Over the past 30 years, there have been 52 property sales recorded in the SL3 8RN postcode area. The highest sale price reached £560,000, while the most recent sale was a property sold in November 2025 for £495,000.

The estimated average property value in SL3 8RN currently stands at £421,659, which is roughly in line with the city average (within ±8%), suggesting property prices reflect broader market trends.

In terms of size, the average price per square metre is approximately £5,813.

Property prices in SL3 8RN have risen by 3.1% over the past year , with a total increase of 20.1% over the past five years , and a long-term rise of 55.4% over the past decade .

The most common type of property sold in the area is terraced, making up around 71% of transactions , followed by semi-detached.

Housing in SL3 8RN is predominantly owner-occupied, with an estimated 60% of homes being lived in by the owners.

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Property Sales

12 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 843 sq ft
Today
£375,681
streetscan.co.uk estimate
31 Jul 2009
£175,000
30 Mar 2001
£123,000
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14 Trelawney Avenue, Slough, SL3 8RN

Today
£430,829
streetscan.co.uk estimate
28 Mar 2002
£138,000
26 Jan 1996
£57,500

16 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 732 sq ft
Today
£418,998
streetscan.co.uk estimate
14 May 2012
£214,000
24 Sep 1997
£76,000
More details

18 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£422,813
streetscan.co.uk estimate
25 Nov 2005
£192,000
29 May 1997
£69,000
More details

2 Trelawney Avenue, Langley, Slough, SL3 8RN

Today
£506,537
streetscan.co.uk estimate
27 Mar 2025
£510,000
11 Oct 2010
£250,000
26 Aug 2003
£205,000
15 Jun 1999
£102,000
5 Dec 1997
£98,000

20 Trelawney Avenue, Langley, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 688 sq ft
Today
£469,520
streetscan.co.uk estimate
29 Jun 2021
£420,000
5 Sep 2003
£153,000
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22 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 936 sq ft
Today
£495,586
streetscan.co.uk estimate
27 Apr 2016
£392,500
27 Nov 2006
£203,000
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More details

24 Trelawney Avenue, Slough, SL3 8RN

🏠 Semi-detached
🛏️ 4bed
📐 786 sq ft
Today
£385,882
streetscan.co.uk estimate
10 Dec 2010
£192,000
More details

26 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 764 sq ft
Today
£479,694
streetscan.co.uk estimate
31 May 2012
£245,000
28 Aug 2009
£215,000
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28 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 807 sq ft
Today
£399,296
streetscan.co.uk estimate
17 Jul 2009
£186,000
More details

2A Trelawney Avenue, Slough, SL3 8RN

🏠 Semi-detached
🛏️ 3bed
📐 570 sq ft
Today
£314,531
streetscan.co.uk estimate
30 Aug 2013
£170,000
26 Feb 2004
£167,000
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2B Trelawney Avenue, Langley, Slough, SL3 8RN

Today
£405,826
streetscan.co.uk estimate
8 May 2018
£350,000
17 Nov 2014
£236,553
22 Mar 2012
£180,000
21 Nov 2003
£164,000
30 Jul 1999
£94,950

32 Trelawney Avenue, Langley, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£430,173
streetscan.co.uk estimate
16 Mar 2018
£369,680
17 Apr 2013
£225,000
More details

34 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 743 sq ft
Today
£417,498
streetscan.co.uk estimate
12 Jul 2013
£229,950
More details

36 Trelawney Avenue, Slough, SL3 8RN

Today
£404,832
streetscan.co.uk estimate
28 Apr 2006
£188,000
1 Apr 1999
£89,000

4 Trelawney Avenue, Langley, Slough, SL3 8RN

Today
£506,374
streetscan.co.uk estimate
10 Nov 2025
£495,000
18 Apr 2008
£215,000

40 Trelawney Avenue, Langley, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£424,535
streetscan.co.uk estimate
26 Oct 2022
£415,000
More details

42 Trelawney Avenue, Langley, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£400,846
streetscan.co.uk estimate
9 Aug 2019
£348,000
More details

44 Trelawney Avenue, Slough, SL3 8RN

🏠 Semi-detached
🛏️ 5bed
📐 721 sq ft
Today
£372,371
streetscan.co.uk estimate
30 Mar 2012
£190,000
More details

46 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 743 sq ft
Today
£422,175
streetscan.co.uk estimate
19 Nov 2004
£188,000
14 Oct 1996
£63,700
More details

48 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 743 sq ft
Today
£377,054
streetscan.co.uk estimate
5 Nov 2010
£190,000
More details

50 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 4bed
📐 743 sq ft
Today
£392,533
streetscan.co.uk estimate
14 Mar 2008
£207,000
More details

52 Trelawney Avenue, Slough, SL3 8RN

🏠 Terraced
🛏️ 5bed
📐 732 sq ft
Today
£416,000
streetscan.co.uk estimate
26 Jun 2009
£195,000
More details

8 Trelawney Avenue, Langley, Slough, SL3 8RN

Today
£556,198
streetscan.co.uk estimate
28 Mar 2025
£560,000
10 Dec 2004
£197,000
11 May 2001
£110,000

Area Insights

Data Sources

Properties at SL3 8RN appear fifty-two times in the Land Registry records, with the latest transaction recorded on 10 Nov 2025. It also has twenty-three Energy Performance Certificates (EPC) entries, the earliest dating back to 4 Sep 2021. We use this data, to estimate the property's characteristics and current market value.

This website uses public sector information from:

These datasets are licensed under the Open Government Licence v3.0.
This website is not affiliated with or endorsed by HM Land Registry or DLUHC.

Disclaimer: StreetScan.co.uk makes all reasonable efforts to ensure the information provided on this website is current and accurate; however, no warranties or representations are made as to its completeness or accuracy. StreetScan.co.uk expressly disclaims any and all liability for any loss, damage, or expense arising directly or indirectly from the use of, or reliance upon, such information.