23 Crawley End is a three-bedroom semi-detached house in Chrishall, Royston, Royston (SG8 8QL). It has a recorded floor area of 103 m² (around 1109 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (June 2013) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 74), a 2-band jump. Main heating runs on lpg. The latest certificate is from June 2013, so improvements made since then won't be reflected. Other recorded features include notable views. It has already been extended once and our model flags further extension potential, a sign of buyer flexibility.
Sale prices here have outpaced England HPI: 3.3% per year against 0% for the wider region. Today's modelled estimate of £517,000 is 18.6% above the 2017 sale price. On a £-per-square-foot basis, the last sale (£393/sq ft) was about 103% above the typical sold price in the postcode. At 103 m² the property is well over the postcode median (77 m² across 22 EPCs), placing it in the larger end of the local stock. One planning record on file: a loft conversion approved in 2008. Past consents include a loft conversion, meaningful when judging how the property has evolved. On the market in June 2017 and unlisted since — roughly 9 years.
Recommended upgrades on file would lift this property by multiple EPC bands.
This certificate is over 10 years old and is no longer valid.Expired 28 Jun 2023
Loft Conversion with addition of rooflights
23 Crawley End valuation sits well clear of the typical sold price in this postcode.
£517,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.3% per year over 11 years.
£436,000
Growth on file: 3.3% per year over 11 years.
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On habitable rooms, 23 Crawley End stands well clear of the street.
Price per m²
£4,233
Street avg £3,171
Floor Area
103 m²
Street avg 81 m²
Habitable Rooms
6 rooms
Street avg 4 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
0.0 km

Daytime· 07:00 – 23:00
43.3dB

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Full planning data for 23 Crawley End, Chrishall, Royston, SG8 8QL
Every application and decision on this property and nearby, in full, in the report.
30 June 2017Most recent
£436,000
+40.6%over 10 years24 November 2006
£310,000
Median price across the last 5 sales in SG8 8QL: £392,500 (2023–2017).
Detailed EPC data
Full energy ratings, history and recommendations
Full planning history
Every application and decision on record
Comparable sales data
Plus transport, crime, schools and air quality
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CO₂ Emissions
3.7 t/year
Street avg 5.0 t/year
SG8 8SB
Pinkeneys — bus stop.
Closest school
0.8 km
Chrishall Holy Trinity and St Nicholas CofE (Aided) Primary School and Pre-School. 1 school nearby.
Night-time· 23:00 – 07:00
35.8dB