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Get started121 Sun Street, Biggleswade, SG18 0BY
5 sales on record
About 121 Sun Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
121 Sun Street is a three-bedroom mid-terrace house in Biggleswade (SG18 0BY). 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 (August 2025) shows a C (score 72). When first surveyed in April 2009 the rating was E, the property has climbed 2 bands since. Between certificates, roof efficiency went from Very Poor to Average, hot-water efficiency went from Average to Good and lighting went from Average to Good; while window efficiency dropped from Good to Average.
Sale prices here have outpaced England HPI: 9.5% per year against 0% for the wider region. Today's modelled estimate of £355,000 is 34% above the 2015 sale price. On a £-per-square-foot basis, the last sale (£312/sq ft) was about 50.1% above the typical sold price in the postcode. On energy efficiency it sits in the top 10% of properties in this postcode. On the market in November 2015 and unlisted since — roughly 10 years. Across the public record there are 5 sales, relatively high churn for a single property.
What this property has
Pulled from EPC certificates, claim submissions and our property model. Empty categories are hidden — we only show what's known.
Inside
- Bedrooms3
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
121 Sun Street ranks among the most efficient homes in the postcode for energy use.
Current Certificate(1 of 3)
Aug 2025
EPC Rating
A
B
C
C72
D
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Average
CO2 Emissions
2.5 t/year
Occupancy
Rented
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
121 Sun Street has more than quadrupled in price since its earliest registered sale in 1997.
Current estimate
See how we calculated this£355,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 18 years.
Last sold (2015)
£265,000
Growth on file: 9.5% per year over 18 years.
Sales timeline
Versus other Sun Street homes
Four headline reads against 18 similar houses on this street, drawn from the latest EPC and Land Registry data.
121 Sun Street outperforms the street on epc rating by a wide margin.
Price per m²
£3,354
Street avg £3,024
Floor Area
79 m²
Street avg 89 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
Similar properties nearby
A handful of close matches in the same postcode area, ranked by likeness on bedrooms, type and floor area.
The neighbourhood at a glance
A condensed read of the local area. Each tile links through to the full breakdown on the Biggleswade district page.
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Birch Road — bus stop.
Road noise across the postcode
Modelled day and night-time noise levels around SG18 0BY from Defra's strategic mapping. The pin marks this postcode's centroid.
Daytime· 07:00 – 23:00
52.3dB
Everything within walking distance
Schools, transport stops and scenic spots near this property — 36 points of interest in total.
Beautiful places to visit nearby
Curated scenic spots within reach of this postcode, served by Beautifulplaces.ai. Photography and tagging come from their open dataset.
Common questions
The questions buyers, sellers and homeowners most often ask about 121 Sun Street, Biggleswade, SG18 0BY. Each answer is also embedded as structured data for search engines.