SG1 6AQ

Thirlmere, Stevenage

Median, last 3 years

£521,250

2 sales, Jun 2023 – May 2026

Last standard sale

£370,000

1 Sep 2025

Standard sales

since 1998 (+1 additional entry)

SG1 district median

£350,000

526 sales, 12 months to May 2026

By property type, Jun 2023 – May 2026: Detached sold for £672,500 · Terraced sold for £370,000

Medians count standard sales only (Price Paid category A). Additional entries (category B) - repossessions, buy-to-lets with an identifiable mortgage, and purchases by companies and other non-private buyers - are listed below but left out.

Median price by year

2011 to 2025. Every year since 1998 is in the figures below.

Paler bars rest on fewer than three sales, so they show which homes sold more than how prices moved.

Show the figures

Median sale price and number of sales by year
Year	Median	Sales
2025 (few sales)	£521,250	2
2022 (few sales)	£497,500	2
2021	£550,000	3
2019 (few sales)	£470,000	1
2017	£475,000	3
2016 (few sales)	£269,995	1
2015 (few sales)	£305,000	1
2014 (few sales)	£301,848	2
2013 (few sales)	£187,498	2
2012 (few sales)	£309,000	2
2011	£270,000	4
2009 (few sales)	£271,000	2
2008 (few sales)	£320,000	1
2007	£235,000	5
2006	£277,000	7
2005 (few sales)	£180,000	1
2003	£209,995	3
2002	£175,975	4
2001	£197,750	8
2000	£119,950	17
1999	£153,450	22
1998 (few sales)	£156,000	1

Sale history (95 records · 27 homes sold more than once)

