Area guide
Everything you need to know about buying property in the SL1 postcode area, covering Slough and surrounding areas. All price data sourced from HM Land Registry — updated July 2026.
Average price
£240,011
Median price
£195,000
5-year trend
+700.6%
Total sales
36,640
The SL1 area has 1,286 individual postcodes with 36,640 registered sales. Prices are +39.5% below the national average, with the largest concentration in Slough. The five-year price movement is +700.6%.
A Berkshire commercial town with excellent rail links to London Paddington, a large logistics and data centre sector and diverse housing at varying price points.
🚆 Main station
Slough
⏱️ London commute
~18 min by train
With an average of £240,011, SL1 is a mid-range area, +39.5% 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 36,640 recorded sales across 1,286 postcodes.
The five-year price trend in SL1 is +700.6%, significantly outpacing many other areas. This level of growth may reflect improving local amenities, transport links or broader regeneration.
SL1 2DA
£131,590 avg · 268 sales
SL1 6PP
£112,917 avg · 188 sales
SL1 6PG
£109,617 avg · 185 sales
SL1 5UB
£201,570 avg · 167 sales
SL1 2JP
£117,331 avg · 163 sales
SL1 1ER
£188,257 avg · 151 sales
SL1 1YL
£244,323 avg · 150 sales
SL1 9JA
£163,747 avg · 149 sales
SL1 2GB
£114,309 avg · 147 sales
This SL1 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 SL1 postcode area is £240,011, based on 36,640 HM Land Registry transactions. The largest town in this area is Slough.
Properties in SL1 average £240,011, which is +39.5% below the national average of £396,803 for England and Wales.
The median price (£195,000) is 18.8% below the average (£240,011), 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 SL1 have moved +700.6% 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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