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Get started19 St Johns Street is a three-bedroom end-of-terrace house in Biggleswade (SG18 0BT). It has a recorded floor area of 79 m² (around 850 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (December 2023) shows an F (score 24), near the bottom of the EPC scale. Earlier certificates rated it E (April 2010); the latest reading is one band lower. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Good to Average. The recommended improvements would lift it to C (score 74), a 3-band jump. Main heating runs on lpg. Other recorded features include a basement.
Sale prices here have outpaced England HPI: 7.9% per year against 0% for the wider region. Today's modelled estimate of £309,000 is 24.8% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£291/sq ft) was about 46.2% above the typical sold price in the postcode. At 79 m² the property is well over the postcode median (59 m² across 32 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Most recent transfer: August 2018 at £247,500. Across the public record there are 4 sales, relatively high churn for a single property. One planning record on file: an extension approved in 2023. Past consents include an extension, meaningful when judging how the property has evolved.
19 St Johns Street sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
19 St Johns Street has an approved single-storey rear extension on the planning record.
Extension: Single storey · Rear of property
Single storey rear extension
Price for 19 St Johns Street has grown more than fourfold since the 1997 starting point.
£309,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.9% per year over 21 years.
£247,500
Growth on file: 7.9% per year over 21 years.
EPC Rating for 19 St Johns Street lags the street by a wide margin.
Price per m²
£3,133
Street avg £3,526
Floor Area
79 m²
Street avg 66 m²
Habitable Rooms
6 rooms
Street avg 4 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Birch Road — bus stop.

Daytime· 07:00 – 23:00
51.8dB

Changes detected from historical EPC data
Fuel source changed
Heating controls upgraded for better temperature management
Hot water system changed
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
3 August 2018Most recent
£247,500
+54.7%over 14 years20 November 2003
£160,000
+39.1%over 8 months28 March 2003
£115,000
+130.0%over 5 years18 July 1997
£50,000
Median price across the last 5 sales in SG18 0BT: £259,500 (2025–2024).
CO₂ Emissions
5.2 t/year
Street avg 3.6 t/year
SG18 0JU
Closest school
0.2 km
St Andrew's CofE VC Primary School. 6 schools nearby.
Night-time· 23:00 – 07:00
41.7dB
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