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Get started91 High Street is a four-bedroom detached house in Broom, Biggleswade, Biggleswade (SG18 9NA). It has a recorded floor area of 169 m² (around 1819 sq ft), construction records dating it to 1967-1975 and council tax band F. The latest certificate (November 2022) shows an E (score 43), well below the UK norm with real room to improve. When first surveyed in September 2009 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Very Poor to Good, window efficiency went from Average to Good and lighting went from Very Poor to Very Good; while wall efficiency dropped from Good to Average. The recommended improvements would push it to D (score 59). Main heating runs on lpg.
Sale prices here have outpaced England HPI: 4.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£346/sq ft) was about 73.5% above the typical sold price in the postcode. At 169 m² the property is well over the postcode median (64 m² across 27 EPCs), placing it in the larger end of the local stock. Most recent transfer was February 2025 at £630,000 — fresh data. 2 planning records sit against the property, 1 approved, 1 refused. Past consents include a loft conversion, meaningful when judging how the property has evolved.
Full: Loft conversion and construction of dormer windows to front and rear.
91 High Street valuation sits well clear of the typical sold price in this postcode.
£619,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.1% per year over 15 years.
£630,000
Growth on file: 4.1% per year over 15 years.
91 High Street is notably below the street on years held.
Price per m²
£3,728
Street avg £3,324
Floor Area
169 m²
Street avg 100 m²
Habitable Rooms
6 rooms
Street avg 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
0.0 km

Daytime· 07:00 – 23:00
45.2dB

Changes detected from historical EPC data
Window efficiency improved
Roof insulation improved
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
FULL: LOFT CONVERSION AND CONSTRUCTION OF DORMER WINDOWS TO FRONT AND REAR
28 February 2025Most recent
£630,000
+24.8%over 7 years18 January 2018
£505,000
+44.3%over 7 years28 July 2010
£350,000
Median price across the last 5 sales in SG18 9NA: £278,000 (2024–2019).
CO₂ Emissions
5.7 t/year
Street avg 5.6 t/year
SG18 9DZ
The Woodlands — bus stop.
Closest school
2.1 km
Langford Village Academy. 6 schools nearby.
Night-time· 23:00 – 07:00
37.2dB
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