HM Land Registry records the plot of land for 3, Devey Close, Knebworth as measuring 780 m².

That makes it the largest plot in the postcode, where all 5 other houses have recorded plot data.

3, Devey Close, Knebworth has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 23 Mar 2009.

The property is not connected to mains gas and has high performance glazing. It is heated using sap05:main-heating.

The most recent sale of 3, Devey Close, Knebworth completed on 15th December 2009 at £500,000 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 71.2% over the period since December 2009.

• Sold Dec 2009£500,000

Since 2013 63 properties similar to 3, Devey Close, Knebworth have sold within a radius of 930 metres, per the Land Registry and our network of Estate Agents.

The latest, on the 17th February 2026, was 14, Pondcroft Road, Knebworth, SG3 6DB, a freehold house which sold for £880,000.

Read more about house prices in SG3.

• Sold Feb 2026£880,000 | 4 Bed House14, Pondcroft Road, Knebworth, SG3 6DB14, Pondcroft Road, Knebworth, SG3 6DB
• Sold Aug 2025£900,000 | 5 Bed House1 Church Gardens, Stevenage Road, Knebworth, SG3 6AR1 Church Gardens, Stevenage Road, Knebworth, SG3 6AR
• Sold Aug 2025£835,000 | 4 Bed House27, Stevenage Road, Knebworth, SG3 6NN27, Stevenage Road, Knebworth, SG3 6NN
• Sold Aug 2025£850,000 | 5 Bed House25, Park Lane, Knebworth, SG3 6PH25, Park Lane, Knebworth, SG3 6PH
• Sold Aug 2025£920,000 | 5 Bed House12, Stevenage Road, Knebworth, SG3 6AW12, Stevenage Road, Knebworth, SG3 6AW
• Sold Mar 2025£700,000 | 5 Bed House47, Deanscroft, Knebworth, SG3 6BD47, Deanscroft, Knebworth, SG3 6BD
• Sold Sep 2024£685,000 | 5 Bed House27, Lytton Fields, Knebworth, SG3 6BA27, Lytton Fields, Knebworth, SG3 6BA
• Sold Sep 2024£768,500 | 4 Bed House55, Pondcroft Road, Knebworth, SG3 6DE55, Pondcroft Road, Knebworth, SG3 6DE
• Sold Aug 2024£820,000 | 5 Bed House3, Deards Wood, Knebworth, SG3 6PG3, Deards Wood, Knebworth, SG3 6PG
• Sold May 2024£775,000 | 5 Bed House1, Devey Close, Knebworth, SG3 6EN1, Devey Close, Knebworth, SG3 6EN
• Sold Mar 2023£910,000 | 4 Bed House17, St. Martins Road, Knebworth, SG3 6ER17, St. Martins Road, Knebworth, SG3 6ER
• Sold Nov 2022£942,000 | 5 Bed House13, Deards Wood, Knebworth, SG3 6PG13, Deards Wood, Knebworth, SG3 6PG
• Sold Dec 2021£775,000 | 4 Bed House4, Devey Close, Knebworth, SG3 6EN4, Devey Close, Knebworth, SG3 6EN
• Sold Nov 2018£860,000 | 5 Bed House3, Keiths Wood, Knebworth, SG3 6PU3, Keiths Wood, Knebworth, SG3 6PU
• Sold Feb 2017£650,000 | 4 Bed House9, Oak Tree Gardens, Knebworth, SG3 6EQ9, Oak Tree Gardens, Knebworth, SG3 6EQ
• Sold Nov 2016£810,000 | 4 Bed House2, Stevenage Road, Knebworth, SG3 6AW2, Stevenage Road, Knebworth, SG3 6AW
• Sold Jan 2016£675,000 | 5 Bed House8A, Park Lane, Knebworth, SG3 6PE8A, Park Lane, Knebworth, SG3 6PE
• Sold Oct 2015£685,000 | 5 Bed House8B, Park Lane, Knebworth, SG3 6PE8B, Park Lane, Knebworth, SG3 6PE
• Sold Jun 2015£585,000 | 4 Bed House1, Danecote, Knebworth, SG3 6PB1, Danecote, Knebworth, SG3 6PB
• Sold Jun 2013£535,000 | 4 Bed House2 Church Gardens, Stevenage Road, Knebworth, SG3 6AR2 Church Gardens, Stevenage Road, Knebworth, SG3 6AR

Of the 5 addresses on Devey Close, Knebworth, SG3, 3, Devey Close, Knebworth comes out as the 2nd largest and the 2nd most expensive in our analysis of the public data.

It is also £319k more expensive than the average property across the SG3 district.

• Knebworth Primary and Nursery School

  500 m away
• Shephalbury Park Primary School

  1.9 km away
• St Margaret Clitherow Roman Catholic Primary School

  1.9 km away

• Barnwell School

  2.7 km away
• Marriotts School

  4.1 km away
• The Nobel School

  5.0 km away

• Knebworth

  |

  100 m away
• Stevenage

  |

  4.0 km away
• Watton-at-Stone

  |

  4.9 km away

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