HM Land Registry records the plot of land for 4, Rosecroft Lane, Welwyn as measuring 886 m².

That makes it the 3rd largest plot in the postcode, where 15 of the 16 other houses have recorded plot data.

4, Rosecroft Lane, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 07 Jun 2021.

The property is connected to mains gas and has fully double glazed windows. It is heated using a boiler and radiators (mains gas).

The most recent sale of 4, Rosecroft Lane, Welwyn completed on 23rd August 2021 at £996,500 and was recorded by HM Land Registry as a freehold house.

Since 1995 the property has sold twice.

Values of comparable properties have risen by 24.0% over the period since August 2021.

• Sold Aug 2021£996,500
• Sold Aug 2005£362,000

Since 2012 83 properties similar to 4, Rosecroft Lane, Welwyn have sold within a radius of 1.3 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 8th June 2026, was 15, The Chase, Welwyn, AL6 0QT, a freehold house which sold for £630,000.

Read more about house prices in AL6.

• Sold Jun 2026£630,000 | 5 Bed House15, The Chase, Welwyn, AL6 0QT15, The Chase, Welwyn, AL6 0QT
• Sold Mar 2025£950,000 | 5 Bed HouseChestnut Lodge, Chestnut Walk, Welwyn, AL6 0SBChestnut Lodge, Chestnut Walk, Welwyn, AL6 0SB
• Sold Mar 2025£910,000 | 4 Bed House5, Hangmans Lane, Welwyn, AL6 0TJ5, Hangmans Lane, Welwyn, AL6 0TJ
• Sold Oct 2024£1,050,000 | 4 Bed House18, Mardley Hill, Welwyn, AL6 0TN18, Mardley Hill, Welwyn, AL6 0TN
• Sold Jan 2023£1,125,000 | 5 Bed House7B, Oaklands Rise, Welwyn, AL6 0RH7B, Oaklands Rise, Welwyn, AL6 0RH
• Sold Sep 2021£1,150,000 | 5 Bed House22, Bracken Lane, Welwyn, AL6 0RB22, Bracken Lane, Welwyn, AL6 0RB
• Sold Sep 2021£935,000 | 5 Bed House17, Woodland Way, Welwyn, AL6 0RZ17, Woodland Way, Welwyn, AL6 0RZ
• Sold Oct 2020£940,000 | 5 Bed House31, Turpins Chase, Welwyn, AL6 0RP31, Turpins Chase, Welwyn, AL6 0RP
• Sold Mar 2020£752,000 | 4 Bed House11, Mardley Dell, Welwyn, AL6 0UR11, Mardley Dell, Welwyn, AL6 0UR
• Sold Mar 2019£790,000 | 5 Bed House1, Roundabout Lane, Welwyn, AL6 0TQ1, Roundabout Lane, Welwyn, AL6 0TQ
• Sold Dec 2018£750,000 | 5 Bed House1A, Chestnut Walk, Welwyn, AL6 0SB1A, Chestnut Walk, Welwyn, AL6 0SB
• Sold Dec 2018£925,000 | 5 Bed House13, Bracken Lane, Welwyn, AL6 0RB13, Bracken Lane, Welwyn, AL6 0RB
• Sold Feb 2018£857,000 | 5 Bed House29, Mardley Hill, Welwyn, AL6 0TT29, Mardley Hill, Welwyn, AL6 0TT
• Sold Dec 2017£885,000 | 5 Bed HouseBirch Cottage, Woodland Way, Welwyn, AL6 0RZBirch Cottage, Woodland Way, Welwyn, AL6 0RZ
• Sold Oct 2017£825,000 | 5 Bed House16A, Briary Wood Lane, Welwyn, AL6 0TF16A, Briary Wood Lane, Welwyn, AL6 0TF
• Sold Oct 2017£763,000 | 4 Bed House8, The Drive, Welwyn, AL6 0TR8, The Drive, Welwyn, AL6 0TR
• Sold Aug 2017£860,000 | 5 Bed HouseHawthorn Cottage, Woodland Way, Welwyn, AL6 0RZHawthorn Cottage, Woodland Way, Welwyn, AL6 0RZ
• Sold Dec 2013£330,000 | 5 Bed House15, Rosecroft Lane, Welwyn, AL6 0UB15, Rosecroft Lane, Welwyn, AL6 0UB
• Sold May 2013£620,000 | 5 Bed House14A, The Drive, Welwyn, AL6 0TR14A, The Drive, Welwyn, AL6 0TR
• Sold Apr 2012£450,000 | 5 Bed House4A, The Drive, Welwyn, AL6 0TR4A, The Drive, Welwyn, AL6 0TR

Of the 16 addresses on Rosecroft Lane, Welwyn, AL6, 4, Rosecroft Lane, Welwyn comes out as the 5th largest and the most expensive in our analysis of the public data.

It is also £282k more expensive than the average property across the AL6 district.

• St Michael's Woolmer Green CofE VA Primary School

  700 m away
• Oaklands Primary School

  900 m away
• All Saints Church of England Voluntary Aided Primary School, Datchworth

  2.1 km away

• Monk's Walk School

  3.3 km away
• Ridgeway Academy

  4.8 km away
• Barnwell School

  5.1 km away

• Welwyn North

  |

  2.4 km away
• Knebworth

  |

  2.5 km away
• Watton-at-Stone

  |

  4.7 km away

The flood risk here is rated Very Low, based on Environment Agency data.