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

£410,000

Last sale price

Sept 2022

Last sold

+£125,000

Change since first sale

+44%

% change

Recorded sales

Energy performance

D potential B

EPC energy rating

74 m²

Total floor area

£5,541/m²

Price per m² (last sale)

Habitable rooms

3.6 t

CO₂ per year

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Energy performance data © Crown copyright, from the Energy Performance of Buildings Register, licensed under the Open Government Licence v3.0. Assessed Mar 2022.

Approximate location (postcode centre). Map data © OpenStreetMap contributors.

Price history

How this compares

Averages cover every recorded sale in AL7 3NL (2015–2025) and are not adjusted for house-price changes over that period — where the market has risen, older sales pull the average below today’s values, so treat this as a rough guide rather than a like-for-like comparison.

£337,950

Average in AL7 3NL (2015–2025)

£337,950

Average on KNELLA GREEN (2015–2025)

+21%

above postcode average