Rent vs buy calculator · Northern Ireland
Rent vs buy in Lisburn and Castlereagh: is it cheaper to rent or buy?
Buying leaves you £24,212 better off after 7 years. Owning a 2-bed all property types costs about £1,463 a month, against £962 to rent the same size home.
- After 7 years
- Buy +£24,212
- Difference in net wealth
- Monthly cost to own
- £1,463
- Mortgage £1,241, of which £375 is capital
- Monthly cost to rent
- £962
- Rent £962 plus council tax
- Median price
- £240,737
- all property types
- Cash needed to buy
- £24,074
- £24,074 deposit + £0 SDLT
- Price-to-rent ratio
- 20.9
- Price divided by a year of rent
Renting vs buying in Lisburn and Castlereagh by home size
| Bedrooms | Price | Rent / mo | Owning vs renting / mo | After 7 yrs |
|---|---|---|---|---|
| 1 bed | £240,737 | £836 | +£627 | Buy £9,486 |
| 2 bed | £240,737 | £962 | +£501 | Buy £24,212 |
| 3 bed | £240,737 | £1,104 | +£359 | Buy £40,809 |
| 4+ bed | £240,737 | £1,590 | −£127 | Buy £97,828 |
Average rent and house prices in Lisburn and Castlereagh
The ONS average private rent in Lisburn and Castlereagh is £1,134 a month (Jun 2026), up 2.9% on a year earlier. The median price paid is £240,737 (UK HPI local authority average, Jul 2026). Rents here are published for the Belfast BRMA Broad Rental Market Area.
Default scenario: 2-bed home, 7 years stay, 10% deposit, 4.80% fixed mortgage, monthly difference invested in a S&S ISA at 7.5%. Council tax is £0 a year (Band C) and is paid whether you rent or buy, so it does not change the verdict.
Renting or buying in Lisburn and Castlereagh: FAQs
Is it cheaper to rent or buy in Lisburn and Castlereagh?
For a 2-bed home in Lisburn and Castlereagh, owning costs about £1,463 a month and renting about £962, both including council tax. Buying leaves you £24,212 better off after 7 years. This assumes a 2-bed home, 7 years stay, 10% deposit, 4.80% fixed mortgage, monthly difference invested in a S&S ISA at 7.5%.
What is the average rent in Lisburn and Castlereagh?
The ONS average private rent in Lisburn and Castlereagh is £1,134 a month across all home sizes (Jun 2026), with £836 for 1 bed, £962 for 2 bed, £1,104 for 3 bed, £1,590 for 4 or more bed. Rents rose 2.9% over the past year.
What is the average house price in Lisburn and Castlereagh?
The median price paid in Lisburn and Castlereagh is £240,737 (UK HPI local authority average, Jul 2026). The calculator uses £240,737 for a all property types, the property type typical for a 2-bed home.
How much is stamp duty on an average home in Lisburn and Castlereagh?
A first-time buyer paying £240,737 would pay £0 in SDLT. With a 10% deposit of £24,074, the cash needed on day one is about £24,074.
What is the price-to-rent ratio in Lisburn and Castlereagh?
About 20.9: the 2-bed price is 20.9 times a year of rent. Higher ratios favour renting; lower ratios favour buying.
Which home size is best value to buy in Lisburn and Castlereagh?
On the default assumptions, a 4+-bed home gives buying its strongest position: buying ahead by £97,828 after 7 years.
How many years until buying pays off in Lisburn and Castlereagh?
The lead first changes hands in year 2 on the default settings. Staying longer spreads stamp duty and selling costs over more years.
Areas with a similar price-to-rent ratio
Compare with the Northern Ireland average or browse every local authority.