Over the past 29 years, there have been 163 property sales recorded in the NP26 3FB postcode area. The highest sale price reached £375,000, while the most recent sale was for a terraced house sold in October 2025 for £240,000.

The estimated average property value in NP26 3FB currently stands at £324,362, 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 £3,853.

Property prices in NP26 3FB have risen by 6.5% over the past year , with a total increase of 27.1% over the past five years , and a long-term rise of 68.4% over the past decade .

The most common type of property sold in the area is semi-detached, making up around 42% of transactions , followed by detached and terraced.

Housing in NP26 3FB is predominantly owner-occupied, with an estimated 84% of homes being lived in by the owners.

Click on the map to change the analyzed area

Property Sales

1 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£463,145
streetscan.co.uk estimate
27 Mar 1997
£90,950

10 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£343,007
streetscan.co.uk estimate
16 Nov 2001
£105,700
5 Jun 1997
£83,000

11 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 1259 sq ft
Today
£383,892
streetscan.co.uk estimate
22 Jul 2022
£375,000
6 Mar 1998
£96,450
More details

12 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£252,592
streetscan.co.uk estimate
9 May 2002
£79,950
12 Jan 2001
£73,000
20 Dec 1996
£57,950

14 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 452 sq ft
Today
£249,439
streetscan.co.uk estimate
10 Apr 2000
£56,500
3 Feb 1997
£45,500
More details

15 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 4bed
📐 958 sq ft
Today
£352,868
streetscan.co.uk estimate
3 Mar 2023
£355,000
22 Aug 1997
£88,000
More details

16 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 581 sq ft
Today
£216,396
streetscan.co.uk estimate
5 Oct 2005
£125,000
26 Apr 2000
£53,000
View +1 more
More details

17 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£418,613
streetscan.co.uk estimate
7 Nov 1997
£88,950

18 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 4bed
📐 753 sq ft
Today
£247,889
streetscan.co.uk estimate
11 Aug 2014
£153,000
15 Dec 2005
£154,000
View +4 more
More details

19 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 5bed
📐 1163 sq ft
Today
£345,110
streetscan.co.uk estimate
28 Jun 2024
£346,500
23 Jun 2021
£285,000
View +4 more
More details

2 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£379,974
streetscan.co.uk estimate
24 Oct 2006
£225,000
28 May 1999
£103,500

20 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 7bed
📐 971 sq ft
Today
£358,671
streetscan.co.uk estimate
10 Mar 2017
£249,950
2 Jun 2006
£198,000
View +2 more
More details

21 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£398,752
streetscan.co.uk estimate
30 Apr 1999
£89,950
21 Nov 1997
£93,750

22 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 5bed
📐 1119 sq ft
Today
£362,337
streetscan.co.uk estimate
1 Sep 2023
£370,000
1 Oct 1999
£86,950
View +1 more
More details

23 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 5bed
📐 818 sq ft
Today
£273,379
streetscan.co.uk estimate
4 Oct 2023
£275,000
1 Aug 2003
£102,500
View +2 more
More details

24 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£407,271
streetscan.co.uk estimate
5 Sep 1997
£86,950

25 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 6bed
📐 1636 sq ft
Today
£339,020
streetscan.co.uk estimate
12 Dec 2022
£335,000
11 Jul 1997
£49,500
More details

26 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 710 sq ft
Today
£263,666
streetscan.co.uk estimate
1 Sep 2006
£154,500
12 Sep 2003
£118,000
View +3 more
More details

27 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£293,252
streetscan.co.uk estimate
1 Nov 2019
£234,950
26 Apr 2013
£162,500
View +3 more
More details

28 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£297,116
streetscan.co.uk estimate
25 Sep 1997
£58,425

29 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£259,024
streetscan.co.uk estimate
6 Feb 2025
£258,000
30 May 2001
£76,000
View +1 more
More details

3 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£345,594
streetscan.co.uk estimate
17 Mar 2005
£185,500
9 Mar 2001
£97,000
19 Nov 1998
£79,500

30 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£420,485
streetscan.co.uk estimate
23 Jun 2000
£109,250
31 Mar 1998
£94,950

31 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£267,620
streetscan.co.uk estimate
8 Sep 2025
£270,000
13 Apr 2007
£159,995
View +3 more
More details

32 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 1281 sq ft
Today
£352,128
streetscan.co.uk estimate
13 Nov 2020
£300,000
17 Dec 1999
£99,450
More details

33 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 753 sq ft
Today
£266,131
streetscan.co.uk estimate
21 Dec 2020
£228,000
2 Sep 2014
£167,000
View +3 more
More details

34 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 7bed
📐 1184 sq ft
Today
£394,048
streetscan.co.uk estimate
10 Feb 2014
£225,000
28 Jun 2002
£139,000
View +1 more
More details

