According to data from HM Land Registry, 23, Mark Avenue, Sleaford sits on a plot of 212 m².

We have plot size data on 19 out of 27 other houses in the postcode and 23, Mark Avenue, Sleaford sits on the 18th largest plot.

23, Mark Avenue, Sleaford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 25 Sep 2021.

The property is connected to mains gas and has mostly double glazing. It is heated using a boiler and radiators (mains gas).

According to HM Land Registry, 23, Mark Avenue, Sleaford was last sold on 1st April 2022 for £179,950 and was recorded as a freehold house.

The property has had 2 sales since 1995.

Since April 2022, the market for similar properties has risen by 9.7%.

• Sold Apr 2022£179,950
• Sold Sep 2005£135,000

According to the Land Registry and our network of Estate Agents, there have been 153 sales of properties similar to 23, Mark Avenue, Sleaford within a radius of 860 metres since 2018.

The most recent example is 10, Jonathan Gardens, Sleaford, NG34 7HF, a freehold house which sold for £220,000 on the 3rd October 2025.

Read more about house prices in NG34.

• Sold Oct 2025£220,000 | 3 Bed House10, Jonathan Gardens, Sleaford, NG34 7HF10, Jonathan Gardens, Sleaford, NG34 7HF
• Sold Oct 2025£180,000 | 3 Bed House17, Russell Crescent, Sleaford, NG34 7JF17, Russell Crescent, Sleaford, NG34 7JF
• Sold Sep 2025£185,000 | 3 Bed House60, Boston Road, Sleaford, NG34 7HU60, Boston Road, Sleaford, NG34 7HU
• Sold Aug 2025£195,000 | 3 Bed House1, Mark Avenue, Sleaford, NG34 7HE1, Mark Avenue, Sleaford, NG34 7HE
• Sold Dec 2024£240,000 | 3 Bed House14, Mark Avenue, Sleaford, NG34 7HE14, Mark Avenue, Sleaford, NG34 7HE
• Sold Sep 2024£140,000 | 3 Bed House18, Russell Crescent, Sleaford, NG34 7JF18, Russell Crescent, Sleaford, NG34 7JF
• Sold Oct 2023£177,500 | 3 Bed House122, St. Giles Avenue, Sleaford, NG34 7JD122, St. Giles Avenue, Sleaford, NG34 7JD
• Sold Sep 2023£202,000 | 3 Bed House9, Mark Avenue, Sleaford, NG34 7HE9, Mark Avenue, Sleaford, NG34 7HE
• Sold Jun 2023£220,000 | 3 Bed House2, Mark Avenue, Sleaford, NG34 7HE2, Mark Avenue, Sleaford, NG34 7HE
• Sold Apr 2023£147,000 | 3 Bed House17, Mark Avenue, Sleaford, NG34 7HE17, Mark Avenue, Sleaford, NG34 7HE
• Sold Jul 2022£225,000 | 3 Bed House54, Boston Road, Sleaford, NG34 7HU54, Boston Road, Sleaford, NG34 7HU
• Sold Feb 2022£210,000 | 3 Bed House43, Russell Crescent, Sleaford, NG34 7JF43, Russell Crescent, Sleaford, NG34 7JF
• Sold Mar 2021£190,000 | 3 Bed House26, Russell Crescent, Sleaford, NG34 7JF26, Russell Crescent, Sleaford, NG34 7JF
• Sold Feb 2021£175,000 | 3 Bed House28, Russell Crescent, Sleaford, NG34 7JF28, Russell Crescent, Sleaford, NG34 7JF
• Sold Sep 2019£172,000 | 3 Bed House22, Stephens Way, Sleaford, NG34 7JN22, Stephens Way, Sleaford, NG34 7JN
• Sold Aug 2019£146,000 | 3 Bed House25, Mark Avenue, Sleaford, NG34 7HE25, Mark Avenue, Sleaford, NG34 7HE
• Sold Aug 2018£145,500 | 3 Bed House13, Russell Crescent, Sleaford, NG34 7JF13, Russell Crescent, Sleaford, NG34 7JF
• Sold May 2018£162,000 | 3 Bed House24, Stephens Way, Sleaford, NG34 7JN24, Stephens Way, Sleaford, NG34 7JN
• Sold Mar 2018£159,000 | 3 Bed House11, Stephens Way, Sleaford, NG34 7JN11, Stephens Way, Sleaford, NG34 7JN
• Sold Feb 2018£142,000 | 3 Bed House29, Mark Avenue, Sleaford, NG34 7HE29, Mark Avenue, Sleaford, NG34 7HE

Mark Avenue, Sleaford, NG34 has a total of 27 addresses. According to our analysis of all the public data, 23, Mark Avenue, Sleaford is the 9th largest and the 7th most expensive property on the street.

When compared to the postcode district it is £34k less expensive than the average property in NG34.

• William Alvey School

  800 m away
• Church Lane Primary School & Nursery

  1.0 km away
• Our Lady of Good Counsel Catholic Primary School, A Voluntary Academy

  1.6 km away

• Kesteven and Sleaford High School Selective Academy

  900 m away
• Carre's Grammar School

  1.1 km away
• St George's Academy

  1.2 km away

• Sleaford

  |

  900 m away
• Rauceby

  |

  4.2 km away
• Ruskington

  |

  5.1 km away

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