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Get started111 Sun Street is a two-bedroom mid-terrace house in Biggleswade (SG18 0BY). It has a recorded floor area of 85 m² (around 915 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (September 2020) shows a D (score 64), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 88), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Untraded for 22 years, with the last transfer in August 2004. Sale prices here have outpaced England HPI: 22% per year against 0% for the wider region. Today's modelled estimate of £297,000 sits 88.6% above the 2004 sale of £157,500. On a £-per-square-foot basis, the last sale (£172/sq ft) was about 17.1% below the postcode norm.
Recommended upgrades on file would lift this property by multiple EPC bands.
Sale price has grown by over 3x since 1999.
£297,000
Modelled from EPC, postcode comparables and a sale-price growth of 22.0% per year over 6 years.
£157,500
Growth on file: 22.0% per year over 6 years.
111 Sun Street is notably below the street on price per m².
Price per m²
£1,853
Street avg £3,124
Floor Area
85 m²
Street avg 88 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

27 August 2004Most recent
£157,500
+18.4%over 1 year29 August 2002
£133,000
+153.3%over 3 years15 February 1999
£52,500
Median price across the last 5 sales in SG18 0BY: £290,000 (2025–2024).
CO₂ Emissions
3.8 t/year
Street avg 4.2 t/year
SG18 0NQ
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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