27 Curlew Crescent is a four-bedroom detached house in Royston (SG8 7XP). It has a recorded floor area of 148 m² (around 1593 sq ft), construction records dating it to 1996-2002 and council tax band F. The latest certificate (June 2016) shows a D (score 64), on the cusp of jumping into the C band. Earlier certificates rated it C (May 2009); the latest reading is one band lower. Between certificates, lighting went from Poor to Good; while wall efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 83), a 2-band jump. The latest certificate is from June 2016, so improvements made since then won't be reflected. Other recorded features include a self-contained annexe.
Sale prices here have outpaced England HPI: 5.1% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£455/sq ft) was about 139.2% above the typical sold price in the postcode. At 148 m² the property is well over the postcode median (102 m² across 20 EPCs), placing it in the larger end of the local stock. Sold August 2022 for £725,000. Across the public record there are 4 sales, relatively high churn for a single property. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. 2 planning records sit against the property, 0 approved, 0 refused.
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
27 Curlew Crescent'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This certificate is over 10 years old and is no longer valid.Expired 02 Jun 2026
Partial conversion of existing garage and office to living accommodation.
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27 Curlew Crescent has more than doubled in price since the earliest registered sale in 2000.
£726,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.1% per year over 22 years.
£725,000
Growth on file: 5.1% per year over 22 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
27 Curlew Crescent outperforms the street on price per m² by a wide margin.
Price per m²
£4,899
Street avg £3,627
Floor Area
148 m²
Street avg 107 m²
Habitable Rooms
7 rooms
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Roundabout — bus stop.

Daytime· 07:00 – 23:00
53.6dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Window efficiency improved
Floor insulation added or improved
More low energy lighting installed
Roof insulation improved
More low energy lighting installed
Extension: Single storey · Side of property
Single storey side extension to existing double garage to provide home office.
12 August 2022Most recent
£725,000
+23.9%over 6 years30 March 2016
£585,000
+42.7%over 6 years26 March 2010
£410,000
+68.7%over 9 years31 October 2000
£243,000
Median price across the last 5 sales in SG8 7XP: £530,000 (2023–2021).

Street avg 5 rooms
CO₂ Emissions
6.1 t/year
Street avg 4.2 t/year
SG8 7XP
Closest school
0.6 km
King James Academy Royston. 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
45.2dB