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Sold prices and estimated values

Property Valuations in KNELLA GREEN, Hertfordshire AL7

See what homes on Knella Green have sold for, what they could be worth today, and the highest prices recorded for each type of property.

Highest sold prices on KNELLA GREEN

The highest recorded sale on KNELLA GREEN is £432,500 at 14, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL, sold on 26 September 2025

Property type Highest sale Address Sale date
Semi-detached £432,500 14, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL 26 Sep 2025
Terraced £415,000 7, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL 01 Jul 2024

These historic sales (often known as ceiling prices) can help provide context when assessing potential development values on the street.

3, KNELLA GREEN, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £323,780
Weighted central estimate £/m²: £4,981
Previous sales
24 Aug 2007 - £175,000

7, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £425,166
Weighted central estimate £/m²: £4,777
Previous sales
01 Jul 2024 - £415,000
06 Jul 2018 - £340,000
27 May 2016 - £275,000

8, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £228,107
Weighted central estimate £/m²: £3,405
Previous sales
20 Dec 2021 - £215,400

14, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Semi-Detached
Weighted central estimate: £390,022
Weighted central estimate £/m²: £5,572
Previous sales
26 Sep 2025 - £432,500

18, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Semi-Detached
Weighted central estimate: £409,518
Weighted central estimate £/m²: £5,534
Previous sales
22 Sep 2022 - £410,000
18 Aug 2016 - £375,000
05 Jun 2015 - £285,000
09 Jun 2009 - £181,000

19, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £350,939
Weighted central estimate £/m²: £5,238
Previous sales
09 Feb 2021 - £315,000
31 Aug 2012 - £180,000

23, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Semi-Detached
Weighted central estimate: £386,158
Weighted central estimate £/m²: £5,679
Previous sales
02 Nov 2018 - £335,000
24 Jul 2012 - £201,000

30, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £347,338
Weighted central estimate £/m²: £4,039
Previous sales
11 Mar 2021 - £310,000
07 Aug 2007 - £176,000
30 Aug 2005 - £162,000

36, KNELLA GREEN, WELWYN GARDEN CITY, WELWYN HATFIELD, HERTFORDSHIRE AL7 3NL

Tenure: Freehold
Property Type: Terraced
Weighted central estimate: £389,355
Weighted central estimate £/m²: £5,811
Previous sales
18 Mar 2021 - £347,500
14 Mar 2014 - £249,495

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