Address	Date	Type	Price
65, THIRLMERE 1 Sep 2025 · Terraced · Freehold Previously £199,995 (May 2013) · +85%	1 Sep 2025	Terraced · Freehold	£370,000
71, THIRLMERE Cat B 13 Aug 2025 · Terraced · Freehold Previously £157,000 (Dec 2002)	13 Aug 2025	Terraced · Freehold	£440,000
27, THIRLMERE 1 Aug 2025 · Detached · Freehold Previously £161,950 (Sep 1999) · +315%	1 Aug 2025	Detached · Freehold	£672,500
3, THIRLMERE 12 Oct 2022 · Detached · Freehold Previously £312,000 (Nov 2011) · +79%	12 Oct 2022	Detached · Freehold	£560,000
75, THIRLMERE 30 Aug 2022 · Detached · Freehold Previously £305,000 (Apr 2015) · +43%	30 Aug 2022	Detached · Freehold	£435,000
39, THIRLMERE 29 Oct 2021 · Detached · Freehold Previously £320,000 (Jan 2008) · +72%	29 Oct 2021	Detached · Freehold	£550,000
83, THIRLMERE 1 Sep 2021 · Terraced · Freehold Previously £255,000 (Sep 2003) · +118%	1 Sep 2021	Terraced · Freehold	£556,000
53, THIRLMERE 14 Jan 2021 · Terraced · Freehold Previously £269,995 (Jul 2016) · +11%	14 Jan 2021	Terraced · Freehold	£300,000
33, THIRLMERE 15 Aug 2019 · Detached · Freehold Previously £316,000 (Mar 2012) · +49%	15 Aug 2019	Detached · Freehold	£470,000
85, THIRLMERE 22 Nov 2017 · Detached · Freehold Previously £295,000 (Jun 2011) · +69%	22 Nov 2017	Detached · Freehold	£500,000
41, THIRLMERE 20 Jul 2017 · Detached · Freehold Previously £147,950 (Nov 1999) · +201%	20 Jul 2017	Detached · Freehold	£445,000
19, THIRLMERE 25 Jan 2017 · Detached · Freehold Previously £334,995 (Mar 2014) · +42%	25 Jan 2017	Detached · Freehold	£475,000
53, THIRLMERE 22 Jul 2016 · Terraced · Freehold Previously £175,000 (Jul 2013) · +54%	22 Jul 2016	Terraced · Freehold	£269,995
75, THIRLMERE 20 Apr 2015 · Detached · Freehold Previously £245,000 (Dec 2011) · +24%	20 Apr 2015	Detached · Freehold	£305,000
79, THIRLMERE 1 Aug 2014 · Detached · Freehold Previously £235,000 (Dec 2007) · +14%	1 Aug 2014	Detached · Freehold	£268,700
19, THIRLMERE 27 Mar 2014 · Detached · Freehold Previously £189,950 (Oct 2001) · +76%	27 Mar 2014	Detached · Freehold	£334,995
53, THIRLMERE 22 Jul 2013 · Terraced · Freehold Previously £171,500 (Dec 2006) · +2%	22 Jul 2013	Terraced · Freehold	£175,000
65, THIRLMERE 26 May 2013 · Terraced · Freehold Previously £180,000 (Aug 2005) · +11%	26 May 2013	Terraced · Freehold	£199,995
31, THIRLMERE 3 Apr 2012 · Detached · Freehold Previously £151,950 (Jul 1999) · +99%	3 Apr 2012	Detached · Freehold	£302,000
33, THIRLMERE 2 Mar 2012 · Detached · Freehold Previously £332,500 (May 2007) · −5%	2 Mar 2012	Detached · Freehold	£316,000
75, THIRLMERE 19 Dec 2011 · Detached · Freehold Previously £189,000 (Sep 2003) · +30%	19 Dec 2011	Detached · Freehold	£245,000
3, THIRLMERE 30 Nov 2011 · Detached · Freehold Previously £277,000 (Feb 2006) · +13%	30 Nov 2011	Detached · Freehold	£312,000
85, THIRLMERE 7 Jun 2011 · Detached · Freehold Previously £203,000 (Nov 2001) · +45%	7 Jun 2011	Detached · Freehold	£295,000
47, THIRLMERE 12 Jan 2011 · Detached · Freehold Previously £134,950 (Aug 2000) · +63%	12 Jan 2011	Detached · Freehold	£220,000
11, THIRLMERE 16 Nov 2009 · Detached · Freehold Previously £156,000 (Dec 1998) · +103%	16 Nov 2009	Detached · Freehold	£317,000
49, THIRLMERE 27 Mar 2009 · Terraced · Freehold Previously £141,950 (May 2001) · +59%	27 Mar 2009	Terraced · Freehold	£225,000
39, THIRLMERE 11 Jan 2008 · Detached · Freehold Previously £320,000 (Dec 2007) · 0%	11 Jan 2008	Detached · Freehold	£320,000
39, THIRLMERE 21 Dec 2007 · Detached · Freehold Previously £265,000 (Jan 2006) · +21%	21 Dec 2007	Detached · Freehold	£320,000
79, THIRLMERE 20 Dec 2007 · Semi-detached · Freehold Previously £134,950 (Aug 2000) · +74%	20 Dec 2007	Semi-detached · Freehold	£235,000
33, THIRLMERE 25 May 2007 · Detached · Freehold Previously £169,950 (Jun 1999) · +96%	25 May 2007	Detached · Freehold	£332,500
67, THIRLMERE 24 May 2007 · Terraced · Freehold Previously £118,450 (Sep 2000) · +66%	24 May 2007	Terraced · Freehold	£197,000
73, THIRLMERE 16 Mar 2007 · Semi-detached · Freehold Previously £95,950 (Mar 2000) · +84%	16 Mar 2007	Semi-detached · Freehold	£176,500
53, THIRLMERE 19 Dec 2006 · Terraced · Freehold Previously £109,950 (Jan 2001) · +56%	19 Dec 2006	Terraced · Freehold	£171,500
21, THIRLMERE 15 Dec 2006 · Detached · Freehold Previously £142,950 (May 1999) · +103%	15 Dec 2006	Detached · Freehold	£290,000
45, THIRLMERE 31 Aug 2006 · Detached · Freehold Previously £241,000 (Dec 2002) · +18%	31 Aug 2006	Detached · Freehold	£285,000
5, THIRLMERE 28 Jun 2006 · Detached · Freehold Previously £194,950 (Mar 2002) · +46%	28 Jun 2006	Detached · Freehold	£285,000
55, THIRLMERE 19 May 2006 · Terraced · Freehold Previously £92,500 (Dec 1999) · +70%	19 May 2006	Terraced · Freehold	£157,500
3, THIRLMERE 3 Feb 2006 · Detached · Freehold Previously £200,000 (May 2001) · +39%	3 Feb 2006	Detached · Freehold	£277,000
39, THIRLMERE 26 Jan 2006 · Detached · Freehold Previously £149,950 (Aug 1999) · +77%	26 Jan 2006	Detached · Freehold	£265,000
65, THIRLMERE 26 Aug 2005 · Semi-detached · Freehold Previously £119,950 (Jun 2000) · +50%	26 Aug 2005	Semi-detached · Freehold	£180,000
83, THIRLMERE 23 Sep 2003 · Terraced · Freehold Previously £79,950 (Jul 2000) · +219%	23 Sep 2003	Terraced · Freehold	£255,000
75, THIRLMERE 12 Sep 2003 · Semi-detached · Freehold Previously £134,950 (Jun 2000) · +40%	12 Sep 2003	Semi-detached · Freehold	£189,000
77, THIRLMERE 9 May 2003 · Terraced · Freehold Previously £135,950 (Dec 2000) · +54%	9 May 2003	Terraced · Freehold	£209,995
71, THIRLMERE 20 Dec 2002 · Terraced · Freehold Previously £119,950 (Apr 2000) · +31%	20 Dec 2002	Terraced · Freehold	£157,000
45, THIRLMERE 2 Dec 2002 · Detached · Freehold Previously £202,500 (Oct 2001) · +19%	2 Dec 2002	Detached · Freehold	£241,000
59, THIRLMERE 13 May 2002 · Terraced · Freehold Previously £112,950 (Dec 1999) · +24%	13 May 2002	Terraced · Freehold	£139,500
5, THIRLMERE 28 Mar 2002 · Detached · Freehold Previously £155,950 (Nov 1999) · +25%	28 Mar 2002	Detached · Freehold	£194,950
15, THIRLMERE 23 Nov 2001 · Detached · Freehold Previously £180,000 (Mar 1999) · +31%	23 Nov 2001	Detached · Freehold	£236,000
85, THIRLMERE 8 Nov 2001 · Detached · Freehold Previously £187,950 (Jun 2000) · +8%	8 Nov 2001	Detached · Freehold	£203,000
43, THIRLMERE 2 Nov 2001 · Detached · Freehold Previously £154,950 (Oct 1999) · +26%	2 Nov 2001	Detached · Freehold	£195,500

