Our Data Sources
31, Hillside Way, Welwyn has 31 entries in the Land Registry, most recently in October 2025 and a single entry in the EPC database dated March 2025.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 31, Hillside Way, Welwyn would be worth £753,942, with a potential rental value of £3,084 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £667,777, with a rental value of £2,732 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
31, Hillside Way, Welwyn occupies a 837 m2 plot as recorded by HM Land Registry.
Of the 27 other houses in this postcode, 24 have recorded plot sizes, and this one ranks as the 9th largest.
Energy Efficiency
31, Hillside Way, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 31 Mar 2025.
The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).
Sold Prices
31, Hillside Way, Welwyn last changed hands on 22nd October 2025, selling for £715,000. The transaction was logged as a freehold house by HM Land Registry.
In total it has sold 3 times since 1995.
The market for similar properties has risen by 2.1% since October 2025.
- Sold Oct 2025£715,000
- Sold Dec 2018£455,000
- Sold May 1998£157,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 180 sales of comparable properties within 1.4 kilometres of 31, Hillside Way, Welwyn since 2008.
Most recently, 50, Robbery Bottom Lane, Welwyn, AL6 0UN, a freehold house, sold at £658,000 on the 9th January 2026.
Read more about house prices in AL6.
- Sold Jan 2026£658,000 | 4 Bed House50, Robbery Bottom Lane, Welwyn, AL6 0UN50, Robbery Bottom Lane, Welwyn, AL6 0UN
- Sold Oct 2025£675,000 | 4 Bed House2, Peace Grove, Welwyn, AL6 0RS2, Peace Grove, Welwyn, AL6 0RS
- Sold Mar 2025£735,000 | 4 Bed House7, Peace Grove, Welwyn, AL6 0RS7, Peace Grove, Welwyn, AL6 0RS
- Sold Jan 2025£750,000 | 4 Bed House17, Mardley Avenue, Welwyn, AL6 0TU17, Mardley Avenue, Welwyn, AL6 0TU
- Sold May 2024£720,000 | 4 Bed House27, Marlborough Close, Welwyn, AL6 0UG27, Marlborough Close, Welwyn, AL6 0UG
Nearby is defined as the radius comprising the nearest 2,000 addresses.
More reading links
Explore Nearby Properties
The surrounding properties have an average estimated value of £702,527, ranging from £501,227 to £877,734.
- 29 Hillside Way
4 Bed House | 8 m | Est. Value: £649,152
- 20 Hillside Way
4 Bed House | 19 m | Est. Value: £809,508
- 18 Hillside Way
4 Bed House | 26 m | Est. Value: £687,190
- 27 Hillside Way
4 Bed House | 26 m | Est. Value: £742,471
- 14 Hillside Way
3 Bed House | 43 m | Est. Value: £501,227
Location Comparison
Our analysis of the public data ranks 31, Hillside Way, Welwyn as the 14th largest and the 15th most expensive of the 27 addresses on Hillside Way, Welwyn, AL6.
Against the AL6 postcode district average, it is £89k less expensive than the typical property.
More reading links
Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School600 m away
- Oaklands Primary School1.0 km away
- All Saints Church of England Voluntary Aided Primary School, Datchworth1.9 km away
- Monk's Walk School3.4 km away
- Ridgeway Academy4.8 km away
- Barnwell School5.0 km away
More reading links
Public Transport Nearby
- Knebworth|2.4 km away
- Welwyn North|2.5 km away
- Watton-at-Stone|4.6 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.
