21 Pound Green is a detached house in Guilden Morden, Royston, Royston (SG8 0JZ). It has a recorded floor area of 111 m² (around 1195 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (July 2012) shows a D (score 59), a step below the typical UK home. When first surveyed in July 2012 the rating was E, the property has climbed 1 band since. Between certificates, hot-water efficiency went from Poor to Average; while window efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 86), a 2-band jump. Main heating runs on oil. The latest certificate is from July 2012, so improvements made since then won't be reflected.
2 planning records sit against the property, 2 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Launch offer · save £5
21 Pound Green's carbon output runs well above what efficient homes in the postcode produce.
This certificate is over 10 years old and is no longer valid.Expired 27 Jul 2022
Planning history at 21 Pound Green 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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21 Pound Green has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£512,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
EPC Rating
59 (D)
Street avg 56 (D)
Floor Area
111 m²
Street avg 131 m²
CO₂ Emissions
6.2 t/year
Street avg 5.8 t/year
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.
Closest school
0.1 km

Daytime· 07:00 – 23:00
43.3dB

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
Works to Conservation Area Trees. T1 lime- Heavy Crown reduction by up to 12m to create new pollard points. T2 Lime-Heavy Crown reduction by up to 12m to create new pollard points. T3 Elm Crown reduce by up to 2m back to Good viable growth points
T3 - White Mulberry - crown reduce by 40%
Median price across the last 5 sales in SG8 0JZ: £460,000 (2024–2022).
1 Worboys Court Pound Green Guilden Morden Royston
Sold Dec 2024
4 Pound Green Guilden Morden Royston
Sold Sept 2023
25 Pound Green Guilden Morden Royston
Sold Nov 2022
Meadow View Pound Green Guilden Morden Royston
Sold Aug 2022
35 Pound Green Guilden Morden Royston
Sold Jan 2022

Habitable Rooms
7 rooms
Street avg 6 rooms
SG8 0JD
Guilden Morden CofE Primary Academy. 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
35.9dB