Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get started8 Back Street is a three-bedroom mid-terrace house in Biggleswade (SG18 8JA). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1976-1982 and council tax band C. The latest certificate (January 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since October 2009. Between certificates, wall efficiency went from Average to Good, window efficiency went from Very Poor to Poor and lighting went from Very Poor to Very Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump.
Held since November 2004 — that's 22 years off the open market, well above the local norm. Sale prices here have outpaced England HPI: 8.5% per year against 0% for the wider region. Today's modelled estimate of £309,000 sits 131.5% above the 2004 sale of £133,500. On a £-per-square-foot basis, the last sale (£143/sq ft) was about 23.3% below the postcode norm. At 87 m² the property is well over the postcode median (43 m² across 33 EPCs), placing it in the larger end of the local stock.
Recommended upgrades on file would lift this property by multiple EPC bands.
8 Back Street changed hands twice within eighteen months — unusual for the area.
£309,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.5% per year over 1 year.
£133,500
Growth on file: 8.5% per year over 1 year.
8 Back Street outperforms the street on floor area by a wide margin.
Price per m²
£1,534
Street avg £2,318
Floor Area
87 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
Heating controls changed
Single glazing replaced with double or better glazing
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
9 November 2004Most recent
£133,500
+8.5%over 11 months5 December 2003
£123,000
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
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell