House prices in SG18
Median value — November 2026
£384,000
Modelled from 9,474 properties Stede tracks in SG18
Market snapshot
£384,000
Median value
£437,211
Average value
375
Sales in the last 12 months
+1%
Change over the past year
Value over time
- Modelled value
- Projected
Modelled month by month from the UK House Price Index, averaged across every property type Stede tracks here.
View as a table
| Year | Modelled value |
|---|---|
| 2000 | £114,024 |
| 2001 | £127,618 |
| 2002 | £162,062 |
| 2003 | £176,592 |
| 2004 | £191,839 |
| 2005 | £197,096 |
| 2006 | £215,225 |
| 2007 | £232,688 |
| 2008 | £202,059 |
| 2009 | £199,361 |
| 2010 | £209,200 |
| 2011 | £201,343 |
| 2012 | £207,241 |
| 2013 | £218,721 |
| 2014 | £246,129 |
| 2015 | £280,694 |
| 2016 | £307,257 |
| 2017 | £326,012 |
| 2018 | £328,202 |
| 2019 | £318,679 |
| 2020 | £323,849 |
| 2021 | £342,187 |
| 2022 | £376,298 |
| 2023 | £358,191 |
| 2024 | £371,357 |
| 2025 | £378,480 |
| 2026 | £384,000 |
Property types
- Detached house31%£526,000
- Semi-detached house30%£381,000
- Mid-terrace house26%£311,000
- Flat / Maisonette11%£188,000
- Property2%£517,500
Recent sales
- 3 Chervil Close, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8WJ£265,000 · 2026£281,000
- 81 Osprey Road, Biggleswade, Central Bedfordshire, SG18 8HE£336,000 · 2026£358,000
- 87 Osprey Road, Biggleswade, Central Bedfordshire, SG18 8HE£330,000 · 2026£347,000
- 57 Saffron Road, Biggleswade, Central Bedfordshire, SG18 8DJ£138,180 · 2026£135,000
- 2 Mill Close, Biggleswade, Central Bedfordshire, SG18 8BQ£395,000 · 2026£449,000
- 12 Handel Way, Biggleswade, Central Bedfordshire, SG18 8TY£400,000 · 2026£457,000
- 16 Northfields, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 0HD£290,000 · 2026£306,000
- 21 Ivel Close, Langford, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 9RW£585,000 · 2026£595,000
Addresses in SG18
- Tunnel Cottages, 146, Bedford Road, Old Warden, Biggleswade, Central Bedfordshire, SG18 9LU£585,000 · 2016£572,000
- Tunnel Cottages, 147, Bedford Road, Old Warden, Biggleswade, Central Bedfordshire, SG18 9LU£326,000 · 2018£402,000
- Tunnel Cottages, 149, Bedford Road, Old Warden, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 9LU£245,000 · 2001£710,000
- Twin Trees Equestrian Centre, Thorncote Road, Northill, Biggleswade, Central Bedfordshire, SG18 9AG£568,066 · 2025£782,000
- Unit 1, Eldon Way, Biggleswade, Central Bedfordshire, SG18 8NH£16,424,692 · 2024£20,339,000
- Unit 1, Trading Estate, Biggleswade, Central Bedfordshire, SG18 8PW£425,000 · 2025£583,000
- Unit 3, Lancaster Way, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8YL£2,607,000 · 2019£3,651,000
- Unit 4, Lancaster Way, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8YL£11,800,000 · 2018£15,969,000
- Unit 4B-4C, Stratton Park, Biggleswade, Central Bedfordshire, SG18 8QS£171,600 · 2018£231,000
- Unit 5, Lancaster Way, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8YL£825,000 · 2019£1,156,000
- Unit 6, Montgomery Way, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8UB£14,631,622 · 2021£20,048,000
- Unit 7A, London Road Trading Estate, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8PS£160,000 · 1999£615,000
- Unit A, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8QB£3,500,000 · 2015£5,419,000
- Unit B, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8QB£4,325,000 · 2022£5,578,000
- Unit B1, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£325,800 · 2023£340,000
- Unit B5, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£149,998 · 2022£155,000
- Unit B6, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£149,998 · 2022£155,000
- Unit B7, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£397,800 · 2024£498,000
- Unit C1, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£1,219,922 · 2023£1,273,000
- Unit D1, Vision Business Park, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GH£145,824 · 2022£152,000
- Unit F, Biggleswade, Central Bedfordshire, SG18 8QB£470,000 · 1996£2,130,000
- Unit F1, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8QB£2,100,000 · 2019£2,852,000
- Unit F2, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8QB£2,100,000 · 2023£2,605,000
- Unit H, Stratton Business Park, Biggleswade, Central Bedfordshire, SG18 8QB£5,750,000 · 2024£7,193,000
