Our Data Sources
11, King John Street, Sleaford has a single entry in the Land Registry from April 2025 and a single entry in the EPC database dated October 2022.
We combine this information with that of neighbouring properties to estimate the property attributes and values.
The local information is scored as 5 out of 5 and is considered of high accuracy.
Price Range & Condition
In very good condition, we estimate 11, King John Street, Sleaford would be worth £152,561, with a potential rental value of £815 per month.
If substantial cosmetic improvements are needed, the estimated sale value falls to £135,126, with a rental value of £722 per month.
The extent to which decoration affects a property's value depends on its type, size and location.
Plot Size
11, King John Street, Sleaford occupies a 159 m2 plot as recorded by HM Land Registry.
Of the 23 other houses in this postcode, 8 have recorded plot sizes, and this one ranks as the 5th largest.
Energy Efficiency
11, King John Street, Sleaford has an Energy Performance Rating (EPC) of D. This is based on the most recent assessment, dated 04 Oct 2022.
The property is connected to mains gas and has fully double glazed windows. It is heated using Boiler and radiators, mains gas.
Sold Prices
11, King John Street, Sleaford last changed hands on 23rd April 2025, selling for £145,000. The transaction was logged as a freehold house by HM Land Registry.
That is its only recorded sale since 1995.
The market for similar properties has risen by 42.3% since April 2025.
- Sold Apr 2025£145,000
Similar Properties Sold Nearby
Land Registry records and our Estate Agent network show 131 sales of comparable properties within 580 metres of 11, King John Street, Sleaford across the last 2 years.
Most recently, 14, Alexandra Road, Sleaford, NG34 7QW, a freehold house, sold at £155,000 on the 13th February 2026.
Read more about house prices in NG34.
- Sold Feb 2026£155,000 | 3 Bed House14, Alexandra Road, Sleaford, NG34 7QW14, Alexandra Road, Sleaford, NG34 7QW
- Sold Dec 2025£137,500 | 3 Bed House5, Castle Terrace, Sleaford, NG34 7QG5, Castle Terrace, Sleaford, NG34 7QG
- Sold Jul 2025£117,000 | 3 Bed House12, Castle Street, Sleaford, NG34 7QE12, Castle Street, Sleaford, NG34 7QE
•Nearby is defined as the radius comprising the nearest 2,000 addresses.
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Location Comparison
Our analysis of the public data ranks 11, King John Street, Sleaford as the 7th largest and the 7th most expensive of the 23 addresses on King John Street, Sleaford, NG34.
Against the NG34 postcode district average, it is £96k less expensive than the typical property.
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Schools Nearby
- Our Lady of Good Counsel Catholic Primary School, A Voluntary Academy500 m away
- Church Lane Primary School & Nursery600 m away
- St Botolph's C of E Primary School800 m away
- Kesteven and Sleaford High School Selective Academy300 m away
- St George's Academy400 m away
- Carre's Grammar School600 m away
More reading links
Public Transport Nearby
- Sleaford|500 m away
- Rauceby|3.1 km away
- Ruskington|5.4 km away
Available Internet Speeds
Ofcom's latest figures show superfast broadband available in this area.
According to recent data from Ofcom, Superfast Broadband is available in the area.
Risk of Flooding
Environment Agency data suggests this area has a Low risk of flooding.












