21 Echo Hill is a five-bedroom detached house in Royston (SG8 9BB). It has a recorded floor area of 93 m² (around 1001 sq ft), construction records dating it to 1983-1990 and council tax band E. The latest certificate (April 2024) shows a D (score 63), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2023. Between certificates, hot-water efficiency went from Poor to Good. The recommended improvements would push it to C (score 76). Period features are noted in the property record.
Today's modelled estimate of £616,000 is 18.5% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£519/sq ft) was about 84.5% above the typical sold price in the postcode. At 93 m² it's 23.8% smaller than the typical home in the postcode (122 m² median across 22 EPCs). Sold October 2024 for £520,000.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Launch offer · save £5
21 Echo Hill has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
21 Echo Hill valuation sits well clear of the typical sold price in this postcode.
£616,000
Modelled from EPC, postcode comparables.
£520,000
Recorded with HM Land Registry.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
On price per m², 21 Echo Hill stands well clear of the street.
Price per m²
£5,591
Street avg £4,005
Floor Area
93 m²
Street avg 130 m²
Habitable Rooms
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
0.5 km

Daytime· 07:00 – 23:00
47.5dB

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
18 October 2024Most recent
£520,000
Median price across the last 5 sales in SG8 9BB: £565,000 (2025–2022).

Street avg 7 rooms
CO₂ Emissions
3.5 t/year
Street avg 5.1 t/year
SG8 9DA
Bus Station — bus station.
Closest school
0.8 km
Tannery Drift School. 7 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
40.2dB