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Get started125 Sun Street is a three-bedroom detached house in Biggleswade (SG18 0BY). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1900-1929 and council tax band E. The latest certificate (July 2019) shows an E (score 43), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Other recorded features include a basement. Period features are noted in the property record.
At 122 m² the property is well over the postcode median (81 m² across 19 EPCs), placing it in the larger end of the local stock. It lags the bulk of the postcode on energy efficiency (less efficient than 84% of similar EPCs). Today's modelled estimate of £531,000 is 29.5% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£312/sq ft) was about 51.7% above the typical sold price in the postcode. Last sale on file: £410,000 in January 2020.
125 Sun Street's carbon output runs well above what efficient homes in the postcode produce.
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£531,000
Modelled from EPC, postcode comparables.
£410,000
Recorded with HM Land Registry.
EPC Rating for 125 Sun Street lags the street by a wide margin.
Price per m²
£3,361
Street avg £3,023
Floor Area
122 m²
Street avg 86 m²
Habitable Rooms
6 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

17 January 2020Most recent
£410,000
Median price across the last 5 sales in SG18 0BY: £290,000 (2025–2024).
CO₂ Emissions
9.9 t/year
Street avg 3.9 t/year
SG18 0PH
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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