Key indicators for buyers
The SO18 market is moderately favourable for buyers. Prices are rising at 4.0%, which may favour acting sooner rather than later. Affordability has improved from a peak of 7.5x in 2018 to 6.6x today. Rising rents (£1,243/mo, +3.8%) mean the cost of waiting is real.
Yearly averages · HM Land Registry Price Paid Data
2026averages · HM Land Registry Price Paid Data
House price ÷ median earnings · ONS data
Affordability data shown for wider Southampton area
A home in Southampton costs 6.6x the local median salary — moderate, improving from a peak of 7.5x in 2018.
Average monthly rent · ONS Private Rental Index
Rental data shown for wider Southampton area
Average monthly rent in Southampton is £1,243, up 3.8% year-on-year. Rents have risen consistently over the past five years.
2yr fixed · 75% LTV · 25yr term · BoE avg. rate
Based on the average Southampton price of £288,636 with a 25% deposit (£72k), a 2-year fixed mortgage at 3.97% costs around £1,139 per month.
Monthly cost comparison based on current data
Uses SO18 avg. price with Southampton rental data
Monthly mortgage payments (£1,139) are £104 less than renting (£1,243). However, buying requires an upfront deposit of £72k — it would take around 8 years to recoup that cost compared to renting and investing the difference.
Latest transactions · HM Land Registry Price Paid Data
| Address | Type | Price | Date |
|---|---|---|---|
FLAT 37, VICTOR COURT, 80, THORNHILL PARK ROAD, THORNHILL PARK SO18 5TW | Flat/Maisonette | £77,000 | 23 Jan 2026 |
34, WILDERNESS HEIGHTS, WEST END SO18 3PS | Detached | £616,000 | 23 Jan 2026 |
35, MACNAGHTEN ROAD SO18 1GL | Semi-detached | £335,000 | 22 Jan 2026 |
18, SUMMIT WAY SO18 4ST | Terraced | £257,000 | 21 Jan 2026 |
FLAT 5, CENTURION HOUSE, 44, HAWKESWOOD ROAD SO18 1QD | Flat/Maisonette | £140,000 | 16 Jan 2026 |
6, ENNERDALE GARDENS, WEST END SO18 3NR | Semi-detached | £325,000 | 16 Jan 2026 |
215, BITTERNE ROAD WEST |
Data sources (all free & public): HM Land Registry Price Paid Data & UK House Price Index · ONS Housing Affordability Ratios · ONS Private Rental Index · Bank of England Quoted Household Interest Rates · HMRC Monthly Property Transactions
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0.
The average property in SO18 sold for £288,636 in 2026, with a median of £300,000 across 11 transactions. Prices rose 4.0% compared to the previous year.
| Semi-detached |
| £280,000 |
| 15 Jan 2026 |
216, BITTERNE ROAD WEST SO18 1BE | Detached | £310,000 | 14 Jan 2026 |
94, MOUSEHOLE LANE SO18 4FD | Semi-detached | £300,000 | 12 Jan 2026 |
37, HARBOURNE GARDENS, WEST END SO18 3LY | Terraced | £325,000 | 7 Jan 2026 |
7, COBDEN RISE SO18 1DL | Terraced | £210,000 | 6 Jan 2026 |
FLAT 20, WEST END HOUSE, 140, WEST END ROAD SO18 6PA | Flat/Maisonette | £140,000 | 19 Dec 2025 |
FLAT 4, 62, DEAN ROAD, BITTERNE SO18 6AN | Flat/Maisonette | £87,500 | 19 Dec 2025 |
24, BROADWATER ROAD SO18 2EB | Semi-detached | £325,000 | 19 Dec 2025 |
78, GLENFIELD AVENUE, BITTERNE SO18 4EU | Semi-detached | £550,000 | 19 Dec 2025 |
108, CHERITON AVENUE SO18 5HP | Terraced | £279,950 | 19 Dec 2025 |
46, CLIFTON GARDENS, WEST END SO18 3DA | Detached | £525,000 | 19 Dec 2025 |
23, CULVERY GARDENS, WEST END SO18 3ND | Detached | £550,000 | 18 Dec 2025 |
7, OLIVER ROAD SO18 2JQ | Semi-detached | £375,000 | 17 Dec 2025 |
21, NORTHFIELD ROAD SO18 2PS | Semi-detached | £275,000 | 16 Dec 2025 |
The most recent recorded sale in SO18 was a flat/maisonette property on Thornhill Park Road for £77,000 in January 2026. Across the last 20 sales, the median price was £310,000.