Area guide
Everything you need to know about buying property in the SG18 postcode area, covering Biggleswade and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.
Average price
£241,563
Median price
£219,000
5-year trend
+34.2%
Total sales
18,853
The SG18 area has 657 individual postcodes with 18,853 registered sales. Prices are +39.1% below the national average, with the largest concentration in Biggleswade. The five-year price movement is +34.2%.
With an average of £241,563, SG18 is a mid-range area, +39.1% below the national average. Mid-range areas typically offer a broad selection of property types for first-time buyers and second-steppers. The dataset includes 18,853 recorded sales across 657 postcodes.
The five-year price trend in SG18 is +34.2%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.
SG18 8QQ
£116,145 avg · 242 sales
SG18 8ST
£105,224 avg · 194 sales
SG18 8HW
£117,042 avg · 188 sales
SG18 8BP
£159,273 avg · 183 sales
SG18 8GA
£281,691 avg · 148 sales
SG18 0LS
£158,524 avg · 147 sales
SG18 8WD
£238,194 avg · 139 sales
SG18 8HR
£94,715 avg · 134 sales
SG18 8DZ
£160,109 avg · 132 sales
This SG18 area guide is based on HM Land Registry Price Paid Data, covering registered residential property sales in England and Wales from January 1995 onwards. All figures are historical sold prices, not current valuations or asking prices.
Data last updated: July 2026 · View methodology
The average sold price in the SG18 postcode area is £241,563, based on 18,853 HM Land Registry transactions. The largest town in this area is Biggleswade.
Properties in SG18 average £241,563, which is +39.1% below the national average of £396,803 for England and Wales.
The median price (£219,000) is 9.3% below the average (£241,563), suggesting a mix of property types or a few high-value sales pulling the mean upward. This is common in areas with both affordable and premium housing.
Prices in SG18 have moved +34.2% over five years, reflecting broader UK house price growth. The large sample size gives confidence in this trend.
No. All figures on this page are historical completed sale prices from HM Land Registry Price Paid Data. They are not current valuations, estate agent asking prices, or financial advice. Always seek professional advice before making property decisions.
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