21, Castleton Avenue, Northallerton occupies a 429 m² plot as recorded by HM Land Registry.

Of the 10 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 2nd largest.

21, Castleton Avenue, Northallerton has an Energy Performance Rating (EPC) of E. This is based on the most recent assessment, dated 26 Nov 2024.

The property is connected to mains gas and has fully double glazed windows. It is heated using electric storage heaters.

21, Castleton Avenue, Northallerton last changed hands on 4th February 2025, selling for £260,000. 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 dropped by 10.2% since February 2025.

• Sold Feb 2025£260,000

Land Registry records and our Estate Agent network show 231 sales of comparable properties within 890 metres of 21, Castleton Avenue, Northallerton since 2018.

Most recently, 5, Aysgarth Grove, Northallerton, DL7 8HY, a freehold house, sold at £250,000 on the 7th November 2025.

Read more about house prices in DL7.

• Sold Nov 2025£250,000 | 3 Bed House5, Aysgarth Grove, Northallerton, DL7 8HY5, Aysgarth Grove, Northallerton, DL7 8HY
• Sold Jun 2025£250,000 | 3 Bed House20, Wycliffe Avenue, Northallerton, DL7 8SZ20, Wycliffe Avenue, Northallerton, DL7 8SZ
• Sold Mar 2025£255,000 | 3 Bed House37, The Close, Northallerton, DL7 8BL37, The Close, Northallerton, DL7 8BL
• Sold Mar 2025£299,000 | 3 Bed House9, Grassington Avenue, Northallerton, DL7 8SY9, Grassington Avenue, Northallerton, DL7 8SY
• Sold Dec 2024£230,000 | 3 Bed House4, Newsham Way, Northallerton, DL7 8HT4, Newsham Way, Northallerton, DL7 8HT
• Sold Nov 2024£240,000 | 3 Bed House18, Aysgarth Grove, Northallerton, DL7 8HY18, Aysgarth Grove, Northallerton, DL7 8HY
• Sold Jul 2024£300,000 | 3 Bed House10, Poplar Crescent, Northallerton, DL7 8BD10, Poplar Crescent, Northallerton, DL7 8BD
• Sold May 2024£258,000 | 3 Bed House5, Coverham Close, Northallerton, DL7 8SS5, Coverham Close, Northallerton, DL7 8SS
• Sold Nov 2023£212,820 | 3 Bed House11, Newsham Way, Northallerton, DL7 8HS11, Newsham Way, Northallerton, DL7 8HS
• Sold Sep 2023£250,000 | 3 Bed House4, Hambleton Avenue, Northallerton, DL7 8SW4, Hambleton Avenue, Northallerton, DL7 8SW
• Sold Aug 2023£282,500 | 3 Bed House14, Grassington Avenue, Northallerton, DL7 8SY14, Grassington Avenue, Northallerton, DL7 8SY
• Sold Feb 2023£234,950 | 3 Bed House19, Grassington Avenue, Northallerton, DL7 8SY19, Grassington Avenue, Northallerton, DL7 8SY
• Sold Nov 2022£287,500 | 3 Bed House12, Coverham Close, Northallerton, DL7 8SS12, Coverham Close, Northallerton, DL7 8SS
• Sold Apr 2022£242,500 | 3 Bed House24, Aysgarth Grove, Northallerton, DL7 8HY24, Aysgarth Grove, Northallerton, DL7 8HY
• Sold May 2020£171,000 | 3 Bed House14, Penhill Court, Northallerton, DL7 8ST14, Penhill Court, Northallerton, DL7 8ST
• Sold Jan 2020£212,000 | 3 Bed House12, Penhill Court, Northallerton, DL7 8ST12, Penhill Court, Northallerton, DL7 8ST
• Sold Jun 2019£205,000 | 3 Bed House25, Wycliffe Avenue, Northallerton, DL7 8SZ25, Wycliffe Avenue, Northallerton, DL7 8SZ
• Sold Nov 2018£207,500 | 3 Bed House11, Coverham Close, Northallerton, DL7 8SS11, Coverham Close, Northallerton, DL7 8SS
• Sold Jul 2018£263,000 | 3 Bed House17, Grassington Avenue, Northallerton, DL7 8SY17, Grassington Avenue, Northallerton, DL7 8SY
• Sold Jun 2018£206,000 | 3 Bed House10, Penhill Court, Northallerton, DL7 8ST10, Penhill Court, Northallerton, DL7 8ST

Our analysis of the public data ranks 21, Castleton Avenue, Northallerton as the 11th largest and the 14th most expensive of the 14 addresses on Castleton Avenue, Northallerton, DL7.

Against the DL7 postcode district average, it is £20k less expensive than the typical property.

• Romanby Primary School

  500 m away
• Sacred Heart Catholic Primary School - a Catholic voluntary academy

  600 m away
• Broomfield School

  600 m away

• Northallerton School & Sixth Form College

  1.3 km away
• Bedale High School

  10.7 km away
• Thirsk School & Sixth Form College

  13.1 km away

• Northallerton

  |

  700 m away
• Thirsk

  |

  11.9 km away
• Yarm

  |

  19.5 km away

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