20, Dunnock Close, Knebworth has an Energy Performance Rating (EPC) of B. This is based on the most recent assessment, dated 09 Jan 2025.

The property is not connected to mains gas and has high performance glazing. It is heated using a boiler and radiators (mains gas).

The most recent sale of 20, Dunnock Close, Knebworth completed on 30th June 2025 at £540,000 and was recorded by HM Land Registry as a freehold house.

Since 1995 this is the property's only sale.

Values of comparable properties have risen by 0.1% over the period since June 2025.

• Sold Jun 2025£540,000

Since 2008 41 properties similar to 20, Dunnock Close, Knebworth have sold within a radius of 840 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 4th February 2026, was 11, Berkeley Close, Stevenage, SG2 8SG, a freehold house which sold for £595,000.

Read more about house prices in SG3.

• Sold Feb 2026£595,000 | 4 Bed House11, Berkeley Close, Stevenage, SG2 8SG11, Berkeley Close, Stevenage, SG2 8SG
• Sold Aug 2025£525,000 | 4 Bed House21, Dunnock Close, Knebworth, SG3 6FR21, Dunnock Close, Knebworth, SG3 6FR
• Sold Jun 2025£502,000 | 4 Bed House80, Dunnock Close, Knebworth, SG3 6FR80, Dunnock Close, Knebworth, SG3 6FR
• Sold Jun 2025£510,000 | 4 Bed House78, Dunnock Close, Knebworth, SG3 6FR78, Dunnock Close, Knebworth, SG3 6FR
• Sold May 2025£520,000 | 4 Bed House81, Dunnock Close, Knebworth, SG3 6FR81, Dunnock Close, Knebworth, SG3 6FR
• Sold May 2025£535,000 | 4 Bed House84, Dunnock Close, Knebworth, SG3 6FR84, Dunnock Close, Knebworth, SG3 6FR
• Sold May 2025£510,000 | 4 Bed House19, Dunnock Close, Knebworth, SG3 6FR19, Dunnock Close, Knebworth, SG3 6FR
• Sold Apr 2025£525,000 | 4 Bed House83, Dunnock Close, Knebworth, SG3 6FR83, Dunnock Close, Knebworth, SG3 6FR
• Sold Apr 2025£535,000 | 4 Bed House79, Dunnock Close, Knebworth, SG3 6FR79, Dunnock Close, Knebworth, SG3 6FR
• Sold Mar 2025£515,000 | 4 Bed House18, Dunnock Close, Knebworth, SG3 6FR18, Dunnock Close, Knebworth, SG3 6FR
• Sold Mar 2025£550,000 | 4 Bed House14, Dunnock Close, Knebworth, SG3 6FR14, Dunnock Close, Knebworth, SG3 6FR
• Sold Mar 2025£561,500 | 4 Bed House15, Grenville Way, Stevenage, SG2 8XZ15, Grenville Way, Stevenage, SG2 8XZ
• Sold Mar 2025£540,000 | 4 Bed House15, Dunnock Close, Knebworth, SG3 6FR15, Dunnock Close, Knebworth, SG3 6FR
• Sold Dec 2024£575,000 | 4 Bed House17, Dunnock Close, Knebworth, SG3 6FR17, Dunnock Close, Knebworth, SG3 6FR
• Sold Dec 2024£535,000 | 4 Bed House82, Dunnock Close, Knebworth, SG3 6FR82, Dunnock Close, Knebworth, SG3 6FR
• Sold Oct 2023£625,000 | 4 Bed House59, Grenville Way, Stevenage, SG2 8XZ59, Grenville Way, Stevenage, SG2 8XZ
• Sold Oct 2022£665,000 | 4 Bed House1, Grenville Way, Stevenage, SG2 8XZ1, Grenville Way, Stevenage, SG2 8XZ
• Sold Oct 2021£580,000 | 4 Bed House52, Grenville Way, Stevenage, SG2 8XZ52, Grenville Way, Stevenage, SG2 8XZ
• Sold Feb 2021£625,000 | 4 Bed House17, Grenville Way, Stevenage, SG2 8XZ17, Grenville Way, Stevenage, SG2 8XZ
• Sold Feb 2008£235,000 | 5 Bed House22, Knebworth Gate, Stevenage, SG2 8DF22, Knebworth Gate, Stevenage, SG2 8DF

Of the 86 addresses on Dunnock Close, Knebworth, SG3, 20, Dunnock Close, Knebworth comes out as the largest and the most expensive in our analysis of the public data.

It is also £21k more expensive than the average property across the SG3 district.

• St Margaret Clitherow Roman Catholic Primary School

  300 m away
• Roebuck Academy

  700 m away
• Shephalbury Park Primary School

  1.1 km away

• Barnwell School

  1.6 km away
• Marriotts School

  2.7 km away
• The Nobel School

  3.7 km away

• Knebworth

  |

  1.6 km away
• Stevenage

  |

  2.5 km away
• Watton-at-Stone

  |

  5.7 km away

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