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Get started12 Devon Drive is a five-bedroom detached house in Biggleswade (SG18 0FJ). It has a recorded floor area of 188 m² (around 2024 sq ft), construction records dating it to 2007-2011 and council tax band F. The latest certificate (April 2022) shows a C (score 79), near the top of the C band. The rating has held steady at C across 2 certificates since June 2010. Between certificates, lighting went from Average to Very Good; while window efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
Sale prices here have outpaced England HPI: 3.7% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£296/sq ft) was about 60% above the typical sold price in the postcode. At 188 m² the property is well over the postcode median (89 m² across 36 EPCs), placing it in the larger end of the local stock. 5 bedrooms is on the larger side for this postcode, where 3 is the typical count. Most recent transfer: February 2023 at £600,000. Across the public record there are 4 sales, relatively high churn for a single property. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a garage conversion, meaningful when judging how the property has evolved.
A an annexe application was refused at 12 Devon Drive in 2023.
Lawful Development Certificate Proposed: Conversion of existing garage to family room
12 Devon Drive valuation sits well clear of the typical sold price in this postcode.
£621,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.7% per year over 13 years.
£600,000
Growth on file: 3.7% per year over 13 years.
12 Devon Drive outperforms the street on price per m² by a wide margin.
Price per m²
£3,191
Street avg £1,996
Floor Area
188 m²
Street avg 122 m²
Habitable Rooms
9 rooms
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km

Daytime· 07:00 – 23:00
47.9dB

Changes detected from historical EPC data
Heating controls changed
Hot water efficiency decreased
Wall insulation upgraded
Loft insulation upgraded to recommended levels
Floor insulation added or improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
Lawful Development Certificate Proposed: The conversion of existing garage to Granny Annex.
27 February 2023Most recent
£600,000
+12.1%over 5 years14 July 2017
£535,000
+42.7%over 4 years19 October 2012
£375,000
-1.3%over 2 years30 June 2010
£379,995
Median price across the last 5 sales in SG18 0FJ: £247,000 (2023–2021).
Street avg 6 rooms
CO₂ Emissions
3.8 t/year
Street avg 2.2 t/year
SG18 0HG
Biggleswade Hospital — bus stop.
Closest school
0.2 km
Edward Peake CofE VC School. 6 schools nearby.
Night-time· 23:00 – 07:00
38.7dB
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