21 Beldam Avenue is a three-bedroom semi-detached house in Royston (SG8 9UH). It has a recorded floor area of 77 m² (around 829 sq ft), construction records dating it to 1967-1975 and council tax band C. Tenure is freehold. The latest certificate (May 2024) shows a D (score 61), on the cusp of jumping into the C band. The recommended improvements would lift it to B (score 83), a 2-band jump. Our model identifies extension potential, subject to local planning policy.
Sale prices here have outpaced England HPI: 6.4% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£440/sq ft) was about 111.7% above the typical sold price in the postcode. Last sale on file: £365,000 in June 2024.
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
Recommended upgrades on file would lift this property by multiple EPC bands.
21 Beldam Avenue has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
Price for 21 Beldam Avenue has grown more than fourfold since the 1995 starting point.
£399,000
Modelled from EPC, postcode comparables and a sale-price growth of 6.4% per year over 29 years.
£365,000
Growth on file: 6.4% per year over 29 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
On floor area, 21 Beldam Avenue runs well behind the street norm.
Price per m²
£4,740
Street avg £3,578
Floor Area
77 m²
Street avg 89 m²
Habitable Rooms
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
0.3 km

Daytime· 07:00 – 23:00
48.7dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
3 June 2024Most recent
£365,000
+508.3%over 29 years29 March 1995
£60,000
Median price across the last 5 sales in SG8 9UH: £375,000 (2025–2020).

Street avg 5 rooms
CO₂ Emissions
3.9 t/year
Street avg 3.6 t/year
SG8 9JE
Shaftesbury Way — bus stop.
Closest school
0.3 km
Studlands Rise First 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
40.0dB