Are you a property professional?Get qualified leads from motivated homeowners.
Get startedAre you a property professional?Get qualified leads from motivated homeowners.
Get startedFlat 1 is a one-bedroom mid-terrace house in Biggleswade (SG18 0BP). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to before 1900. It is a listed building, which means external alterations are tightly controlled but it may qualify for heritage tax reliefs. At 48 m² this is the smallest unit on EPC record across the building (48–77 m²). The building's EPC ratings span E to C, with this unit at the top. The latest certificate (November 2023) shows a C (score 75), near the top of the C band. The rating has held steady at C across 2 certificates since February 2010. Between certificates, window efficiency went from Very Poor to Average and lighting went from Poor to Very Good.
It hasn't traded since May 2004, a hold of 22 years that's notably long for the area. Sale prices here have outpaced England HPI: 20.9% per year against 0% for the wider region. Today's modelled estimate of £156,000 sits 67.7% above the 2004 sale of £93,000. At 48 m² it sits well below the postcode median (78 m² across 16 EPCs), making it one of the more compact homes locally.
Flat 1's carbon output is low for the local stock.
£156,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.9% per year over 2 years.
£93,000
Growth on file: 20.9% per year over 2 years.
Floor Area for Flat 1 lags the street by a wide margin.
Price per m²
£1,938
Street avg £2,122
Floor Area
48 m²
Street avg 59 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.0 km
Sun Street — bus stop.

Daytime· 07:00 – 23:00
53.7dB

Changes detected from historical EPC data
Single glazing replaced with double or better glazing
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
24 May 2004Most recent
£93,000
+55.0%over 2 years2 February 2002
£59,995
Median price across the last 5 sales in SG18 0BP: £320,000 (2025–2018).
CO₂ Emissions
1.5 t/year
Street avg 2.2 t/year
SG18 0EH
Closest school
0.2 km
St Andrew's CofE VC Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
43.8dB
Free valuation
An expert visits your home
Local expertise
An agent who knows your area
No obligation
You decide if and when to sell