Price study · 2026

Property prices in SO18.

The median sold price in SO18 is £275,000, +3.8% year on year, across 368 HM Land Registry transactions in the last 12 months.

Median sold price
£275,000
Last 12 months · all types
Year on year
+3.8%
Median vs prior 12 months
Recorded sales
368
HMLR transactions, 12 months

Sold-price trend

Median sold price over time · monthly · hover or tap the line for the figure
Median sold-price trend for SO18
MonthMedian sold priceSales
2024-01£242,50033
2024-02£227,00029
2024-03£250,00045
2024-04£240,00032
2024-05£280,00043
2024-06£275,00052
2024-07£263,50050
2024-08£268,00049
2024-09£280,00057
2024-10£254,87562
2024-11£285,00052
2024-12£191,00075
2025-01£268,75046
2025-02£248,00045
2025-03£285,00079
2025-04£225,00018
2025-05£222,50042
2025-06£285,00039
2025-07£275,00046
2025-08£265,71061
2025-09£230,00045
2025-10£260,00045
2025-11£248,00049
2025-12£300,50058
2026-01£280,00037
2026-02£318,00039
2026-03£257,50050
2026-04£257,00034
2026-05£282,50032
2026-06£300,00024
2026-07£275,00039
2026-08£260,50018
2026-09—0
2026-10—0
2026-11—0

Price by property type

TypeMedianSales
Flat / maisonette £148,750 100
Detached £390,000 93
Semi-detached £320,000 89
Terraced £262,000 80
Other £275,000 6

Sectors — highest & lowest

Min 5 sales
Top 5
SO18 3£325,000
SO18 1£280,000
SO18 2£275,000
SO18 5£270,500
SO18 4£264,550
Bottom 1
SO18 6£250,000
The spread between the top and bottom postcode sector is why street-level valuation beats the city average.

What's selling now vs two years ago

TypeNow2y agoChange
Flat / maisonette 27.2% 29.1% -1.9 pp
Detached 25.3% 22.1% +3.2 pp
Semi-detached 24.2% 24.8% -0.6 pp
Terraced 21.7% 19.9% +1.8 pp
Other 1.6% 4.1% -2.5 pp

Most recent recorded sales

HM Land Registry · addresses abbreviated
OutcodeStreetTypeTenureSoldPrice
SO18 Midanbury Lane, Southampton Detached Freehold 2026-08-24 £342,000
SO18 Mountain Ash Close, Southampton Semi-detached Freehold 2026-08-18 £297,500
SO18 Walnut Avenue, Southampton Terraced Freehold 2026-08-17 £236,000
SO18 Bitterne Road East, Southampton Semi-detached Freehold 2026-08-14 £330,000
SO18 Meadowside Close, Southampton Terraced Freehold 2026-08-14 £202,500
SO18 Macnaghten Road, Southampton Semi-detached Freehold 2026-08-14 £271,000
SO18 Redcote Close, Southampton Flat / maisonette Leasehold 2026-08-14 £180,000
SO18 Bitterne Road East, Southampton Detached Freehold 2026-08-14 £382,500
SO18 Midanbury Lane, Southampton Flat / maisonette Leasehold 2026-08-14 £180,000
SO18 Cornwall Road, Southampton Flat / maisonette Leasehold 2026-08-12 £170,000
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More about SO18

Property prices in towns near SO18

FAQ: property prices in SO18

What is the average property price in SO18?

Based on HM Land Registry sold-price data from the last 12 months, the median sold price in SO18 is £275,000 across 368 recorded transactions. Prices are +3.8% year on year. See the table on this page for a breakdown by property type.

How much is my property worth in SO18?

Your specific property's value depends on its size, condition, garden, tenure and exact street. Run an Offrly valuation: photo-aware AI prices your home against live comparable listings around it to give an address-specific estimate in about 30 seconds, with the price bracket free.

Where does SO18 property-price data come from?

All medians, means and recent sold prices on this page are computed from HM Land Registry Price Paid Data, published monthly under the Open Government Licence v3.0. Offrly adds no markup or adjustment to the raw public figures.

Are property prices rising or falling in SO18?

Over the last 12 months the SO18 median is +3.8% compared to the prior 12 months. See the sold-price trend on this page for the shape.

Source: HM Land Registry Price Paid Data, licensed under Open Government Licence v3.0. Offrly estimates are indicative market guidance — not regulated valuations and not financial, tax or legal advice.

How these numbers are calculated

Every figure on this page comes from HM Land Registry Price Paid Data (HMLR), licensed under the Open Government Licence v3.0. No assumptions or proprietary models are layered on top — this is unmodified HMLR truth.

  1. Median sold price (hero). The middle value of every SO18 sale recorded in HMLR Price Paid Data over the last 12 months. Median (rather than mean) is used because it isn't skewed by individual high-value sales.
  2. Year-on-year change. Formula: (medianlast 12mo − medianprior 12mo) ÷ medianprior 12mo. Both medians come from HMLR Price Paid Data.
  3. Recorded transactions. Count of HMLR records for SO18 in the last 12 months. The HMLR sale-to-registration lag typically runs 2 weeks to 2 months, so the most recent 1–2 months are necessarily incomplete and may revise upward.
  4. Sold-price trend. Median sold price for each calendar month over up to five years — or for each week, on ranges of six months or less where there are enough sales — drawn from HMLR Price Paid Data. The latest months, still inside HMLR's ~4–6 week registration lag, are left off the line.
  5. Price by property type. Same median calculation as the hero, grouped by HMLR's property-type code (Detached / Semi / Terraced / Flat / Other). A type-specific median is suppressed when fewer than 5 transactions are recorded for the type so a single sale doesn't dominate the figure.
  6. Postcode breakdown (top / bottom). For each postcode within SO18, the median of HMLR sales over the last 12 months. Postcodes with fewer than 5 recorded sales are excluded so the leaderboard reflects genuine market segments rather than one-off transactions.
  7. Mix shift (now vs. two years ago). Share of HMLR transactions by property type in the last 12 months minus the share in the 12 months ending two years ago. Reported in percentage points (pp).
  8. Recent sold comparables. The 10 most recent records for SO18 from HMLR Open Data. Each row is a real recorded sale; addresses are abbreviated (no house number) for the open dataset.