House prices in Mardleybury Road, Knebworth, SG3
64 homes have sold on Mardleybury Road (SG3) since 1995, the first in 1995. Over the last five years the median sold price was £340,000 from 5 sales, 28% below the Knebworth median of £471,250and against £471,250 across SG3. Sales here have been terraced 94%, semi-detached 5%, detached 2%.
- Median sold price
- £340,000
- last five years · 5 sales
- Half of sales were above this price, half below
- Price per sq ft
- £494
- based on 5 of 5 sales
- Sales matched to an EPC floor area
- Sales since 1995
- 64
- 1 in the last 12 months
- Latest sale
- £232,500
- 30 Mar 2026
- vs Knebworth
- −28%
- Knebworth median £471,250
Every sale on Mardleybury Road, SG3
› 14 SG3 6LT · Terraced £232,500· 30 Mar 2026 · 4 sales
| 30 Mar 2026 | £232,500 | Terraced · Freehold | 506 sq ft · £460/sq ft | +263% vs 1999 |
| 13 Sept 2012 | £142,500 | Terraced · Freehold | 506 sq ft · £282/sq ft | +24% vs 2002 |
| 2 Sept 2002 | £115,000 | Terraced · Freehold | 506 sq ft · £227/sq ft | −51% vs 2026 |
| 27 Aug 1999 | £64,000 | Terraced · Freehold | 506 sq ft · £127/sq ft | first recorded sale |
› 26 SG3 6LT · Terraced £315,000· 30 Oct 2024 · 4 sales
| 30 Oct 2024 | £315,000 | Terraced · Freehold | 614 sq ft · £513/sq ft | +15% vs 2020 |
| 31 Mar 2020 | £273,000 | Terraced · Freehold | 614 sq ft · £445/sq ft | +192% vs 2000 |
| 25 Apr 2008 | £171,000 | Terraced · Freehold | 614 sq ft · £279/sq ft | first recorded sale |
| 12 Dec 2000 | £93,500 | Terraced · Freehold | 614 sq ft · £152/sq ft | −45% vs 2008 |
› 20 SG3 6LT · Terraced £340,000· 25 Oct 2023 · 6 sales
| 25 Oct 2023 | £340,000 | Terraced · Freehold | 689 sq ft · £494/sq ft | +83% vs 2011 |
| 8 Apr 2014 | £229,995 | Terraced · Freehold | 689 sq ft · £334/sq ft | +51% vs 2002 |
| 16 Nov 2011 | £186,250 | Terraced · Freehold | 689 sq ft · £270/sq ft | −19% vs 2014 |
| 27 Sept 2002 | £152,500 | Terraced · Freehold | 689 sq ft · £221/sq ft | +86% vs 1998 |
| 31 Jul 1998 | £82,000 | Terraced · Freehold | 689 sq ft · £119/sq ft | +29% vs 1996 |
| 5 Jul 1996 | £63,750 | Terraced · Freehold | 689 sq ft · £93/sq ft | first recorded sale |
› 8 SG3 6LT · Terraced £390,000· 13 Jul 2022 · 2 sales
| 13 Jul 2022 | £390,000 | Terraced · Freehold | 829 sq ft · £471/sq ft | +30% vs 2018 |
| 20 Aug 2018 | £300,500 | Terraced · Freehold | 829 sq ft · £363/sq ft | first recorded sale |
› 32 SG3 6LT · Terraced £350,000· 8 Feb 2022 · 6 sales
| 8 Feb 2022 | £350,000 | Terraced · Freehold | 667 sq ft · £524/sq ft | +103% vs 2004 |
| 6 Mar 2015 | £269,950 | Terraced · Freehold | 667 sq ft · £405/sq ft | +59% vs 2009 |
| 18 Dec 2009 | £170,000 | Terraced · Freehold | 667 sq ft · £255/sq ft | first recorded sale |
| 19 Jun 2007 | £186,000 | Terraced · Freehold | 667 sq ft · £279/sq ft | −47% vs 2022 |
| 22 Jul 2004 | £172,500 | Terraced · Freehold | 667 sq ft · £258/sq ft | +6% vs 2003 |
| 10 Oct 2003 | £162,500 | Terraced · Freehold | 667 sq ft · £243/sq ft | −40% vs 2015 |
