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Get started1 Harvey Close is a three-bedroom end-of-terrace house in Upper Caldecote, Biggleswade, Biggleswade (SG18 9BQ). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band B. Tenure is freehold. The latest certificate (September 2022) shows an E (score 45), well below the UK norm with real room to improve. The recommended improvements would lift it to B (score 81), a 3-band jump. Main heating runs on electricity. Our model identifies extension potential, subject to local planning policy. The home occupies a corner plot.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Today's modelled estimate of £303,000 is 21.2% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£306/sq ft) was about 94.2% above the typical sold price in the postcode. One planning record on file: an extension refused in 2025. Last sale on file: £250,000 in May 2023.
1 Harvey Close sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
A a single-storey side and rear extension application was refused at 1 Harvey Close in 2025.
Extension: Single storey · Side and rear of property
Single storey side rear extension with roof lights
1 Harvey Close valuation sits well clear of the typical sold price in this postcode.
£303,000
Modelled from EPC, postcode comparables.
£250,000
Recorded with HM Land Registry.
1 Harvey Close outperforms the street on price per m² by a wide margin.
Price per m²
£3,289
Street avg £2,132
Floor Area
76 m²
Street avg 91 m²
Habitable Rooms
5 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
0.2 km

Daytime· 07:00 – 23:00
43.6dB

2 May 2023Most recent
£250,000
Median price across the last 5 sales in SG18 9BQ: £298,000 (2020–2015).
18 Harvey Close Upper Caldecote Biggleswade
Sold Feb 2020
4 Harvey Close Upper Caldecote Biggleswade
Sold Aug 2017
9 Harvey Close Upper Caldecote Biggleswade
Sold Jan 2017
20 Harvey Close Upper Caldecote Biggleswade
Sold Jan 2015
16 Harvey Close Upper Caldecote Biggleswade
Sold Feb 2013
Street avg 4 rooms
CO₂ Emissions
7.0 t/year
Street avg 3.1 t/year
SG18 9JS
The Pastures — bus stop.
Closest school
0.6 km
Caldecote Church of England Academy. 6 schools nearby.
Night-time· 23:00 – 07:00
36.2dB
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