35 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 721 sq ft
Today
£257,114
streetscan.co.uk estimate
8 May 2024
£250,000
20 Aug 2018
£215,000
View +5 more
More details

36 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 1249 sq ft
Today
£384,885
streetscan.co.uk estimate
17 Mar 2000
£98,450
More details

37 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 764 sq ft
Today
£278,300
streetscan.co.uk estimate
28 Feb 2017
£187,000
17 Aug 1999
£66,500
View +1 more
More details

38 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 5bed
📐 1119 sq ft
Today
£331,000
streetscan.co.uk estimate
12 Feb 2021
£290,000
17 Mar 2000
£91,950
More details

39 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 3bed
📐 689 sq ft
Today
£194,774
streetscan.co.uk estimate
2 Jan 2024
£189,000
28 Jul 2021
£170,000
View +2 more
More details

4 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£372,592
streetscan.co.uk estimate
30 May 2006
£215,000
26 Feb 1999
£98,995

40 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£414,085
streetscan.co.uk estimate
20 Apr 2000
£103,000

41 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£309,222
streetscan.co.uk estimate
6 May 1998
£60,500

42 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 1044 sq ft
Today
£347,904
streetscan.co.uk estimate
30 Apr 2021
£295,000
24 May 2013
£189,950
View +3 more
More details

43 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£297,722
streetscan.co.uk estimate
6 May 1998
£58,250

45 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 560 sq ft
Today
£236,798
streetscan.co.uk estimate
14 Jun 2019
£190,000
18 Sep 2015
£143,000
View +3 more
More details

47 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 3bed
📐 689 sq ft
Today
£244,535
streetscan.co.uk estimate
12 Jun 2020
£195,000
27 Apr 2017
£149,000
View +2 more
More details

49 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 878 sq ft
Today
£264,622
streetscan.co.uk estimate
12 Nov 2010
£148,000
12 Jun 1998
£64,550
More details

5 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 7bed
📐 1130 sq ft
Today
£392,525
streetscan.co.uk estimate
20 Jul 2015
£243,500
9 Mar 2006
£225,000
View +2 more
More details

51 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 4bed
📐 721 sq ft
Today
£258,592
streetscan.co.uk estimate
4 Dec 2015
£166,000
3 Sep 2004
£137,000
View +2 more
More details

53 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 570 sq ft
Today
£210,088
streetscan.co.uk estimate
24 Sep 2014
£130,500
28 Jul 2006
£129,950
View +3 more
More details

55 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 570 sq ft
Today
£246,221
streetscan.co.uk estimate
28 Aug 2001
£66,000
31 Mar 1999
£49,500
More details

57 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 861 sq ft
Today
£242,720
streetscan.co.uk estimate
28 Jun 2024
£242,000
26 Apr 2024
£167,495
View +2 more
More details

59 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£286,391
streetscan.co.uk estimate
19 May 1999
£59,995

6 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 5bed
📐 1059 sq ft
Today
£324,090
streetscan.co.uk estimate
23 Nov 2006
£189,950
9 Jun 2000
£97,500
View +1 more
More details

61 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 3bed
📐 549 sq ft
Today
£227,705
streetscan.co.uk estimate
30 Apr 1999
£47,251
More details

63 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Semi-detached
🛏️ 4bed
📐 743 sq ft
Today
£240,882
streetscan.co.uk estimate
30 Aug 2024
£243,500
7 Feb 2020
£226,000
View +4 more
More details

65 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 581 sq ft
Today
£232,191
streetscan.co.uk estimate
3 Oct 2025
£240,000
2 Jul 2018
£172,000
View +3 more
More details

67 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Terraced
🛏️ 3bed
📐 689 sq ft
Today
£198,072
streetscan.co.uk estimate
11 Jul 2007
£124,995
14 Nov 2003
£100,000
View +1 more
More details

69 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 7bed
📐 1389 sq ft
Today
£356,676
streetscan.co.uk estimate
2 Jul 2014
£213,000
7 Dec 1999
£102,450
More details

7 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 1183 sq ft
Today
£361,959
streetscan.co.uk estimate
8 Aug 2013
£208,500
12 Apr 2002
£123,000
View +1 more
More details

8 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

Today
£318,933
streetscan.co.uk estimate
14 Nov 1997
£62,400

9 Rockfield Grove, Undy, Caldicot, Monmouthshire, NP26 3FB

🏠 Detached
🛏️ 6bed
📐 969 sq ft
Today
£418,119
streetscan.co.uk estimate
30 May 1997
£82,950
More details

Area Insights

Data Sources

Properties at NP26 3FB appear one hundred and sixty-three times in the Land Registry records, with the latest transaction recorded on 3 Oct 2025. It also has thirty-nine Energy Performance Certificates (EPC) entries, the earliest dating back to 20 Jun 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.