20 High Street is a four-bedroom detached house in Bassingbourn, Royston, Royston (SG8 5NE). It has a recorded floor area of 178 m² (around 1916 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (March 2024) returns a high B (score 87), putting the home a stone's throw from an A rating. When first surveyed in July 2020 the rating was D, the property has climbed 2 bands since. Between certificates, main heating went from Poor to Good. Main heating runs on electricity. The property has solar panels on record, all of which lower running costs and tend to lift resale appeal. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 5.5% per year against 0% for the wider region. Today's modelled estimate of £711,000 is 24.7% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£297/sq ft) was about 30.1% above the typical sold price in the postcode. At 178 m² it's 19.5% larger than the typical home in the postcode (149 m² median across 15 EPCs). On energy efficiency it sits in the top 10% of properties in this postcode. On the market in May 2018 and unlisted since — roughly 8 years. 4 planning records sit against the property, 0 approved, 0 refused.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
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20 High Street ranks among the most efficient homes in the postcode for energy use.
Planning history at 20 High Street is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
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20 High Street has more than doubled in price since the earliest registered sale in 1999.
£711,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.5% per year over 19 years.
£570,000
Growth on file: 5.5% per year over 19 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
20 High Street outperforms the street on epc rating by a wide margin.
Price per m²
£3,202
Street avg £3,080
Floor Area
178 m²
Street avg 152 m²
Habitable Rooms
6 rooms
Street avg 6 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
2.7 km

Daytime· 07:00 – 23:00
44.6dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Hot water system upgraded
Solar PV panels (50 kWp) and Solar water heating installed
Ash tree, Reduce the crown by 3m.
Prunus (T1) - Remove close to ground level and treat stump to inhibit regrowth Birch (T2) - Remove close to ground level and treat stump to inhibit regrowth
21 May 2018Most recent
£570,000
+175.4%over 18 years18 June 1999
£207,000
Median price across the last 5 sales in SG8 5NE: £525,000 (2025–2021).

CO₂ Emissions
1.4 t/year
Street avg 8.9 t/year
SG8 5FL
Tesco — bus stop.
Closest school
0.4 km
Bassingbourn Village College. 2 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
36.5dB