4 Westfield Road is a three-bedroom semi-detached house in Fowlmere, Royston, Royston (SG8 7SN). It has a recorded floor area of 162 m² (around 1744 sq ft), construction records dating it to 1930-1949 and council tax band D. The latest certificate (June 2022) shows a D (score 55), a step below the typical UK home. The rating has held steady at D across 2 certificates since July 2010. Between certificates, window efficiency went from Average to Good; while wall efficiency dropped from Good to Average and roof efficiency dropped from Average to Very Poor. Main heating runs on lpg.
Sale prices here have outpaced England HPI: 7.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£315/sq ft) was about 23.8% above the typical sold price in the postcode. At 162 m² the property is well over the postcode median (102 m² across 8 EPCs), placing it in the larger end of the local stock. One planning record on file: a loft conversion approved in 2018. Past consents include a loft conversion, meaningful when judging how the property has evolved. Sold September 2022 for £550,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
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Certificate of lawful development for a loft conversion
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Latest sale on 4 Westfield Road was the highest on Land Registry record across the postcode.
£538,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 11 years.
£550,000
Growth on file: 7.6% per year over 11 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On floor area, 4 Westfield Road stands well clear of the street.
Price per m²
£3,395
Street avg £2,966
Floor Area
162 m²
Street avg 107 m²
Habitable Rooms
6 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.
Closest school
0.1 km

Daytime· 07:00 – 23:00
44.1dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Fuel source changed
Hot water efficiency decreased
Windows upgraded, improving insulation
9 September 2022Most recent
£550,000
+131.6%over 11 years15 March 2011
£237,500
Median price across the last 5 sales in SG8 7SN: £300,000 (2024–2010).

Street avg 5 rooms
CO₂ Emissions
4.9 t/year
Street avg 5.6 t/year
SG8 7FB
Fowlmere Primary School. 3 schools nearby.
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The full report breaks down crime, transport links, schools and air quality in depth.
Night-time· 23:00 – 07:00
36.7dB