According to data from HM Land Registry, 21, Windsor Close, Sleaford sits on a plot of 287 m².

We have plot size data on 37 out of 37 other houses in the postcode and 21, Windsor Close, Sleaford sits on the 30th largest plot.

21, Windsor Close, Sleaford has an Energy Performance Rating (EPC) of C. This is based on the most recent assessment, dated 28 Jan 2026.

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

According to HM Land Registry, 21, Windsor Close, Sleaford was last sold on 13th July 2007 for £159,500 and was recorded as a freehold house.

The property has only had this single sale since 1995.

Since July 2007, the market for similar properties has risen by 45.0%.

• Sold Jul 2007£159,500

According to the Land Registry and our network of Estate Agents, there have been 152 sales of properties similar to 21, Windsor Close, Sleaford within a radius of 740 metres since 2015.

The most recent example is 187, Grantham Road, Sleaford, NG34 7NY, a freehold house which sold for £520,000 on the 30th April 2026.

Read more about house prices in NG34.

• Sold Apr 2026£520,000 | 4 Bed House187, Grantham Road, Sleaford, NG34 7NY187, Grantham Road, Sleaford, NG34 7NY
• Sold Jan 2026£347,000 | 4 Bed House1, Abbey Road, Sleaford, NG34 7XB1, Abbey Road, Sleaford, NG34 7XB
• Sold Jan 2026£365,000 | 4 Bed House19, Bede Close, Sleaford, NG34 8WE19, Bede Close, Sleaford, NG34 8WE
• Sold Nov 2025£317,500 | 4 Bed House15, Bernicia Drive, Sleaford, NG34 8WF15, Bernicia Drive, Sleaford, NG34 8WF
• Sold Jul 2025£307,500 | 4 Bed House7, Priory Way, Sleaford, NG34 7XD7, Priory Way, Sleaford, NG34 7XD
• Sold Feb 2025£250,000 | 4 Bed House1, Priory Way, Sleaford, NG34 7XD1, Priory Way, Sleaford, NG34 7XD
• Sold Jun 2024£330,000 | 4 Bed House9, Spire View, Sleaford, NG34 7RN9, Spire View, Sleaford, NG34 7RN
• Sold Jul 2023£310,000 | 4 Bed House15, Mercia Close, Sleaford, NG34 8WP15, Mercia Close, Sleaford, NG34 8WP
• Sold May 2023£303,500 | 4 Bed House24, Malvern Close, Sleaford, NG34 7RA24, Malvern Close, Sleaford, NG34 7RA
• Sold Sep 2022£310,000 | 4 Bed House4, Priory Way, Sleaford, NG34 7XD4, Priory Way, Sleaford, NG34 7XD
• Sold Jun 2022£315,000 | 4 Bed House20, Wessex Close, Sleaford, NG34 8WY20, Wessex Close, Sleaford, NG34 8WY
• Sold May 2022£300,000 | 4 Bed House51, Abbey Road, Sleaford, NG34 7XB51, Abbey Road, Sleaford, NG34 7XB
• Sold Apr 2022£305,000 | 4 Bed House11, Spire View, Sleaford, NG34 7RN11, Spire View, Sleaford, NG34 7RN
• Sold Jan 2022£295,000 | 4 Bed House25, Malvern Close, Sleaford, NG34 7RA25, Malvern Close, Sleaford, NG34 7RA
• Sold Sep 2021£289,950 | 4 Bed House14, Mercia Close, Sleaford, NG34 8WP14, Mercia Close, Sleaford, NG34 8WP
• Sold Jul 2021£265,000 | 4 Bed House7, Mercia Close, Sleaford, NG34 8WP7, Mercia Close, Sleaford, NG34 8WP
• Sold May 2021£267,500 | 4 Bed House10, Aidan Road, Sleaford, NG34 8UU10, Aidan Road, Sleaford, NG34 8UU
• Sold Aug 2020£260,000 | 4 Bed House22, Malvern Close, Sleaford, NG34 7RA22, Malvern Close, Sleaford, NG34 7RA
• Sold May 2019£250,000 | 4 Bed House12, Malvern Close, Sleaford, NG34 7RA12, Malvern Close, Sleaford, NG34 7RA
• Sold Apr 2015£188,500 | 4 Bed House36, Spire View, Sleaford, NG34 7RN36, Spire View, Sleaford, NG34 7RN

Windsor Close, Sleaford, NG34 has a total of 37 addresses. According to our analysis of all the public data, 21, Windsor Close, Sleaford is the 10th largest and the 19th most expensive property on the street.

When compared to the postcode district it is £46k more expensive than the average property in NG34.

• St Botolph's C of E Primary School

  500 m away
• Our Lady of Good Counsel Catholic Primary School, A Voluntary Academy

  1.4 km away
• Church Lane Primary School & Nursery

  1.8 km away

• Kesteven and Sleaford High School Selective Academy

  1.4 km away
• St George's Academy

  1.5 km away
• Carre's Grammar School

  1.8 km away

• Sleaford

  |

  1.3 km away
• Rauceby

  |

  2.0 km away
• Ruskington

  |

  6.5 km away

According to data from the Environment Agency, the flood risk in this area is considered to be Very Low.