20 Church Street is a mid-terrace house in Guilden Morden, Royston, Royston (SG8 0JD). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to before 1900 and council tax band C. The latest certificate (December 2015) shows an E (score 54), well below the UK norm with real room to improve. The recommended improvements would lift it to A (score 118), a 4-band jump. Main heating runs on oil. The latest certificate is from December 2015, so improvements made since then won't be reflected.
Untraded for 25 years, with the last transfer in May 2001. Sale prices here have outpaced England HPI: 18.6% per year against 0% for the wider region. Today's modelled estimate of £310,000 sits 162.7% above the 2001 sale of £118,000. On a £-per-square-foot basis, the last sale (£186/sq ft) was about 28.9% below the postcode norm. At 59 m² it sits well below the postcode median (120 m² across 28 EPCs), making it one of the more compact homes locally.
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
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This certificate is over 10 years old and is no longer valid.Expired 08 Dec 2025
20 Church Street has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
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20 Church Street's modelled value sits at over four times its earliest registered sale price (1997).
£310,000
Modelled from EPC, postcode comparables and a sale-price growth of 18.6% per year over 4 years.
£118,000
Growth on file: 18.6% per year over 4 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
20 Church Street outperforms the street on years held by a wide margin.
Price per m²
£2,000
Street avg £4,333
Floor Area
59 m²
Street avg 136 m²
Habitable Rooms
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.
Closest school
0.2 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
4 May 2001Most recent
£118,000
+84.4%over 3 years30 September 1997
£64,000
Median price across the last 5 sales in SG8 0JD: £603,000 (2025–2022).

Street avg 6 rooms
CO₂ Emissions
4.4 t/year
Street avg 8.6 t/year
Guilden Morden CofE Primary Academy. 2 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
36.1dB