31 Penn Road, Stevenage, SG1 1HY
About 31 Penn Road
31 Penn Road is a one-bedroom semi-detached house in Stevenage (SG1 1HY). It has a recorded floor area of 41 m² (around 441 sq ft), construction records dating it to 1950-1966 and council tax band B. The latest certificate (June 2025) shows a C (score 75), near the top of the C band. When first surveyed in April 2018 the rating was E, the property has climbed 2 bands since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Good and hot-water efficiency went from Average to Good. At 41 m² this is the 6th smallest of 21 units on EPC record in the building, where floor areas span 24–125 m². The building's EPC ratings span C to B, with this unit at the bottom. Other recorded features include a balcony.
It hasn't traded since July 2003, a hold of 23 years that's notably long for the area. Across 1999–2003, sale prices on this property compounded at 19.3% per year. Today's modelled estimate of £169,000 sits 101.2% above the 2003 sale of £84,000. On a £-per-square-foot basis, the last sale (£190/sq ft) was about 34.7% above the typical sold price in the postcode.
Know exactly what you're buying at 31 Penn Road
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
- Bedrooms1
Outside
- GarageYes
- BalconyYes
Building
- Heating systemLpg
Energy performance
31 Penn Road's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Hot water efficiency improved
Wall insulation improved
Loft insulation installed or upgraded to 250mm+
More low energy lighting installed
Planning history
31 Penn Road has no planning applications on record.
Notable planning nearby
14applications of note in the surrounding area
We flagged 1 thing worth checking at 31 Penn Road
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.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
Sale price has at least doubled since 1999.
£169,000
Modelled from EPC, postcode comparables and a sale-price growth of 19.3% per year over 4 years.
£84,000
Growth on file: 19.3% per year over 4 years.
Sales timeline
17 July 2003Most recent
£84,000
+121.1%over 4 years21 January 1999
£38,000
Median price across the last 5 sales in SG1 1HY: £173,000 (2022–2007).
Everything we know about 31 Penn Road, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby
Versus other Penn Road homes
Price per m² for 31 Penn Road runs comfortably ahead of the street norm.
Price per m²
£2,049
Street avg £1,701
Floor Area
41 m²
Street avg 42 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.4 t/year
Street avg 1.2 t/year
Similar properties nearby
The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
20/mo
Rising year-on-year across the wider district.
Nearest stop
0.2 km
Penn Road — bus stop.
Closest school
0.2 km
Broom Barns Primary School. 30 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
54.8dB
Night-time· 23:00 – 07:00
45.2dB