Our Data Sources
4, William Close, Welwyn Garden City has a single entry in the Land Registry from November 2024 and a single entry in the EPC database dated March 2018.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 2 out of 5 and is considered of medium accuracy.
Price Range & Condition
The condition of a property plays an important role in determining its value, with the degree of impact varying by property type, size and location.
For 4, William Close, Welwyn Garden City, we estimate a market value of £441,606 and a rental value of £1,815 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £391,136 and £1,608 per month respectively.
Energy Efficiency
4, William Close, Welwyn Garden City has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 26 Mar 2018.
The property is not connected to mains gas and has high performance glazing. It is heated using Boiler and radiators, mains gas.
Sold Prices
The most recent sale of 4, William Close, Welwyn Garden City completed on 1st November 2024 at £231,000 and was recorded by HM Land Registry as a leasehold house.
Since 1995 this is the property's only sale.
Values of comparable properties have dropped by 8.2% over the period since November 2024.
- Sold Nov 2024£231,000
Similar Properties Sold Nearby
Over the past 2 years 289 properties similar to 4, William Close, Welwyn Garden City have sold within a radius of 850 metres, per the Land Registry and our network of Estate Agents.
The latest, on the 12th December 2025, was 229, Howlands, Welwyn Garden City, AL7 4HG, a freehold house which sold for £431,899.
Read more about house prices in AL7.
- Sold Dec 2025£431,899 | 3 Bed House229, Howlands, Welwyn Garden City, AL7 4HG229, Howlands, Welwyn Garden City, AL7 4HG
- Sold Sep 2022£375,000 | 3 Bed House5, Queens Avenue, Welwyn Garden City, AL7 4BZ5, Queens Avenue, Welwyn Garden City, AL7 4BZ
- Sold Sep 2021£400,000 | 3 Bed House9, William Close, Welwyn Garden City, AL7 4ER9, William Close, Welwyn Garden City, AL7 4ER
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Location Comparison
Of the 11 addresses on William Close, Welwyn Garden City, AL7, 4, William Close, Welwyn Garden City comes out as the 7th largest and the 7th most expensive in our analysis of the public data.
It is also £49k more expensive than the average property across the AL7 district.
More reading links
Schools Nearby
- Commonswood Primary & Nursery School500 m away
- Creswick Academy1.3 km away
- Swallow Dell Primary and Nursery School1.3 km away
- Ridgeway Academy2.2 km away
- Stanborough School2.6 km away
- Onslow St Audrey's School3.6 km away
More reading links
Public Transport Nearby
- Welwyn Garden City|2.4 km away
- Hatfield (Herts)|3.0 km away
- Welwyn North|4.5 km away
Available Internet Speeds
Internet coverage here is poor, based on recent Ofcom data, and connectivity may be weak or unavailable.
According to recent data from Ofcom, Slow/none Broadband is available in the area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












