Our Data Sources
1, Rosecroft Lane, Welwyn has 31 entries in the Land Registry, most recently in December 2025 and a single entry in the EPC database dated March 2023.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 4 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 1, Rosecroft Lane, Welwyn would be worth £921,854, with a potential rental value of £3,301 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £816,499, with a rental value of £2,924 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
1, Rosecroft Lane, Welwyn occupies a 549 m2 plot as recorded by HM Land Registry.
Of the 16 other houses in this postcode, 15 have recorded plot sizes, and this one ranks as the 12th largest.
Energy Efficiency
1, Rosecroft Lane, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 01 Mar 2023.
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
1, Rosecroft Lane, Welwyn last changed hands on 12th December 2025, selling for £775,000. 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 December 2025.
- Sold Dec 2025£775,000
- Sold Jul 2002£324,000
- Sold Sep 1995£130,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 166 sales of comparable properties within 1.4 kilometres of 1, Rosecroft Lane, Welwyn since 2009.
Most recently, 16, Marlborough Close, Welwyn, AL6 0UG, a freehold house, sold at £675,000 on the 30th May 2025.
Read more about house prices in AL6.
- Sold May 2025£675,000 | 5 Bed House16, Marlborough Close, Welwyn, AL6 0UG16, Marlborough Close, Welwyn, AL6 0UG
- Sold Apr 2025£825,000 | 4 Bed House2A, Firway, Welwyn, AL6 0RD2A, Firway, Welwyn, AL6 0RD
- Sold Mar 2025£922,500 | 4 Bed House5, Chestnut Walk, Welwyn, AL6 0SB5, Chestnut Walk, Welwyn, AL6 0SB
- Sold Mar 2025£910,000 | 4 Bed House5, Hangmans Lane, Welwyn, AL6 0TJ5, Hangmans Lane, Welwyn, AL6 0TJ
- Sold Dec 2024£778,000 | 4 Bed House13, Hillside Way, Welwyn, AL6 0TY13, Hillside Way, Welwyn, AL6 0TY
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 £900,427, ranging from £590,400 to £1,231,726.
- 24 Mardley Avenue
4 Bed House | 13 m | Est. Value: £1,050,798
- 22 Mardley Avenue
4 Bed House | 21 m | Est. Value: £681,162
- 26 Mardley Avenue
5 Bed House | 25 m | Est. Value: £1,231,726
- 31 Mardley Avenue
5 Bed House | 45 m | Est. Value: £1,013,349
- 35 Mardley Avenue
4 Bed House | 48 m | Est. Value: £688,122
Location Comparison
Our analysis of the public data ranks 1, Rosecroft Lane, Welwyn as the 6th largest and the 5th most expensive of the 16 addresses on Rosecroft Lane, Welwyn, AL6.
Against the AL6 postcode district average, it is £71k more expensive than the typical property.
More reading links
Schools Nearby
- St Michael's Woolmer Green CofE VA Primary School700 m away
- Oaklands Primary School900 m away
- All Saints Church of England Voluntary Aided Primary School, Datchworth2.1 km away
- Monk's Walk School3.3 km away
- Ridgeway Academy4.8 km away
- Barnwell School5.1 km away
More reading links
Public Transport Nearby
- Welwyn North|2.4 km away
- Knebworth|2.5 km away
- Watton-at-Stone|4.7 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.
