Our Data Sources
63, Harmer Green Lane, Welwyn has 31 entries in the Land Registry, most recently in December 2022 and a single entry in the EPC database dated October 2021.
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.
1Sales dated prior to 2007 are shown, but are not used in our calculations.
Price Range & Condition
In very good condition, we estimate 63, Harmer Green Lane, Welwyn would be worth £932,574, with a potential rental value of £3,020 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £825,994, with a rental value of £2,675 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
63, Harmer Green Lane, Welwyn occupies a 651 m2 plot as recorded by HM Land Registry.
Of the 6 other houses in this postcode, 4 have recorded plot sizes, and this one ranks as the 4th largest.
Energy Efficiency
63, Harmer Green Lane, Welwyn has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 16 Oct 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
63, Harmer Green Lane, Welwyn last changed hands on 8th December 2022, selling for £952,000. 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 dropped by 5.6% since December 2022.
- Sold Dec 2022£952,000
- Sold Jan 2010£455,000
- Sold May 2005£408,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 15 sales of comparable properties within 1.7 kilometres of 63, Harmer Green Lane, Welwyn since 2010.
Most recently, 95, Harmer Green Lane, Welwyn, AL6 0EY, a freehold house, sold at £800,000 on the 13th November 2025.
Read more about house prices in AL6.
- Sold Nov 2025£800,000 | 4 Bed House95, Harmer Green Lane, Welwyn, AL6 0EY95, Harmer Green Lane, Welwyn, AL6 0EY
- Sold May 2024£700,000 | 4 Bed House22, St. Ives Close, Welwyn, AL6 0BB22, St. Ives Close, Welwyn, AL6 0BB
- Sold Oct 2022£800,000 | 3 Bed House10, Harmer Green Lane, Welwyn, AL6 0AX10, Harmer Green Lane, Welwyn, AL6 0AX
- Sold Jun 2021£950,000 | 3 Bed House51, Bishops Road, Welwyn, AL6 0NP51, Bishops Road, Welwyn, AL6 0NP
- Sold Jun 2021£1,000,000 | 3 Bed HouseHighcroft, Tewin Close, Welwyn, AL6 0HFHighcroft, Tewin Close, Welwyn, AL6 0HF
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 £1,535,502, ranging from £507,716 to £2,740,881.
- 65 Harmer Green Lane
4 Bed House | 10 m | Est. Value: £1,018,043
- 61 Harmer Green Lane
5 Bed House | 16 m | Est. Value: £1,260,063
- 57 Harmer Green Lane
4 Bed House | 33 m | Est. Value: £1,395,147
- 72 Harmer Green Lane
5 Bed House | 54 m | Est. Value: £1,538,247
- 74 Harmer Green Lane
5 Bed House | 66 m | Est. Value: £2,347,295
Location Comparison
Our analysis of the public data ranks 63, Harmer Green Lane, Welwyn as the 86th largest and the 74th most expensive of the 95 addresses on Harmer Green Lane, Welwyn, AL6.
Against the AL6 postcode district average, it is £88k more expensive than the typical property.
More reading links
Schools Nearby
- St John's CofE Primary School1.3 km away
- Oaklands Primary School1.7 km away
- Harwood Hill Junior Mixed Infant and Nursery School1.9 km away
- Monk's Walk School2.3 km away
- Ridgeway Academy3.0 km away
- Stanborough School5.0 km away
More reading links
Public Transport Nearby
- Welwyn North|900 m away
- Welwyn Garden City|3.5 km away
- Knebworth|4.2 km away
Available Internet Speeds
Ofcom's latest figures show poor internet coverage in this area, which may mean weak or no connectivity.
According to recent data from Ofcom, Slow or No Broadband available in this area.
Risk of Flooding
Environment Agency data suggests this area has a Very Low risk of flooding.












