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About 123 Sun Street
A plain-English summary derived from public records, EPC certificates, sold prices and local data.
123 Sun Street is an end-of-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 (March 2025) shows a D (score 58), a step below the typical UK home. When first surveyed in March 2024 the rating was F, the property has climbed 2 bands since. Between certificates, window efficiency went from Average to Good, hot-water efficiency went from Average to Good and main heating went from Average to Good. The recommended improvements would lift it to B (score 85), a 2-band jump.
Sale prices here have outpaced England HPI: 8% per year against 0% for the wider region. Today's modelled estimate of £314,000 is 44.7% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£255/sq ft) was about 24.4% above the typical sold price in the postcode. Most recent transfer: October 2024 at £217,000.
Energy performance
Every EPC certificate filed against this property — current rating, recorded improvements, and where there's headroom to reach a higher band.
Recommended upgrades on file would lift this property by multiple EPC bands.
Current Certificate(1 of 2)
Mar 2025
EPC Rating
A
B
C
D
D58
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Good
CO2 Emissions
4.4 t/year
Occupancy
Owner Occupied
Sales history & valuation
Recorded transactions, our model's current estimate, and a quick read on what neighbouring properties have sold for.
123 Sun Street changed hands twice within eighteen months — unusual for the area.
Current estimate
See how we calculated this£314,000
Modelled from EPC, postcode comparables and a sale-price growth of 8.0% per year over 1 year.
Last sold (2024)
£217,000
Growth on file: 8.0% per year over 1 year.
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.
123 Sun Street is notably below the street on years held.
Price per m²
£2,747
Street avg £3,064
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 123 Sun Street, Biggleswade, SG18 0BY. Each answer is also embedded as structured data for search engines.