Our Data Sources
20, Chalgrove, Welwyn Garden City has 21 entries in the Land Registry , most recently in March 2025 and a single entry in the EPC database dated October 2024.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 20, Chalgrove, Welwyn Garden City would be worth £639,807, with a potential rental value of £2,125 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £566,686, with a rental value of £1,883 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
20, Chalgrove, Welwyn Garden City occupies a 516 m2 plot as recorded by HM Land Registry.
All 19 other houses in this postcode have recorded plot sizes, and this one ranks as the largest.
Energy Efficiency
20, Chalgrove, Welwyn Garden City has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 24 Oct 2024.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
20, Chalgrove, Welwyn Garden City last changed hands on 26th March 2025, selling for £610,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold twice since 1995.
The market for similar properties has dropped by 24.5% since March 2025.
- Sold Mar 2025£610,000
- Sold Oct 2002£305,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 136 sales of comparable properties within 950 metres of 20, Chalgrove, Welwyn Garden City across the last 2 years.
Most recently, 18, Chalgrove, Welwyn Garden City, AL7 2QJ, a freehold house, sold at £690,000 on the 16th January 2026.
Read more about house prices in AL7.
- Sold Jan 2026£690,000 | 4 Bed House18, Chalgrove, Welwyn Garden City, AL7 2QJ18, Chalgrove, Welwyn Garden City, AL7 2QJ
- Sold Dec 2020£530,000 | 4 Bed House19, Chalgrove, Welwyn Garden City, AL7 2QJ19, Chalgrove, Welwyn Garden City, AL7 2QJ
- Sold Aug 2020£580,000 | 4 Bed House23, Chelveston, Welwyn Garden City, AL7 2PW23, Chelveston, Welwyn Garden City, AL7 2PW
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Our analysis of the public data ranks 20, Chalgrove, Welwyn Garden City as the 5th largest and the 5th most expensive of the 19 addresses on Chalgrove, Welwyn Garden City, AL7.
Against the AL7 postcode district average, it is £238k more expensive than the typical property.
More reading links
Schools Nearby
- Springmead Primary School700 m away
- Watchlytes Primary School1.0 km away
- Tewin Cowper Church of England Voluntary Aided Primary School1.5 km away
- Ridgeway Academy1.3 km away
- The Sele School3.9 km away
- Monk's Walk School4.1 km away
More reading links
Public Transport Nearby
- Welwyn Garden City|3.0 km away
- Welwyn North|3.3 km away
- Hertford North|4.7 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
