12 Brimstone Drive, Stevenage, SG1 4FX
About 12 Brimstone Drive
12 Brimstone Drive is a three-bedroom semi-detached house in Stevenage (SG1 4FX). It has a recorded floor area of 98 m² (around 1055 sq ft), construction records dating it to 2007-2011 and council tax band E. The latest certificate (October 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since March 2011. Between certificates, lighting went from Average to Very Good; while roof efficiency dropped from Very Good to Good and window efficiency dropped from Very Good to Good. The recommended improvements would push it to B (score 88).
One planning record on file: a garage conversion approved in 2022. Past consents include a garage conversion, meaningful when judging how the property has evolved. Across 2012–2022, sale prices on this property compounded at 4.7% per year. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 52.6% above the typical sold price in the postcode. At 98 m² it's 18.7% smaller than the typical home in the postcode (121 m² median across 46 EPCs). Sold March 2022 for £426,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 12 Brimstone Drive
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
What this property has
Inside
- Bedrooms3
- Bathrooms2
Outside
- Private gardenYes
- GarageYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Wall insulation upgraded
Planning history
- Jul 2022Garage ConversionFullIn report
Garage Conversion to habitable accommodation and external alterations.
- Documents
- 11 docs on file
- Reference
- 22/00576/FPH
We flagged 2 things worth checking at 12 Brimstone Drive
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.
- Signs of HMO activity in the area
- Larger development activity nearby
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Sales history & valuation
The latest sale landed in the post-pandemic price surge — useful context when reading the figure.
£439,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.7% per year over 9 years.
£426,000
Growth on file: 4.7% per year over 9 years.
Sales timeline
11 March 2022Most recent
£426,000
+54.9%over 9 years27 September 2012
£274,995
Median price across the last 5 sales in SG1 4FX: £420,000 (2025–2021).
Nearby sales in SG1 4FX
Everything we know about 12 Brimstone Drive, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Signs of HMO activity in the area
- Larger development activity nearby

Versus other Brimstone Drive homes
On price per m², 12 Brimstone Drive stands well clear of the street.
Price per m²
£4,347
Street avg £3,115
Floor Area
98 m²
Street avg 114 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
2.4 t/year
Street avg 2.2 t/year
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1 Crambus Court, Admiral Drive
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The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
20/mo
Rising year-on-year across the wider district.
Nearest stop
0.3 km
Allied Bakeries — bus stop.
Closest school
0.5 km
Martins Wood Primary School. 20 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
49.0dB

Night-time· 23:00 – 07:00
38.0dB