› 9 SG3 6LU · Semi-detached £550,000· 9 Jul 2018
| 9 Jul 2018 | £550,000 | Semi-detached · Freehold | 1,582 sq ft · £348/sq ft | first recorded sale |
› 22 SG3 6LT · Terraced £275,000· 21 Feb 2017
| 21 Feb 2017 | £275,000 | Terraced · Freehold | 635 sq ft · £433/sq ft | first recorded sale |
› 6 SG3 6LT · Terraced £298,000· 15 Mar 2016 · 5 sales
| 15 Mar 2016 | £298,000 | Terraced · Freehold | 840 sq ft · £355/sq ft | +57% vs 2005 |
| 27 Jun 2005 | £189,950 | Terraced · Freehold | 840 sq ft · £226/sq ft | +1% vs 2004 |
| 26 Jul 2004 | £188,000 | Terraced · Freehold | 840 sq ft · £224/sq ft | +185% vs 1997 |
| 22 Jun 2001 | £129,950 | Terraced · Freehold | 840 sq ft · £155/sq ft | first recorded sale |
| 21 Mar 1997 | £66,000 | Terraced · Freehold | 840 sq ft · £79/sq ft | −49% vs 2001 |
› 36 SG3 6LT · Terraced £225,000· 5 Jul 2011 · 3 sales
| 5 Jul 2011 | £225,000 | Terraced · Freehold | 829 sq ft · £271/sq ft | +42% vs 2002 |
| 26 Jul 2002 | £159,000 | Terraced · Freehold | 829 sq ft · £192/sq ft | +107% vs 1996 |
| 19 Jul 1996 | £76,950 | Terraced · Freehold | 829 sq ft · £93/sq ft | first recorded sale |
› 11 SG3 6NB · Semi-detached £312,000· 26 Nov 2010
| 26 Nov 2010 | £312,000 | Semi-detached · Freehold | 1,109 sq ft · £281/sq ft | first recorded sale |
› Mardleybury Manor SG3 6SG · Detached £2,600,000· 23 Aug 2007
| 23 Aug 2007 | £2,600,000 | Detached · Freehold | first recorded sale |
› 28 SG3 6LT · Terraced £152,995· 20 Oct 2006 · 6 sales
| 20 Oct 2006 | £152,995 | Terraced · Freehold | +147% vs 1999 | |
| 31 Jan 2003 | £119,995 | Terraced · Freehold | +133% vs 1997 | |
| 6 Nov 2001 | £93,500 | Terraced · Freehold | +23% vs 2000 | |
| 29 Feb 2000 | £76,000 | Terraced · Freehold | −50% vs 2006 | |
| 21 May 1999 | £62,000 | Terraced · Freehold | −48% vs 2003 | |
| 31 Jan 1997 | £51,500 | Terraced · Freehold | first recorded sale |
› 24 SG3 6LT · Terraced £170,000· 31 May 2006 · 3 sales
| 31 May 2006 | £170,000 | Terraced · Freehold | 646 sq ft · £263/sq ft | +164% vs 1997 |
| 29 Oct 1999 | £89,000 | Terraced · Freehold | 646 sq ft · £138/sq ft | first recorded sale |
| 5 Mar 1997 | £64,500 | Terraced · Freehold | 646 sq ft · £100/sq ft | −28% vs 1999 |
› 4 SG3 6LT · Terraced £187,000· 5 Sept 2005 · 3 sales
| 5 Sept 2005 | £187,000 | Terraced · Freehold | +153% vs 1997 | |
| 11 Jan 2001 | £125,000 | Terraced · Freehold | −33% vs 2005 | |
| 14 Feb 1997 | £74,000 | Terraced · Freehold | first recorded sale |
› 2 SG3 6LT · Terraced £159,000· 26 Jun 2003 · 2 sales
| 26 Jun 2003 | £159,000 | Terraced · Freehold | +112% vs 1998 | |
| 16 Jan 1998 | £75,000 | Terraced · Freehold | first recorded sale |
› 30 SG3 6LT · Terraced £131,000· 5 Apr 2002 · 2 sales
| 5 Apr 2002 | £131,000 | Terraced · Freehold | 646 sq ft · £203/sq ft | first recorded sale |
| 11 Jun 1999 | £87,000 | Terraced · Freehold | 646 sq ft · £135/sq ft | −34% vs 2002 |
› 18 SG3 6LT · Terraced £95,000· 12 Jul 2001 · 3 sales
