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Get started6 Back Street is a three-bedroom mid-terrace house in Biggleswade (SG18 8JA). It has a recorded floor area of 89 m² (around 958 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (November 2018) shows a D (score 67), on the cusp of jumping into the C band. Earlier certificates rated it C (November 2008); the latest reading is one band lower. Between certificates, roof efficiency went from Poor to Average and lighting went from Poor to Very Good; while main heating dropped from Very Good to Good. The recommended improvements would lift it to B (score 86), a 2-band jump.
It hasn't traded since September 2004, a hold of 22 years that's notably long for the area. At 89 m² the property is well over the postcode median (43 m² across 33 EPCs), placing it in the larger end of the local stock. Today's modelled estimate of £339,000 sits 156.8% above the 2004 sale of £132,000. On a £-per-square-foot basis, the last sale (£138/sq ft) was about 24.9% below the postcode norm.
Recommended upgrades on file would lift this property by multiple EPC bands.
6 Back Street valuation sits well clear of the typical sold price in this postcode.
£339,000
Modelled from EPC, postcode comparables.
£132,000
Recorded with HM Land Registry.
On price per m², 6 Back Street runs well behind the street norm.
Price per m²
£1,483
Street avg £2,325
Floor Area
89 m²
Street avg 56 m²
Habitable Rooms
4 rooms
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
The Dells — bus stop.

Daytime· 07:00 – 23:00
52.0dB

Changes detected from historical EPC data
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
8 September 2004Most recent
£132,000
Median price across the last 5 sales in SG18 8JA: £172,000 (2025–2021).
Street avg 3 rooms
CO₂ Emissions
3.6 t/year
Street avg 2.8 t/year
SG18 8HS
Closest school
0.4 km
Lawnside Academy. 6 schools nearby.
Night-time· 23:00 – 07:00
41.9dB
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