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SG18 8AS
Home, House Prices, Market Square, Central Bedfordshire, East of England
SG18 8AS

Market Square - SG18 8AS

Last updated Jul 2026

Key Postcode Insights

SG18 8AS is a residential postcode situated on Market Square, Biggleswade, SG18 with 13 addresses.

It ranks as the 285th largest and 60th most expensive of the 718 postcodes in the SG18 area. The most common property type is a modern flat built after 1980.

The postcode contains a total of 13 properties: 13 flats.

Ave. Sale Price
£220,019
10 Year change
up 15.4%
Ave. Rental Price
£1,019pcm
10 Year change
up 39.2%
Ave. £ per ft²
£378/ft²
Ave. Gross Yield
5.6%/year/yr
All figures are subject to T&Cs
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Explore Propertiesin SG18 8AS

House
0 houses
Group
11 flats

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data sources

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Sales Market Trends

The last sale in SG18 8AS sold for £230,000 on 6th October 2023. Since then prices are down an average of 0.2%.

The current average value in the postcode is £220,019.
The SG18 8AS Sales Market has increased by 15.4% over the last 10 years.

PeriodYear on YearAverage Price
June 20260.8%£220,019
June 2025-1.9%£218,337
June 2024-0.5%£222,472
June 2023-1.3%£223,697
June 20225.2%£226,754
June 20213.9%£215,463
June 20200.2%£207,414
June 2019-2%£206,986
June 20183.2%£211,153
June 20177.2%£204,522
June 201614.5%£190,740
June 20158.6%£166,561
June 20149.8%£153,309
June 2013-0.2%£139,588
June 2012-1.4%£139,837
June 20112.8%£141,800
June 20105.7%£138,001
June 2009-16.7%£130,523
June 2008-1%£156,772
June 20070%£158,396
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Rental Market Trends

The current average rental value in the postcode is £1,019.
The SG18 8AS Rental Market has increased by 39.2% over the last 10 years.

PeriodYear on YearAverage Price
June 20262.8%£1,019pcm
June 20255.7%£992pcm
June 20247.1%£938pcm
June 20238.4%£876pcm
June 20225.1%£808pcm
June 20212.3%£769pcm
June 20201.6%£752pcm
June 20190%£740pcm
June 2018-2.2%£740pcm
June 20173.3%£756pcm
June 20166.2%£732pcm
June 20155.4%£690pcm
June 20145.2%£654pcm
June 20131.4%£622pcm
June 2012-1.7%£613pcm
June 20114.4%£624pcm
June 20101.7%£598pcm
June 2009-8.3%£588pcm
June 20082%£641pcm
June 20070%£629pcm
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Nearby Postcodes

SG18 8AS is the 285th largest and the 60th most expensive postcode out of the 718 postcodes in the SG18 area.

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Property Types

  • 1 period flat built between 1800 and 1911
  • 10 modern flats built after 1980
  • 2 other addresses of unknown type
  • period flat (1)
  • modern flat (10)
  • Unknown (2)
Energy Efficiency

Energy Efficiency

  • Energy Performance Certificate (EPC) surveys conducted for 11 properties.
  • The most common rating is C.
  • A (0)
  • E (1)
  • B (3)
  • F (0)
  • C (6)
  • G (0)
  • D (1)
  • No EPC (2)
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Top 3 Most Expensive Sales

Schools Nearby

Schools Nearby

The nearest primary school to SG18 8AS is St Andrew's CofE VC Primary School, which is 400 metres away.
  • St Andrew's CofE VC Primary School
    400 m away
  • Lawnside Academy
    600 m away
  • Biggleswade Academy
    1.0 km away
The nearest secondary school is Stratton School, which is 1.0 kilometres away.
  • Stratton School
    1.0 km away
  • Edward Peake CofE VC School
    1.5 km away
  • Sandy Secondary School
    6.0 km away
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Schools and house prices
Source: Ofsted 2026
Public Transport Nearby

Public Transport Nearby

The closest station to SG18 8AS is Biggleswade station, which is 300 metres away.

  • Biggleswade
    |
    300 m away
  • Sandy
    |
    4.4 km away
  • Arlesey
    |
    6.7 km away
  • Baldock
    |
    11.6 km away
Source: National Rail
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