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Get started100 Sun Street is a three-bedroom end-of-terrace house in Biggleswade (SG18 0BZ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (January 2019) shows a D (score 56), a step below the typical UK home. When first surveyed in October 2008 the rating was E, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good and lighting went from Very Poor to Poor; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 87), a 2-band jump. Period features are noted in the property record.
Sale prices here have outpaced England HPI: 4.3% per year against 0% for the wider region. Today's modelled estimate of £334,000 is 25.6% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£325/sq ft) was about 106.9% above the typical sold price in the postcode. Last sale on file: £266,000 in February 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Recommended upgrades on file would lift this property by multiple EPC bands.
100 Sun Street has more than doubled in price since the earliest registered sale in 2002.
£334,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 19 years.
£266,000
Growth on file: 4.3% per year over 19 years.
100 Sun Street is notably below the street on epc rating.
Price per m²
£3,500
Street avg £3,178
Floor Area
76 m²
Street avg 72 m²
Habitable Rooms
5 rooms
Street avg 4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Birch Road — bus stop.

Daytime· 07:00 – 23:00
52.5dB

Changes detected from historical EPC data
Windows upgraded, improving insulation
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
19 February 2021Most recent
£266,000
+117.1%over 18 years15 July 2002
£122,500
Median price across the last 5 sales in SG18 0BZ: £265,000 (2025–2021).
CO₂ Emissions
4.5 t/year
Street avg 3.2 t/year
SG18 0PP
Closest school
0.1 km
St Andrew's CofE VC Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
42.3dB
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