15 High Street is a five-bedroom semi-detached house in Bassingbourn, Royston, Royston (SG8 5NE). It has a recorded floor area of 230 m² (around 2476 sq ft), construction records dating it to before 1900 and council tax band B. The latest certificate (October 2020) shows an E (score 47), 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, hot-water efficiency went from Very Poor to Average, lighting went from Very Poor to Good and main heating went from Very Poor to Average; while wall efficiency dropped from Good to Very Poor and roof efficiency dropped from Good to Poor. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on oil. Other recorded features include a conservatory. Period features are noted in the property record.
Sale prices here have outpaced England HPI: 9.5% per year against 0% for the wider region. Today's modelled estimate of £849,000 is 11% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£309/sq ft) was about 35% above the typical sold price in the postcode. At 230 m² the property is well over the postcode median (149 m² across 15 EPCs), placing it in the larger end of the local stock. 3 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Last sale on file: £765,000 in July 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
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15 High Street's carbon output runs well above what efficient homes in the postcode produce.
A1 : Cultivated apple (Malus domestica). Restoration of ~6m high tree. Remove verticals and thin laterals on apple tree. Remove higher branches to allow accessible cropping S1 : Sycamore (Acer pseudoplatanus). Remove water shoots/suckers and tidy-up around base of ~30m high tree. Y1 : Common Yew (Taxus baccata). Reshape tree for better light and aesthetics. Remove laterals below approximately 2.2 m to reveal mainstem. Narrow and reshape crown by shortening and/or removing laterals which extend beyond approximately 2m radius of mainstem. E1 : Elder (Sambucus nigra) - Fell ~3m high self-set tree-as-weed which has low amenity value and which currently impinges on nearby ~20m high sycamore E2 : Elder (Sambucus nigra) - Fell ~4m high self-set tree-as-weed which has low amenity value and which impinges on nearby ~20m high sycamore E3 : Elder (Sambucus nigra) - Fell ~3m high self-set tree-as-weed which has low amenity value and which occupies an area to be used for new produce garden & orchard E4 : Elder (Sambucus nigra) - Fell ~4m high self-set tree-as-weed which has low amenity value and which occupies an area to be used for new produce garden & orchard
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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Latest sale on 15 High Street was the highest on Land Registry record across the postcode.
£849,000
Modelled from EPC, postcode comparables and a sale-price growth of 9.5% per year over 19 years.
£765,000
Growth on file: 9.5% 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
On floor area, 15 High Street stands well clear of the street.
Price per m²
£3,326
Street avg £3,067
Floor Area
230 m²
Street avg 149 m²
Habitable Rooms
9 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 efficiency improved
More low energy lighting installed
Fuel source changed
Glazing upgraded to newer, more efficient type
Low energy lighting percentage decreased
Extension following demolition of existing barn
30 July 2021Most recent
£765,000
+108.2%over 15 years24 August 2005
£367,500
+168.4%over 3 years31 July 2002
£136,900
Median price across the last 5 sales in SG8 5NE: £510,000 (2025–2018).

Street avg 6 rooms
CO₂ Emissions
13.0 t/year
Street avg 8.1 t/year
SG8 5UP
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