12, Oaklea, Welwyn occupies a 839 m² plot as recorded by HM Land Registry.

All 14 other houses in this postcode have recorded plot sizes, and this one ranks as the 4th largest.

12, Oaklea, Welwyn has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 04 Apr 2019.

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

12, Oaklea, Welwyn last changed hands on 15th January 2021, selling for £590,000. The transaction was logged as a freehold house by HM Land Registry.

That is its only recorded sale since 1995.

The market for similar properties has risen by 15.7% since January 2021.

• Sold Jan 2021£590,000

Land Registry records and our Estate Agent network show 238 sales of comparable properties within 1.5 kilometres of 12, Oaklea, Welwyn since 2018.

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 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 Jun 2025£725,000 | 4 Bed House23, Birch Grove, Welwyn, AL6 0QP23, Birch Grove, Welwyn, AL6 0QP
• Sold Feb 2025£670,000 | 4 Bed House18, Birch Grove, Welwyn, AL6 0QP18, Birch Grove, Welwyn, AL6 0QP
• Sold Jan 2024£700,000 | 4 Bed House3, Leonards Close, Welwyn, AL6 0QJ3, Leonards Close, Welwyn, AL6 0QJ
• Sold Sep 2023£745,000 | 4 Bed House17, The Chase, Welwyn, AL6 0QT17, The Chase, Welwyn, AL6 0QT
• Sold Mar 2023£680,000 | 4 Bed House22, Oaklea, Welwyn, AL6 0PU22, Oaklea, Welwyn, AL6 0PU
• Sold Jun 2022£830,000 | 4 Bed House5, Heathbrow Road, Welwyn, AL6 0QG5, Heathbrow Road, Welwyn, AL6 0QG
• Sold Jun 2021£655,000 | 4 Bed House10, Oaklea Wood, Welwyn, AL6 0PJ10, Oaklea Wood, Welwyn, AL6 0PJ
• Sold Mar 2021£742,500 | 4 Bed House20, Bluebells, Welwyn, AL6 0XD20, Bluebells, Welwyn, AL6 0XD
• Sold Feb 2021£575,000 | 4 Bed House8, Birch Grove, Welwyn, AL6 0QP8, Birch Grove, Welwyn, AL6 0QP
• Sold Oct 2020£665,000 | 4 Bed House3, The Chase, Welwyn, AL6 0QT3, The Chase, Welwyn, AL6 0QT
• Sold Sep 2020£685,000 | 4 Bed House2, The Chase, Welwyn, AL6 0QT2, The Chase, Welwyn, AL6 0QT
• Sold Sep 2020£545,000 | 4 Bed House9, Birch Grove, Welwyn, AL6 0QP9, Birch Grove, Welwyn, AL6 0QP
• Sold Jul 2020£745,000 | 4 Bed House21, Bluebells, Welwyn, AL6 0XD21, Bluebells, Welwyn, AL6 0XD
• Sold Dec 2019£627,500 | 4 Bed House25, The Chase, Welwyn, AL6 0QT25, The Chase, Welwyn, AL6 0QT
• Sold Oct 2019£695,000 | 4 Bed House16, Canonsfield, Welwyn, AL6 0QD16, Canonsfield, Welwyn, AL6 0QD
• Sold Jun 2018£643,000 | 4 Bed House10, The Chase, Welwyn, AL6 0QT10, The Chase, Welwyn, AL6 0QT
• Sold Feb 2018£625,000 | 4 Bed House14, Canonsfield, Welwyn, AL6 0QD14, Canonsfield, Welwyn, AL6 0QD

Our analysis of the public data ranks 12, Oaklea, Welwyn as the 19th largest and the 17th most expensive of the 47 addresses on Oaklea, Welwyn, AL6.

Against the AL6 postcode district average, it is £58k less expensive than the typical property.

• Oaklands Primary School

  100 m away
• St Michael's Woolmer Green CofE VA Primary School

  1.6 km away
• Welwyn St Mary's Church of England Voluntary Aided Primary School

  2.1 km away

• Monk's Walk School

  2.6 km away
• Ridgeway Academy

  4.6 km away
• Barnwell School

  5.7 km away

• Welwyn North

  |

  2.1 km away
• Knebworth

  |

  2.9 km away
• Welwyn Garden City

  |

  4.5 km away

Environment Agency data suggests this area has a Very Low risk of flooding.