Our Data Sources
12, Canonsfield, Welwyn has 31 entries in the Land Registry, most recently in January 2022 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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
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 12, Canonsfield, Welwyn, we estimate a market value of £848,012 and a rental value of £3,068 per month when presented in very good decorative order. Should the property require extensive cosmetic improvement, those figures would reduce to £751,097 and £2,718 per month respectively.
Plot Size
HM Land Registry records the plot of land for 12, Canonsfield, Welwyn as measuring 626 m2.
That makes it the 2nd largest plot in the postcode, where 14 of the 15 other houses have recorded plot data.
Energy Efficiency
12, Canonsfield, Welwyn has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 18 Oct 2024.
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
The most recent sale of 12, Canonsfield, Welwyn completed on 17th January 2022 at £840,000 and was recorded by HM Land Registry as a freehold house.
Since 1995 the property has sold 3 times.
Values of comparable properties have risen by 6.9% over the period since January 2022.
- Sold Jan 2022£840,000
- Sold Jan 2018£740,000
- Sold Dec 2001£346,000
Similar Properties Sold Nearby
Since 2017 140 properties similar to 12, Canonsfield, Welwyn have sold within a radius of 1.4 kilometres, per the Land Registry and our network of Estate Agents.
The latest, on the 5th November 2025, was 4A, Heathbrow Road, Welwyn, AL6 0QG, a freehold house which sold for £747,218.
Read more about house prices in AL6.
- Sold Nov 2025£747,218 | 4 Bed House4A, Heathbrow Road, Welwyn, AL6 0QG4A, Heathbrow Road, Welwyn, AL6 0QG
- Sold Sep 2025£820,000 | 4 Bed House10, Bluebells, Welwyn, AL6 0XD10, Bluebells, Welwyn, AL6 0XD
- Sold May 2025£675,000 | 4 Bed House16, Marlborough Close, Welwyn, AL6 0UG16, Marlborough Close, Welwyn, AL6 0UG
- Sold Dec 2024£778,000 | 4 Bed House13, Hillside Way, Welwyn, AL6 0TY13, Hillside Way, Welwyn, AL6 0TY
- Sold Aug 2024£695,000 | 4 Bed House8A, Firway, Welwyn, AL6 0RD8A, Firway, Welwyn, AL6 0RD
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 £819,842, ranging from £577,105 to £1,150,457.
- 10 Canonsfield
4 Bed House | 12 m | Est. Value: £657,631
- 14 Canonsfield
4 Bed House | 16 m | Est. Value: £734,433
- 16 Canonsfield
4 Bed House | 29 m | Est. Value: £753,280
- 14 Dudley Hill Close
5 Bed House | 37 m | Est. Value: £971,821
- 18 Canonsfield
4 Bed House | 44 m | Est. Value: £686,905
Location Comparison
Of the 30 addresses on Canonsfield, Welwyn, AL6, 12, Canonsfield, Welwyn comes out as the 14th largest and the 18th most expensive in our analysis of the public data.
It is also £7k more expensive than the average property across the AL6 district.
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
Broadband here reaches superfast speeds, based on recent Ofcom data.
According to recent data from Ofcom, Superfast Broadband available in this area.
Risk of Flooding
The flood risk here is rated Very Low, based on Environment Agency data.












