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Get started77 Sun Street is a three-bedroom mid-terrace house in Biggleswade (SG18 0BY). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to 1967-1975 and council tax band C. The latest certificate (March 2024) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (October 2010); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 6.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£406/sq ft) was about 96% above the typical sold price in the postcode. Last sale on file: £345,000 in September 2024.
Recommended upgrades on file would lift this property by multiple EPC bands.
77 Sun Street has more than quadrupled in price since its earliest registered sale in 1998.
£348,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.7% per year over 26 years.
£345,000
Growth on file: 6.7% per year over 26 years.
On price per m², 77 Sun Street stands well clear of the street.
Price per m²
£4,367
Street avg £2,956
Floor Area
79 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Birch Road — bus stop.

Daytime· 07:00 – 23:00
52.3dB

Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
18 September 2024Most recent
£345,000
+117.0%over 13 years17 January 2011
£159,000
+144.6%over 12 years23 October 1998
£65,000
Median price across the last 5 sales in SG18 0BY: £290,000 (2025–2020).
CO₂ Emissions
3.3 t/year
Street avg 4.3 t/year
SG18 0JU
Closest school
0.2 km
St Andrew's CofE VC Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
42.1dB
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