HM Land Registry records the plot of land for 21, Castle Close, Dunstable as measuring 561 m².

That makes it the 12th largest plot in the postcode, where all 21 other houses have recorded plot data.

21, Castle Close, Dunstable has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 02 Jun 2016.

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 21, Castle Close, Dunstable completed on 17th August 2016 at £410,000 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 16.2% over the period since August 2016.

• Sold Aug 2016£410,000
• Sold Apr 1999£123,000

Since 2012 68 properties similar to 21, Castle Close, Dunstable have sold within a radius of 2.0 kilometres, per the Land Registry and our network of Estate Agents.

The latest, on the 7th November 2025, was 3, Knolls View, Dunstable, LU6 2BT, a freehold house which sold for £365,000.

Read more about house prices in LU6.

• Sold Nov 2025£365,000 | 3 Bed House3, Knolls View, Dunstable, LU6 2BT3, Knolls View, Dunstable, LU6 2BT
• Sold Mar 2025£380,000 | 3 Bed House4, Brownlow Rise, Dunstable, LU6 1QL4, Brownlow Rise, Dunstable, LU6 1QL
• Sold Jan 2025£352,500 | 3 Bed House7, Church Road, Dunstable, LU6 1RE7, Church Road, Dunstable, LU6 1RE
• Sold Dec 2024£492,500 | 3 Bed House117, High Street, Dunstable, LU6 2DW117, High Street, Dunstable, LU6 2DW
• Sold Oct 2024£465,000 | 3 Bed House28, The Rye, Dunstable, LU6 2BQ28, The Rye, Dunstable, LU6 2BQ
• Sold Aug 2024£360,000 | 3 Bed House5, Church Green, Dunstable, LU6 1RF5, Church Green, Dunstable, LU6 1RF
• Sold Aug 2024£396,400 | 3 Bed House18, Wallace Drive, Dunstable, LU6 2DF18, Wallace Drive, Dunstable, LU6 2DF
• Sold Nov 2023£400,000 | 3 Bed House90, Castle Hill Road, Dunstable, LU6 1QG90, Castle Hill Road, Dunstable, LU6 1QG
• Sold Aug 2023£435,000 | 3 Bed House8, Castle Close, Dunstable, LU6 1QJ8, Castle Close, Dunstable, LU6 1QJ
• Sold Dec 2022£485,000 | 3 Bed House98, Castle Hill Road, Dunstable, LU6 1QG98, Castle Hill Road, Dunstable, LU6 1QG
• Sold Nov 2021£525,000 | 3 Bed House167, Castle Hill Road, Dunstable, LU6 1QQ167, Castle Hill Road, Dunstable, LU6 1QQ
• Sold Mar 2021£410,000 | 3 Bed House20, Brownlow Rise, Dunstable, LU6 1QL20, Brownlow Rise, Dunstable, LU6 1QL
• Sold Jan 2021£342,000 | 3 Bed House74, Castle Hill Road, Dunstable, LU6 1QG74, Castle Hill Road, Dunstable, LU6 1QG
• Sold Sep 2020£417,500 | 3 Bed House13, Castle Close, Dunstable, LU6 1QJ13, Castle Close, Dunstable, LU6 1QJ
• Sold Dec 2017£325,000 | 3 Bed House14C, The Nurseries, Dunstable, LU6 2AX14C, The Nurseries, Dunstable, LU6 2AX
• Sold Sep 2017£375,000 | 2 Bed House19, Castle Close, Dunstable, LU6 1QJ19, Castle Close, Dunstable, LU6 1QJ
• Sold Jun 2017£375,000 | 3 Bed House2, Castle Close, Dunstable, LU6 1QJ2, Castle Close, Dunstable, LU6 1QJ
• Sold Mar 2017£370,000 | 3 Bed House108, Castle Hill Road, Dunstable, LU6 1QG108, Castle Hill Road, Dunstable, LU6 1QG
• Sold Dec 2015£332,500 | 3 Bed House20, Castle Close, Dunstable, LU6 1QJ20, Castle Close, Dunstable, LU6 1QJ
• Sold Jun 2012£277,000 | 3 Bed House6, Castle Close, Dunstable, LU6 1QJ6, Castle Close, Dunstable, LU6 1QJ

Of the 21 addresses on Castle Close, Totternhoe, Dunstable, LU6, 21, Castle Close, Dunstable comes out as the 15th largest and the 16th most expensive in our analysis of the public data.

It is also £43k more expensive than the average property across the LU6 district.

• Totternhoe Church of England Academy

  900 m away
• Eaton Bray Academy

  1.2 km away
• Lancot School

  2.1 km away

• All Saints Academy Dunstable

  3.1 km away
• Queensbury Academy

  3.2 km away
• Manshead Church of England Academy

  5.4 km away

• Cheddington

  |

  6.9 km away
• Leighton Buzzard

  |

  7.9 km away
• Leagrave

  |

  8.1 km away

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