House Prices in SL1 1GZ

Slough 63 properties Avg. price: £228,057
63
Properties
£228K
Average Price
£163K
Lowest Sale
£500K
Highest Sale

Market overview

# SL1 1GZ Area Summary

SL1 1GZ is located in Slough, Berkshire, positioned in the heart of this major Thames Valley town. The postcode falls within the SL1 district, covering the town centre and surrounding areas. With 63 properties analysed and an average price of £228,057, this area represents a notably affordable entry point compared to much of the South East region, making it particularly attractive to first-time buyers and investors seeking proximity to London without the capital's premium price tags.

The property market here offers considerable value, with average prices sitting well below regional averages for the Home Counties. Slough's ongoing regeneration projects and excellent transport links – including fast rail connections to London Paddington (approximately 20 minutes) and proximity to Heathrow Airport – continue to underpin local demand. The town centre benefits from significant commercial investment, with major employers including Mars, O2, and various tech companies contributing to a diverse local economy.

This area appeals primarily to commuters, young professionals, and families seeking more affordable housing within easy reach of London and the M4 corridor. The lower price point compared to neighbouring Berkshire towns like Windsor or Maidenhead reflects Slough's more urban character, though ongoing town centre improvements and infrastructure investment suggest potential for future capital growth.

AI-generated market summary · Updated 23 Sep 2026

Price Trends

Properties in SL1 1GZ

63 total
Flat 11, 1, William Street, Slough, SL1 1GZ Flat / Maisonette C £187,500 26 Mar 2024 Flat 28, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £202,500 30 Oct 2023 Flat 16, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £199,950 19 Oct 2023 Flat 54, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £232,750 23 Jun 2023 Flat 44, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £224,000 22 Jun 2023 Flat 46, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £222,250 31 Mar 2023 Flat 18, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £211,750 31 Mar 2023 Flat 57, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £225,750 31 Mar 2023 Flat 25, 1, William Street, Slough, SL1 1GZ Flat / Maisonette C £203,000 30 Mar 2023 Flat 15, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £199,950 6 Mar 2023 Flat 50, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £231,000 24 Feb 2023 Flat 38, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £218,750 10 Feb 2023 Flat 34, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £220,500 7 Feb 2023 Flat 27, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £203,000 27 Jan 2023 Flat 10, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £325,000 22 Dec 2022 Flat 59, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £175,000 22 Dec 2022 Flat 26, 1, William Street, Slough, SL1 1GZ Flat / Maisonette C £203,000 20 Dec 2022 Flat 31, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £162,750 16 Dec 2022 Flat 60, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £236,250 16 Dec 2022 Flat 13, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £199,950 30 Nov 2022 Flat 36, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £217,000 3 Nov 2022 Flat 42, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £227,500 28 Oct 2022 Flat 63, 1, William Street, Slough, SL1 1GZ Flat / Maisonette C £178,500 28 Oct 2022 Flat 58, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £360,000 27 Oct 2022 Flat 55, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £171,500 20 Oct 2022 Flat 24, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £320,000 20 Oct 2022 Flat 39, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £166,250 14 Oct 2022 Flat 40, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £166,250 7 Oct 2022 Flat 30, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £213,500 30 Sep 2022 Flat 35, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £164,500 28 Sep 2022 Flat 43, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £166,250 9 Sep 2022 Flat 62, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £246,750 2 Sep 2022 Flat 56, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £327,500 2 Sep 2022 Flat 47, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £168,000 2 Sep 2022 Flat 45, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £168,000 26 Aug 2022 Flat 2, 1, William Street, Slough, SL1 1GZ Flat / Maisonette £195,000 8 Aug 2022 Flat 51, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £168,000 5 Aug 2022 Flat 61, 1, William Street, Slough, SL1 1GZ Flat / Maisonette C £232,750 29 Jul 2022 Flat 22, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £327,000 29 Jul 2022 Flat 41, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £166,250 22 Jul 2022 Flat 37, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £166,250 21 Jul 2022 Flat 53, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £218,750 21 Jul 2022 Flat 23, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £162,750 15 Jul 2022 Flat 29, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £162,750 15 Jul 2022 Flat 33, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £240,000 1 Jul 2022 Flat 14, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £200,000 27 May 2022 Flat 52, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £335,000 26 May 2022 Flat 4, 1, William Street, Slough, SL1 1GZ Flat / Maisonette £198,000 8 Apr 2022 Flat 17, 1, William Street, Slough, SL1 1GZ Flat / Maisonette B £234,000 4 Mar 2022 Flat 6, 1, William Street, Slough, SL1 1GZ Flat / Maisonette £300,000 18 Feb 2022

Frequently Asked Questions

What is the average house price in SL1 1GZ?

The average house price in SL1 1GZ, Slough is £228,057. Prices range from £162,750 to £500,000.

How many properties are in SL1 1GZ?

There are 63 properties in SL1 1GZ, Slough.

What types of properties are in SL1 1GZ?

SL1 1GZ contains 62 flat / maisonette properties, 1 other properties.

How have house prices changed in SL1 1GZ?

Average house prices in SL1 1GZ have fallen by 31.6% from £274,167 in 2021 to £187,500 in 2024.

Where is SL1 1GZ located?

SL1 1GZ is located in Slough, Slough, England.