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8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB

How much is 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB worth?

Estimated value — November 2026

£729,000

Likely range £557,000 – £926,000Four in five similar homes sold within their range when we tested it.

Latest recorded sale March 1998

53%

confidence

Medium

Typically within 12% of the sale price

Property details

Detached house

Great Portway · Bedford · MK40 4GB

178 m²1,916 sq ftFloor area
1991-1995Built
Mains gas boilerHeating

Energy performance

Current ratingC70
PotentialC80

Mains Gas (Not Community) · EPC 5437-1720-9309-0406-1222 · inspected October 2023 · lodged November 2023

Address

District
Bedford
County
Bedfordshire
See house prices in MK40 →

Value over time

  • Modelled value
  • Projected
  • Likely range (80%)
  • Today's estimate
£0£200k£400k£600k£800k£1m20002002200420062008201020122014201620182020202220242026£729,000

Drawn through each of this property's recorded sales and ending at today's estimate, with the UK House Price Index for its area and property type filling in the months between. The shaded band is where four in five prices fell when we tested this line against real sales of similar homes; it widens the further a month is from a recorded sale, and today it matches the likely range above.

View as a table
Modelled value at the end of each year, with any recorded sales
YearModelled valueLikely range
2000£253,648£217,557 – £295,289
2001£290,506£246,366 – £338,949
2002£350,318£293,884 – £411,938
2003£383,080£318,022 – £453,805
2004£407,961£335,894 – £484,464
2005£418,632£342,266 – £498,259
2006£438,267£355,381 – £523,607
2007£475,850£382,046 – £572,205
2008£403,572£321,230 – £487,664
2009£411,398£324,862 – £500,682
2010£427,533£336,890 – £523,192
2011£425,019£333,984 – £523,643
2012£434,670£340,862 – £539,785
2013£452,368£354,096 – £563,510
2014£488,942£420,943 – £566,824
2015£540,372£460,734 – £631,585
2016£609,424£514,550 – £718,088
2017£627,415£524,531 – £745,254
2018£642,777£532,037 – £769,613
2019£633,313£518,945 – £764,305
2020£633,459£513,805 – £770,505
2021£680,759£546,518 – £834,512
2022£727,152£577,725 – £898,298
2023£708,140£556,741 – £881,545
2024£710,239£552,494 – £890,912
2025£728,768£560,857 – £921,085
2026£729,000£557,000 – £926,000

Sale history

1998Sold
£179,950
2026Today — estimated
+305%£729,000

Mortgage calculator

£3,913

Estimated monthly repayment

£656,100

Loan amount

£752,431

Total interest

£1,408,531

Total repayable

A guide only, based on a capital repayment mortgage held at a constant interest rate for the full term. Not a mortgage offer or financial advice.

Related properties

About this property

8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB is a detached house on Great Portway in Bedford. Stede's estimated value for November 2026 is £729,000. Four in five similar homes sold within their likely range when tested; for this property that range is £557,000 to £926,000. It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 234 similar homes in the same postcode sector (25%). The confidence score is 53 out of 100 (medium): estimates like this one are typically within 12% of the eventual sale price.

It last sold in March 1998 for £179,950. The current estimate is 305% higher than that price. The current owner has held it for about 28 years.

Its EPC energy-efficiency rating is band C (70 out of 100). The certificate records a total floor area of 178 m² (1,916 sq ft). It was lodged in November 2023.

The modelled value is unchanged over the past year and up 9% over the past five years.

Among 10 nearby properties Stede tracks in the MK40 area, estimated values run from £591,000 to £720,000. This detached house's £729,000 sits above that range.

Common questions

How much is 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB worth?

Stede estimates 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB is worth £729,000 as of November 2026, within a likely range of £557,000 to £926,000. The estimate is generated automatically from recorded sale prices of this and similar nearby homes and the UK House Price Index, and is not a formal valuation.

When did 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB last sell?

It last sold in March 1998 for £179,950.

What type of property is 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB?

It is recorded as a Detached house on Great Portway in the MK40 postcode area.

What is the EPC rating of 8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB?

8 Great Portway, Biddenham, Bedford, Bedfordshire, MK40 4GB has an EPC energy-efficiency rating of band C (70 out of 100). The certificate records a floor area of 178 m² (1,916 sq ft). EPC data is published by the Ministry of Housing, Communities & Local Government and reflects the most recent certificate on record.

How reliable is this estimate?

The confidence score is 53 out of 100 (medium). Tested against real sales of similar homes, estimates like this one are typically within 12% of the sale price, and four in five sold within their likely range. The figure is a data model, not a RICS valuation or Home Report, and should not be used for mortgage or legal decisions.

How does Stede calculate this estimate?

It combines their price per m² applied to its floor area (50%), its own last sale brought up to date with the House Price Index (25%) and recent sales of 234 similar homes in the same postcode sector (25%). Each piece of evidence gets the share that proved most accurate when tested against real sales of similar homes, and the same testing sets the likely range and confidence. Full detail is on the methodology page.

How we got this figure

We weighed the evidence below, giving each piece the share that proved most accurate when we tested it against real sales of similar homes. The likely range and confidence come from testing the same method against 7,653 real sales of similar homes.

  • Recent price per m² in the same postcode sector, for its 178 m²£779,95050%
  • Its sale in March 1998, brought up to today with the House Price Index£777,54725%
  • 234 similar homes sold recently in the same postcode sector£580,36525%

Estimate £729,000, likely £557,000 – £926,000

Read the full methodology and data sources →