21, Castle Street, Sleaford, NG34 7QE
21  Castle Street

21 Castle StreetHouse Prices / East Midlands, North Kesteven, Castle Street, NG34 7QE

Last updated Jun 2026

Key Building Insights

21 Castle Street is a residential building situated on Castle Street, Sleaford, NG34 with 4 addresses.

It ranks as the 150th largest and 119th most expensive of the 200 buildings in the NG34 area. The dominant property type is a modern flat built after 1980.

The building contains a total of 4 properties: 4 flats.

4
Properties
  • Flats

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House Pricesin 21 Castle Street

Sale prices range from £75,935 for 2 bedroom leasehold flats (505 ft2) to £110,076 for 3 bedroom freehold houses with a garden (635 ft2) .

Monthly rental prices range from £441 pcm for 2 bed flats to £639 pcm for 3 bed houses.

The gross rental yield is between 6.5% and 7.0%.

The average value per square foot is £161.

Average Sale Value
£95,299
Average Rental Value
£545 pcm
Average Rental Yield
6.9% /year
Average Value Per Sqft
£161 /ft2
Prices last updated 1st June 2026
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Sales History
in 21, Castle Street, Sleaford, NG34 7QE

The last sale was on 9th May 2025 for £123,000 and since then the market in the area has decreased by 0.6%. The building has had a total of 18 sales since 1995.

21, Castle Street, Sleaford, NG34 7QE has seen 1 sale in the last three years and no sales in the last twelve months.

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Property Typesin 21 Castle Street

  • 2 modern houses built after 1980
  • 2 modern flats built after 1980
  • modern house (2)
  • modern flat (2)
Energy Efficiency

Energy Efficiencyof properties in 21 Castle Street

  • Energy Performance Certificate (EPC) surveys conducted for 4 properties.
  • The dominant rating is D.
  • A (0)
  • E (1)
  • B (0)
  • F (0)
  • C (0)
  • G (0)
  • D (3)
  • No EPC (0)
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Schools Nearby

Schools Nearby

The nearest primary school to 21, Castle Street, Sleaford, NG34 7QE is Church Lane Primary School & Nursery, which is 500 metres away.
  • 500
    m
    Church Lane Primary School & Nursery
  • 500
    m
    Our Lady of Good Counsel Catholic Primary School, A Voluntary Academy
  • 800
    m
    William Alvey School
The nearest secondary school is Kesteven and Sleaford High School Selective Academy, which is 300 metres away.
  • 300
    m
    Kesteven and Sleaford High School Selective Academy
  • 300
    m
    St George's Academy
  • 600
    m
    Carre's Grammar School
More reading links
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to 21, Castle Street, Sleaford, NG34 7QE is Sleaford station, which is 400 metres away.

  • 400
    m
    Sleaford
  • 3.2
    km
    Rauceby
  • 5.3
    km
    Ruskington
  • 8.2
    km
    Ancaster
Source: National Rail
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