Our Data Sources
18, Canonsfield, Welwyn has 21 entries in the Land Registry, most recently in August 2020 and a single entry in the EPC database dated December 2021.
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 18, Canonsfield, Welwyn would be worth £721,250, with a potential rental value of £2,879 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £638,821, with a rental value of £2,550 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
18, Canonsfield, Welwyn occupies a 564 m2 plot as recorded by HM Land Registry.
Of the 15 other houses in this postcode, 14 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
18, Canonsfield, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 07 Dec 2021.
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
18, Canonsfield, Welwyn last changed hands on 14th August 2020, selling for £681,000. 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 risen by 20.1% since August 2020.
- Sold Aug 2020£681,000
- Sold Nov 2006£480,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 175 sales of comparable properties within 1.4 kilometres of 18, Canonsfield, Welwyn since 2014.
Most recently, 14, Birch Grove, Welwyn, AL6 0QP, a freehold house, sold at £785,000 on the 28th November 2025.
Read more about house prices in AL6.
- Sold Nov 2025£785,000 | 4 Bed House14, Birch Grove, Welwyn, AL6 0QP14, Birch Grove, Welwyn, AL6 0QP
- Sold Oct 2025£675,000 | 4 Bed House2, Peace Grove, Welwyn, AL6 0RS2, Peace Grove, Welwyn, AL6 0RS
- Sold Jun 2025£725,000 | 4 Bed House23, Birch Grove, Welwyn, AL6 0QP23, Birch Grove, Welwyn, AL6 0QP
- Sold Mar 2025£575,000 | 4 Bed House20, Canonsfield, Welwyn, AL6 0QD20, Canonsfield, Welwyn, AL6 0QD
- Sold Feb 2025£670,000 | 4 Bed House18, Birch Grove, Welwyn, AL6 0QP18, Birch Grove, Welwyn, AL6 0QP
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 £725,329, ranging from £525,815 to £1,150,457.
- 20 Canonsfield
4 Bed House | 10 m | Est. Value: £666,525
- 16 Canonsfield
4 Bed House | 15 m | Est. Value: £753,280
- 14 Canonsfield
4 Bed House | 28 m | Est. Value: £734,433
- 24 Canonsfield
4 Bed House | 42 m | Est. Value: £784,716
- 7A Canonsfield
5 Bed House | 44 m | Est. Value: £1,150,457
Location Comparison
Our analysis of the public data ranks 18, Canonsfield, Welwyn as the 21st largest and the 23rd most expensive of the 30 addresses on Canonsfield, Welwyn, AL6.
Against the AL6 postcode district average, it is £114k less expensive than the typical property.
More reading links
Schools Nearby
- Oaklands Primary School400 m away
- St Michael's Woolmer Green CofE VA Primary School1.2 km away
- Knebworth Primary and Nursery School2.3 km away
- Monk's Walk School3.0 km away
- Ridgeway Academy4.9 km away
- Barnwell School5.2 km away
More reading links
Public Transport Nearby
- Welwyn North|2.4 km away
- Knebworth|2.5 km away
- Welwyn Garden City|4.9 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.












