Over the past 29 years, there have been 43 property sales recorded in the CM21 9AT postcode area. The highest sale price reached £1,200,000, while the most recent sale was for a terraced house sold in February 2025 for £505,000.

The estimated average property value in CM21 9AT currently stands at £731,635, which is approximately 37.7% 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 £5,297.

Property prices in CM21 9AT have risen by 1.9% over the past year , with a total increase of 13.3% over the past five years, and a long-term rise of 40.7% over the past decade.

The most common type of property sold in the area is terraced, making up around 37% of transactions , followed by detached and semi-detached.

Housing in CM21 9AT is predominantly owner-occupied, with an estimated 94% of homes being lived in by the owners.

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Property Sales

10 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£1,036,802
streetscan.co.uk estimate
16 Aug 1996
£170,000

12 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Semi-detached
🛏️ 7bed
📐 1582 sq ft
Today
£867,446
streetscan.co.uk estimate
9 Jun 2015
£606,137
More details

13 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 4bed
📐 603 sq ft
Today
£414,834
streetscan.co.uk estimate
17 Dec 2021
£375,000
25 Oct 2013
£210,000
View +1 more
More details

14 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Semi-detached
🛏️ 4bed
📐 872 sq ft
Today
£438,319
streetscan.co.uk estimate
12 May 2010
£236,500
28 Jun 2006
£222,000
View +3 more
More details

15 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£264,403
streetscan.co.uk estimate
5 Nov 2007
£194,000

16 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£1,016,552
streetscan.co.uk estimate
13 Dec 2022
£985,000
31 Mar 2017
£795,000

17A Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Detached
🛏️ 6bed
📐 1884 sq ft
Today
£940,766
streetscan.co.uk estimate
14 Apr 2016
£745,000
More details

18 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 4bed
📐 915 sq ft
Today
£463,134
streetscan.co.uk estimate
26 Aug 2004
£229,995
22 Nov 1996
£85,250
More details

2 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 6bed
📐 2007 sq ft
Today
£728,107
streetscan.co.uk estimate
7 Nov 2014
£500,000
3 Sep 2010
£435,000
View +1 more
More details

20 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 4bed
📐 1184 sq ft
Today
£688,869
streetscan.co.uk estimate
21 May 2020
£598,000
11 Feb 2014
£470,000
View +1 more
More details

21 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Detached
🛏️ bed
📐 2519 sq ft
Today
£419,106
streetscan.co.uk estimate
29 Aug 2014
£279,000
15 Jan 2013
£499,950
More details

25 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 6bed
📐 1087 sq ft
Today
£553,112
streetscan.co.uk estimate
12 Jan 2004
£250,000
14 Mar 1997
£61,000
More details

25A Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Semi-detached
🛏️ bed
📐 1023 sq ft
Today
£522,947
streetscan.co.uk estimate
6 Feb 2025
£505,000
19 Jul 2019
£420,000
More details

25B Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ bed
📐 1163 sq ft
Today
£543,554
streetscan.co.uk estimate
27 Aug 2019
£465,000
More details

25C Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Detached
🛏️ bed
📐 1367 sq ft
Today
£637,165
streetscan.co.uk estimate
21 Jun 2019
£550,000
More details

25D Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ bed
📐 1130 sq ft
Today
£440,202
streetscan.co.uk estimate
26 Apr 2019
£380,000
30 Jun 2017
£500,000
More details

2A Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Semi-detached
🛏️ 4bed
📐 797 sq ft
Today
£392,514
streetscan.co.uk estimate
31 Aug 2018
£342,000
3 Mar 2006
£195,000
More details

4 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Detached
🛏️ 10bed
📐 3035 sq ft
Today
£2,166,261
streetscan.co.uk estimate
29 Jun 2010
£1,200,000
More details

6 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£1,331,168
streetscan.co.uk estimate
21 Feb 2006
£642,500

8 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Detached
🛏️ 7bed
📐 1602 sq ft
Today
£1,042,169
streetscan.co.uk estimate
12 Nov 1998
£250,000
More details

9 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

🏠 Terraced
🛏️ 4bed
📐 623 sq ft
Today
£368,962
streetscan.co.uk estimate
29 Aug 2012
£211,500
29 Jun 2007
£194,000
More details

Blenheim House, 23 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£723,404
streetscan.co.uk estimate
25 Nov 2013
£430,000
28 Apr 2006
£395,000

Eden House, 21A Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£1,069,001
streetscan.co.uk estimate
16 Feb 2022
£1,000,000

Tregonna House, 21 Knight Street, Sawbridgeworth, East Hertfordshire, Hertfordshire, CM21 9AT

Today
£1,124,594
streetscan.co.uk estimate
27 Sep 2021
£1,000,000

Area Insights

Data Sources

Properties at CM21 9AT appear fourty-three times in the Land Registry records, with the latest transaction recorded on 6 Feb 2025. It also has seventeen Energy Performance Certificates (EPC) entries, the earliest dating back to 22 Oct 2011. 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.