Over the past 28 years, there have been 78 property sales recorded in the SY21 9PA postcode area. The highest sale price reached £305,000, while the most recent sale was for a semi-detached house sold in January 2026 for £230,000.

The estimated average property value in SY21 9PA currently stands at £282,575, which is approximately 28.6% higher than the city average, indicating a potentially more desirable or in-demand location.

In terms of size, the average price per square metre is approximately £2,972.

Property prices in SY21 9PA have risen by 0.8% over the past year , with a total increase of 28.2% over the past five years , and a long-term rise of 51.8% over the past decade .

The most common type of property sold in the area is detached, making up around 76% of transactions , followed by semi-detached.

Housing in SY21 9PA is predominantly owner-occupied, with an estimated 90% of homes being lived in by the owners.

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Property Sales

1 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£257,432
streetscan.co.uk estimate
25 Jun 2003
£112,500

1 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Detached
🛏️ 4bed
📐 936 sq ft
Today
£245,274
streetscan.co.uk estimate
21 Oct 2022
£260,000
More details

11 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£264,297
streetscan.co.uk estimate
29 Nov 2000
£77,000

12 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£304,593
streetscan.co.uk estimate
13 Dec 2001
£90,000

13 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£311,020
streetscan.co.uk estimate
17 Apr 2007
£210,000
5 Apr 2000
£63,000

14 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£288,200
streetscan.co.uk estimate
16 Aug 2010
£187,500
12 Dec 2006
£195,000

15 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£280,957
streetscan.co.uk estimate
15 Aug 2014
£185,000
23 Feb 2011
£197,000
25 Sep 1998
£85,000

16 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£285,476
streetscan.co.uk estimate
8 Apr 2005
£172,000
11 May 2004
£124,550

16 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Semi-detached
🛏️ 5bed
📐 840 sq ft
Today
£236,604
streetscan.co.uk estimate
12 Feb 2024
£230,000
More details

17 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£307,031
streetscan.co.uk estimate
10 Nov 2000
£89,450
30 Jun 1998
£73,000

18 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£203,471
streetscan.co.uk estimate
26 Jan 2018
£150,000

19 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£304,229
streetscan.co.uk estimate
24 Sep 1999
£79,950
24 Apr 1998
£75,903

2 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Detached
🛏️ 5bed
📐 861 sq ft
Today
£221,918
streetscan.co.uk estimate
16 Dec 2022
£230,000
29 Jan 2021
£185,000
More details

20 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£258,951
streetscan.co.uk estimate
18 Dec 2014
£170,000

21 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£307,309
streetscan.co.uk estimate
19 Mar 1998
£73,500

21 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£237,429
streetscan.co.uk estimate
12 Aug 2022
£240,000

22 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Semi-detached
🛏️ 4bed
📐 818 sq ft
Today
£260,401
streetscan.co.uk estimate
9 Sep 2019
£200,000
More details

23 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£351,000
streetscan.co.uk estimate
30 Oct 1998
£87,750

24 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£255,921
streetscan.co.uk estimate
20 Aug 2010
£166,500
30 Aug 2001
£37,000
10 Apr 2001
£74,750

25 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£238,528
streetscan.co.uk estimate
20 Mar 1998
£53,950

25 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Semi-detached
🛏️ 5bed
📐 797 sq ft
Today
£235,207
streetscan.co.uk estimate
28 Jan 2026
£230,000
More details

27 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£234,957
streetscan.co.uk estimate
17 Sep 2010
£154,000
19 Mar 1998
£53,950

27 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Semi-detached
🛏️ 5bed
📐 807 sq ft
Today
£228,580
streetscan.co.uk estimate
6 Jan 2023
£220,000
More details

29 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£292,675
streetscan.co.uk estimate
27 Feb 1998
£70,000

3 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£309,597
streetscan.co.uk estimate
9 Jul 1997
£71,000

3 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Detached
🛏️ 4bed
📐 818 sq ft
Today
£229,098
streetscan.co.uk estimate
25 Mar 2024
£230,000
More details

31 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£284,936
streetscan.co.uk estimate
18 Jan 2006
£175,000
6 Jun 2003
£149,950
30 Sep 1998
£73,862

31 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Detached
🛏️ 5bed
📐 980 sq ft
Today
£278,485
streetscan.co.uk estimate
30 Aug 2022
£281,500
More details

32 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£234,361
streetscan.co.uk estimate
18 Dec 2009
£150,000
12 Jun 1998
£53,950

33 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£296,985
streetscan.co.uk estimate
13 Feb 2002
£95,000
12 Jun 1998
£71,000

34 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£251,092
streetscan.co.uk estimate
10 Jul 1998
£58,000

34 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Semi-detached
🛏️ 5bed
📐 732 sq ft
Today
£226,766
streetscan.co.uk estimate
9 Aug 2024
£220,000
8 Nov 2018
£183,000
More details

35 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£305,793
streetscan.co.uk estimate
25 Apr 2017
£215,500
2 Jul 2004
£188,000
12 Mar 1999
£87,750

36 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£280,685
streetscan.co.uk estimate
25 Sep 1998
£71,000

37 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£338,667
streetscan.co.uk estimate
14 Mar 2002
£106,000
20 Nov 1998
£71,500

37 Oldcastle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

🏠 Detached
🛏️ 6bed
📐 1465 sq ft
Today
£333,535
streetscan.co.uk estimate
14 Dec 2018
£260,000
More details

38 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£298,174
streetscan.co.uk estimate
11 Dec 1998
£67,500

40 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£282,962
streetscan.co.uk estimate
9 Mar 2018
£212,500
2 Apr 2012
£170,000
14 Jul 2006
£182,000
4 Jan 1999
£71,000

42 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£275,837
streetscan.co.uk estimate
22 Nov 2013
£180,000
31 Jul 2006
£180,000
17 Jun 2004
£162,000
1 Oct 1998
£63,000

44 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£480,434
streetscan.co.uk estimate
1 Jun 2006
£305,000

46 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£308,160
streetscan.co.uk estimate
18 Sep 1998
£77,950

48 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£390,384
streetscan.co.uk estimate
29 Apr 2005
£234,000
23 Apr 1999
£94,000

50 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£332,325
streetscan.co.uk estimate
21 Feb 2003
£139,995
28 May 1999
£68,000

52 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£306,213
streetscan.co.uk estimate
18 May 2012
£195,000

6 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£309,489
streetscan.co.uk estimate
29 Apr 1999
£70,000

8 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£253,623
streetscan.co.uk estimate
29 Aug 2008
£168,000
17 Aug 2007
£185,000

9 Old Castle Avenue, Guilsfield, Welshpool, Powys, SY21 9PA

Today
£281,346
streetscan.co.uk estimate
17 Jan 2013
£179,995
6 May 2011
£180,000
15 Sep 2006
£190,500
1 Jun 2004
£162,000

Area Insights

Data Sources

Properties at SY21 9PA appear seventy-eight times in the Land Registry records, with the latest transaction recorded on 28 Jan 2026. It also has ten Energy Performance Certificates (EPC) entries, the earliest dating back to 21 Mar 2019. 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.