedroom house in the same area. On a £295,000 average Northampton house price, a comparable flat might be £220,000–£250,000 — a saving of roughly £45,000–£75,000 on the purchase price.
The cost that changes everything: service charges
The average annual service charge for a flat in England and Wales reached £2,405 in 2025 — equivalent to £200.42 per month — having risen 32.6% since 2020. The size of the flat matters significantly:
| Flat size | Average annual service charge (2025) | Monthly equivalent |
|---|---|---|
| One-bedroom | £2,074/year | ~£173/mo |
| Two-bedroom | £2,463/year | ~£205/mo |
| Three-bedroom | £3,146/year | ~£262/mo |
In London specifically, the median service charge is more than £200 per year higher than the rest of England — and over a third of London homes are leasehold, more than double the rate elsewhere.
Side-by-side: flat vs house on the same budget
Comparing a £250,000 flat and a £295,000 house, both with a 10% deposit, 25-year mortgage at 4.5%:
📍 2-bed flat — £250,000
📍 3-bed house — £295,000
Other factors that affect the real comparison
- Ground rent: a government proposal would cap ground rent at £250/year, eventually reducing it to £0 after 40 years — but this is not yet law, so existing leases may still carry uncapped ground rent.
- Lease length: a new-build flat might come with a 250-year lease, while an older flat could have only 70 years remaining — short leases can make mortgages harder to obtain and reduce resale value.
- Major works: service charge figures often don't include one-off "major works" bills (roof replacement, cladding remediation, lift overhauls) which can run into thousands of pounds with little notice.
- Resale value: freehold properties typically hold their value better than leasehold ones, particularly as the lease term decreases.
- No garden/parking costs for flats: houses often come with gardens (maintenance cost) and driveways; flats may charge separately for parking spaces.
So which is actually cheaper?
For the lowest possible monthly cost in the first 5-10 years, a flat is often genuinely cheaper — the lower mortgage outweighs the service charge in many cases. But service charges have risen faster than inflation for five consecutive years, while a house's maintenance costs are within the owner's control and timing. Over a 10+ year horizon, particularly with a leasehold flat in an older building, the gap narrows or can reverse.
Check your own comparison
ABLE Index helps you compare the full monthly cost of different property types and locations — mortgage, council tax, typical bills and (where relevant) service charges.
Compare flat vs house for your budget
See the full monthly picture for different property types and locations.
Try the free ABLE check →