8 Bogs Gap Lane is a three-bedroom detached house in Steeple Morden, Royston, Royston (SG8 0PN). It has a recorded floor area of 202 m² (around 2174 sq ft), construction records dating it to 1950-1966 and council tax band E. The latest certificate (March 2017) shows a D (score 59), a step below the typical UK home. When first surveyed in January 2015 the rating was E, the property has climbed 1 band since. Between certificates, roof efficiency went from Average to Very Good, window efficiency went from Average to Good and hot-water efficiency went from Very Poor to Poor. Main heating runs on electricity. Other recorded features include a conservatory.
Sale prices here have outpaced England HPI: 5.9% per year against 0% for the wider region. Today's modelled estimate of £644,000 is 41.5% above the 2015 sale price. At 202 m² the property is well over the postcode median (112 m² across 13 EPCs), placing it in the larger end of the local stock. One planning record on file: an extension approved in 2016. Past consents include an extension, meaningful when judging how the property has evolved. On the market in August 2015 and unlisted since — roughly 11 years.
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
8 Bogs Gap Lane's carbon output runs well above what efficient homes in the postcode produce.
Extension: Part single, part two storey
Two storey and single storey extensions and associated alterations to house and attached garage
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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8 Bogs Gap Lane has more than tripled in price since its earliest registered sale in 1995.
£644,000
Modelled from EPC, postcode comparables and a sale-price growth of 5.9% per year over 20 years.
£455,000
Growth on file: 5.9% per year over 20 years.
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
8 Bogs Gap Lane outperforms the street on floor area by a wide margin.
Price per m²
£2,252
Street avg £2,526
Floor Area
202 m²
Street avg 116 m²
Habitable Rooms
7 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
0.8 km

Daytime· 07:00 – 23:00
43.4dB

Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Changes detected from historical EPC data
Heat pump installed, significantly improving energy efficiency
Changed to a more efficient fuel source
Heating controls changed
Hot water system upgraded
Window efficiency improved
More low energy lighting installed
Hot water efficiency improved
Loft insulation upgraded to recommended levels
27 August 2015Most recent
£455,000
+213.8%over 20 years17 July 1995
£145,000
Median price across the last 5 sales in SG8 0PN: £500,000 (2025–2014).

Street avg 5 rooms
CO₂ Emissions
6.4 t/year
Street avg 4.8 t/year
SG8 0NZ
Steeple Morden CofE VC Primary School. 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
35.8dB