Willow Barn is a detached house in Guilden Morden, Royston, Royston (SG8 0JZ). It has a recorded floor area of 153 m² (around 1647 sq ft). The latest certificate (September 2019) returns a high B (score 86), putting the home a stone's throw from an A rating. The recommended improvements would push it to A (score 94). Main heating runs on electricity: electricity, unspecified tariff.
It hasn't traded since October 1999, a hold of 27 years that's notably long for the area. Sale prices here have outpaced England HPI: 20% per year against 0% for the wider region. Today's modelled estimate of £1,069,000 sits 125.1% above the 1999 sale of £475,000. At 153 m² the property is well over the postcode median (111 m² across 19 EPCs), placing it in the larger end of the local stock. On energy efficiency it sits in the top 10% of properties in this postcode. 11 planning records sit against the property, 4 approved, 4 refused. Past consents include an extension, 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
Willow Barn ranks among the most efficient homes in the postcode for energy use.
A recent planning application at Willow Barn was refused — worth checking the council file.
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.
Willow Barn's estimated value is more than triple its earliest registered sale price (1997).
£1,069,000
Modelled from EPC, postcode comparables and a sale-price growth of 20.0% per year over 2 years.
£475,000
Growth on file: 20.0% per year over 2 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
Years Held for Willow Barn runs comfortably ahead of the street norm.
Price per m²
£3,105
Street avg £3,353
Floor Area
153 m²
Street avg 129 m²
CO₂ Emissions
1.7 t/year
Street avg 6.0 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
Submission of details required by condition 3 (Arboricultural Method Statement (AMS) and Tree Protection Plan (TPP), 4 (scheme for the disposals of surface water and foul water ) and 5 (Construction Environmental Management Plan) of planning permission 25/01268/FUL
S73 to vary condition 2 (Approved plans) of planning permission 24/03519/FUL (Erection of a replacement self/custom build dwelling following the demolition of the existing building) revision to Window/door locations
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20 October 1999Most recent
£475,000
+48.4%over 2 years19 August 1997
£320,000
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

Years Held
27 years
Street avg 10 years
SG8 0JX
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