| 12 Jul 2001 | £95,000 | Terraced · Freehold | 603 sq ft · £158/sq ft | +43% vs 1997 |
| 31 Oct 1997 | £66,500 | Terraced · Freehold | 603 sq ft · £110/sq ft | first recorded sale |
| 6 Mar 1997 | £61,000 | Terraced · Freehold | 603 sq ft · £101/sq ft | −36% vs 2001 |
› 10 SG3 6LT · Terraced £117,000· 2 Mar 2001
| 2 Mar 2001 | £117,000 | Terraced · Freehold | first recorded sale |
› 40 SG3 6LT · Terraced £124,000· 15 Dec 2000 · 3 sales
| 15 Dec 2000 | £124,000 | Terraced · Freehold | 775 sq ft · £160/sq ft | +70% vs 1995 |
| 21 Mar 1997 | £77,000 | Terraced · Freehold | 775 sq ft · £99/sq ft | −38% vs 2000 |
| 21 Apr 1995 | £73,000 | Terraced · Freehold | 775 sq ft · £94/sq ft | first recorded sale |
› 42 SG3 6LT · Terraced £105,000· 17 Dec 1999 · 2 sales
| 17 Dec 1999 | £105,000 | Terraced · Freehold | 797 sq ft · £132/sq ft | first recorded sale |
| 13 Apr 1995 | £71,000 | Terraced · Freehold | 797 sq ft · £89/sq ft | −32% vs 1999 |
› 7 SG3 6LU · Semi-detached £127,500· 26 Oct 1999
| 26 Oct 1999 | £127,500 | Semi-detached · Freehold | first recorded sale |
› 38 SG3 6LT · Terraced £88,500· 1 Sept 1999 · 2 sales
| 1 Sept 1999 | £88,500 | Terraced · Freehold | +48% vs 1996 | |
| 14 Aug 1996 | £60,000 | Terraced · Freehold | first recorded sale |
› 16 SG3 6LT · Terraced £55,000· 6 Mar 1997
| 6 Mar 1997 | £55,000 | Terraced · Freehold | first recorded sale |
› 12 SG3 6LT · Terraced £49,950· 18 Feb 1997
| 18 Feb 1997 | £49,950 | Terraced · Freehold | first recorded sale |
At your size
A 90 m² (970 sq ft) home in SG3 is worth roughly £403k–£503k at the district's typical £416–£519 per square foot (245 sales, two years) — a range, not a valuation.
Check your addressAll sold prices in Knebworth· SG3 district on the Knebworth page
Track Mardleybury Road, SG3
One email a month with the sales newly registered here — no account needed, unsubscribe in one click.
For sale in Knebworth now
Live listings with £/sq ft against these sold prices
What is my home worth?
Your address's sale history and a £/sq ft-based range
Track Knebworth
A monthly email when new sales are registered
Sources and method. Sales completed to July 2026, as registered by 29 Aug 2026 · headline figures cover the 12 months to May 2026 (later months are still being registered).Next HM Land Registry release ~28 Sept 2026. Medians unless stated; averages only where 30 or more sales. Category A sales only (standard price-paid transactions), houses and flats.
Contains HM Land Registry data © Crown copyright and database right 2021. This data is licensed under the Open Government Licence v3.0. Floor areas derived from Energy Performance Certificate data © Crown copyright, licensed under the Open Government Licence v3.0. Contains OS data © Crown copyright and database right 2026. Contains Royal Mail data © Royal Mail copyright and database right 2026. Source: Office for National Statistics licensed under the Open Government Licence v3.0.
How we calculate these figures · Ask us to hide a sale or correct a record