30 Church Street is a four-bedroom detached house in Guilden Morden, Royston, Royston (SG8 0JD). It has a recorded floor area of 127 m² (around 1367 sq ft), construction records dating it to before 1900 and council tax band E. The latest certificate (March 2021) shows an E (score 39), well below the UK norm with real room to improve. The recommended improvements would lift it to C (score 70), a 2-band jump. Main heating runs on electricity. Period features are noted in the property record.
Today's modelled estimate of £549,000 is 12% above the 2021 sale price. On a £-per-square-foot basis, the last sale (£358/sq ft) was about 40.7% above the typical sold price in the postcode. Last sale on file: £490,000 in June 2021. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend. One historical planning record sits against the property in 2024.
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
30 Church Street's carbon output runs well above what efficient homes in the postcode produce.
T1 Apple Tree - 1.5metre crown reduction, to previous pruning points to maintain the size of tree and keep the tree the correct height for picking fruit. T2 Apple Tree - crown reduce up to 1 metre to suitable growth points T3 Pear Tree - 2metre height reduction to suitable growth points T4 Magnolia - crown reduce up 0.6m removal of deadwood and running branches. T5 Pear Tree - crown reduce up to 1m to maintain size of canopy.
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.
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The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£549,000
Modelled from EPC, postcode comparables.
£490,000
Recorded with HM Land Registry.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
On co₂ emissions, 30 Church Street runs well behind the street norm.
Price per m²
£3,858
Street avg £4,264
Floor Area
127 m²
Street avg 133 m²
Habitable Rooms
6 rooms
Street avg 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
0.2 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
28 June 2021Most recent
£490,000
Median price across the last 5 sales in SG8 0JD: £603,000 (2025–2022).

CO₂ Emissions
16.0 t/year
Street avg 8.2 t/year
SG8 0JD
Guilden Morden CofE Primary Academy. 2 schools nearby.
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Night-time· 23:00 – 07:00
36.1dB