- Ventura Business Park, Unit 1, Howitt Close, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GG£1,466,100 · 2022£1,788,000
- Ventura Business Park, Unit 3, Howitt Close, Upper Caldecote, Biggleswade, Central Bedfordshire, SG18 9GG£1,260,000 · 2020£1,717,000
- Victoria Court, Flat 1, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£85,000 · 2025£88,000
- Victoria Court, Flat 10, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£145,000 · 2023£136,000
- Victoria Court, Flat 11, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£145,000 · 2004£267,000
- Victoria Court, Flat 12, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£157,000 · 2017£141,000
- Victoria Court, Flat 14, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£86,000 · 2014£98,000
- Victoria Court, Flat 15, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£124,000 · 2016£109,000
- Victoria Court, Flat 16, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£37,000 · 1995£279,000
- Victoria Court, Flat 17, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£95,000 · 2024£97,000
- Victoria Court, Flat 18, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£100,000 · 2024£101,000
- Victoria Court, Flat 19, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£167,500 · 2017£155,000
- Victoria Court, Flat 2, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£125,000 · 2024£121,000
- Victoria Court, Flat 21, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£120,000 · 2022£108,000
- Victoria Court, Flat 22, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£70,000 · 2021£74,000
- Victoria Court, Flat 23, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£110,000 · 2021£106,000
- Victoria Court, Flat 24, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£97,500 · 2012£126,000
- Victoria Court, Flat 3, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£165,000 · 2019£155,000
- Victoria Court, Flat 4, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£147,000 · 2021£138,000
- Victoria Court, Flat 5, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£132,000 · 2016£112,000
- Victoria Court, Flat 6, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£43,000 · 1997£238,000
- Victoria Court, Flat 7, Back Street, Biggleswade, Mid Bedfordshire, Bedfordshire, SG18 8LG£60,000 · 2025£68,000
- Victoria Court, Flat 8, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£74,000 · 2012£96,000
- Victoria Court, Flat 9, Back Street, Biggleswade, Central Bedfordshire, SG18 8LG£132,500 · 2015£124,000
- Victoria House, 42 - 44, 1, Shortmead Street, Biggleswade, Central Bedfordshire, SG18 0AP£175,000 · 2022£180,000
- Victoria House, 42 - 44, 2, Shortmead Street, Biggleswade, Central Bedfordshire, SG18 0AP£180,000 · 2022£184,000
About this area
SG18 is a UK postcode district. Stede can model 9,474 properties there, from HM Land Registry Price Paid Data and the UK House Price Index.
As of November 2026, SG18 has a median estimated value of £384,000 and an average of £437,211.
Modelled values in SG18 are +1% over the past year and +12% over five years.
The market here is mostly detached houses, which make up 31% of the properties Stede tracks in SG18.
375 sales were recorded in SG18 over the past 12 months.
Common questions
What is the average house price in SG18?
As of November 2026, the average estimated value is £437,211 and the median is £384,000 across 9,474 properties Stede tracks in SG18. This is not a formal market valuation.
Are house prices in SG18 going up or down?
Modelled values in SG18 are +1% over the past year and +12% over five years, based on the UK House Price Index.
What types of property are in SG18?
31% of the properties Stede tracks in SG18 are detached houses. semi-detached houses are next most common, at 30%.
How many properties are in SG18?
Stede can model 9,474 properties in SG18, with 375 recorded sales in the past 12 months.
How does Stede calculate house prices for SG18?
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources used for every individual property valuation on Stede. Full detail is on the methodology page.
How we calculate this
These figures are modelled from HM Land Registry Price Paid Data and the UK House Price Index — the same sources behind every individual property valuation on Stede.
Read the full methodology and data sources →