Cat B An additional Price Paid entry (category B): a repossession, a buy-to-let with an identifiable mortgage, a purchase by a company or other non-private buyer, or a sale of another kind of property. Left out of every average.

Area

Postcode district: SG1
Country: England
Deprivation decile: 10 of 10
LSOA (2021): E01033024
Introduced: Jun 1999

From the English Index of Multiple Deprivation 2019, for the 2011 neighbourhood (LSOA) this postcode sits in. Decile 1 is the most deprived 10% of neighbourhoods in England, 10 the least; ranks are not comparable between nations.

UK House Price Index

North Hertfordshire, July 2026 (provisional)

Average price: £418,857
Change since July 2025: +5.3%
First-time buyers: £338,611

Average by property type

Detached: £797,923
Semi-detached: £481,741
Terraced: £377,970
Flat / maisonette: £226,679

The official index for North Hertfordshire as a whole, not SG1 6AQ alone. It is a modelled average, adjusted for the mix of homes sold, so it differs from a median of recorded sales, and its newest months are revised as late registrations arrive. Source: UK House Price Index (about the data).

Location

Postcode centroid, not a specific property.

Nearby postcodes

Median sold price and number of sales, Jun 2023 – May 2026; otherwise the last sale, if it was in the last ten years.

SG1 6AH £368,500 · 2 sales
SG1 6AF £332,500 · 6 sales
SG1 6AG £538,500 · 1 sale
SG1 6AP £420,000 · 7 sales
SG1 6AR £567,500 · 2 sales
SG1 4QG no sale since 1995
SG1 4FS £485,250 · 2 sales
SG1 6AL £670,000 · 1 sale
SG1 4GA £187,500 · 1 sale
SG1 4GB no sale since 2016
SG1 4FR £415,000 · 2 sales
SG1 4GD £225,000 · 1 sale