23a is a detached house in Guilden Morden, Royston, Royston (SG8 0JZ). It has a recorded floor area of 121 m² (around 1302 sq ft), construction records dating it to 1991-1995 and council tax band F. The latest certificate (June 2013) shows a D (score 57), a step below the typical UK home. The recommended improvements would lift it to B (score 81), a 2-band jump. Main heating runs on oil. The latest certificate is from June 2013, so improvements made since then won't be reflected.
4 planning records sit against the property, 2 approved, 2 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
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This certificate is over 10 years old and is no longer valid.Expired 28 Jun 2023
Council records include a two-storey front extension at 23a.
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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23a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£573,000
Modelled from EPC, postcode comparables.
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
EPC Rating
57 (D)
Street avg 56 (D)
Floor Area
121 m²
Street avg 131 m²
CO₂ Emissions
5.9 t/year
Street avg 5.8 t/year
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
43.3dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Extension: Two storey · Front of property
Two storey front extension
Extension: Part single, part two storey · Front of property
Single storey front extension and rear two storey and part single storey extension to existing house and associated alteration
Median price across the last 5 sales in SG8 0JZ: £460,000 (2024–2022).
1 Worboys Court Pound Green Guilden Morden Royston
Sold Dec 2024
4 Pound Green Guilden Morden Royston
Sold Sept 2023
25 Pound Green Guilden Morden Royston
Sold Nov 2022
Meadow View Pound Green Guilden Morden Royston
Sold Aug 2022
35 Pound Green Guilden Morden Royston
Sold Jan 2022

Habitable Rooms
6 rooms
Street avg 6 rooms
SG8 0RB
Guilden Morden CofE Primary Academy. 2 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
35.9dB