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Get started18 Bittern Drive is a three-bedroom detached house in Biggleswade (SG18 8DU). It has a recorded floor area of 87 m² (around 936 sq ft), construction records dating it to 1976-1982 and council tax band D. The latest certificate (January 2020) shows an E (score 53), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 80), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
One planning record on file: an extension approved in 2025. Past consents include an extension, meaningful when judging how the property has evolved. It lags the bulk of the postcode on energy efficiency (less efficient than 77% of similar EPCs). Today's modelled estimate of £412,000 is 32.9% above the 2020 sale price. On a £-per-square-foot basis, the last sale (£331/sq ft) was about 73.9% above the typical sold price in the postcode. Sold September 2020 for £310,000.
Recommended upgrades on file would lift this property by multiple EPC bands.
18 Bittern Drive has an approved single-storey front extension on the planning record.
Extension: Single storey · Front of property
Single storey front extension with roof lights
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£412,000
Modelled from EPC, postcode comparables.
£310,000
Recorded with HM Land Registry.
CO₂ Emissions for 18 Bittern Drive lags the street by a wide margin.
Price per m²
£3,563
Street avg £3,109
Floor Area
87 m²
Street avg 85 m²
Habitable Rooms
4 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
0.2 km
Blunham Road — bus stop.

Daytime· 07:00 – 23:00
56.2dB

4 September 2020Most recent
£310,000
Median price across the last 5 sales in SG18 8DU: £270,000 (2024–2019).
CO₂ Emissions
5.3 t/year
Street avg 4.1 t/year
SG18 8HL
Closest school
0.8 km
St Andrew's CofE VC Primary School. 7 schools nearby.
Night-time· 23:00 – 07:00
47.3dB
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