Over the past 28 years, there have been 18 property sales recorded in the SG12 9SN postcode area. The highest sale price reached £1,667,500, while the most recent sale was a property sold in December 2025 for £1,150,000.

The estimated average property value in SG12 9SN currently stands at £1,219,392, which is approximately 184% 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 £6,022.

Property prices in SG12 9SN have risen by 1.5% over the past year , with a total increase of 17% over the past five years , and a long-term rise of 45.8% over the past decade .

The most common type of property sold in the area is detached, making up around 72% of transactions , followed by other and flat.

Housing in SG12 9SN is mixed, with 50% of homes being , indicating a diverse residential makeup.

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Property Sales

1, Amwell Lodge Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Detached
🛏️ 8bed
📐 2325 sq ft
Today
£949,772
streetscan.co.uk estimate
20 Nov 2002
£400,000
More details

Filmer Cottage Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£1,144,498
streetscan.co.uk estimate
16 Dec 2025
£1,150,000

Flint Cottage Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£1,232,227
streetscan.co.uk estimate
27 Aug 1997
£250,000

1, Great Amwell House Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£1,327,606
streetscan.co.uk estimate
3 Mar 2009
£661,250
29 Jul 2005
£480,000

2, Great Amwell House Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Terraced
🛏️ 7bed
📐 2932 sq ft
Today
£1,801,392
streetscan.co.uk estimate
11 Dec 2023
£1,650,000
28 Feb 2020
£975,000
View +1 more
More details

Flat C, Great Amwell House Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Flat
🛏️ 4bed
📐 883 sq ft
Today
£511,880
streetscan.co.uk estimate
31 Oct 1997
£125,000
More details

House A, Great Amwell House Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£1,485,989
streetscan.co.uk estimate
19 Sep 2006
£773,000

Holly Gate Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Detached
🛏️ bed
📐 4306 sq ft
Today
£1,284,093
streetscan.co.uk estimate
19 May 2021
£1,110,000
6 Mar 2008
£750,000
More details

Myrtlebank Cottage Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Detached
🛏️ 9bed
📐 2626 sq ft
Today
£1,717,718
streetscan.co.uk estimate
11 Oct 2023
£1,650,000
6 May 2005
£700,000
View +1 more
More details

The Homestead Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£6,207
streetscan.co.uk estimate
15 Nov 2018
£6,000

The Stable House Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

🏠 Detached
🛏️ 7bed
📐 1884 sq ft
Today
£1,762,398
streetscan.co.uk estimate
28 Nov 2023
£1,667,500
More details

Willows Cautherly Lane, Great Amwell, Ware, East Hertfordshire, Hertfordshire, SG12 9SN

Today
£1,906,977
streetscan.co.uk estimate
6 Jun 2007
£1,025,000

Area Insights

Data Sources

Properties at SG12 9SN appear eighteen times in the Land Registry records, with the latest transaction recorded on 16 Dec 2025. It also has six Energy Performance Certificates (EPC) entries, the earliest dating back to 22 Jan 2009. 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.