1 Penn Road, Stevenage, SG1 1HY
About 1 Penn Road
1 Penn Road is a semi-detached house in Stevenage (SG1 1HY). It has a recorded floor area of 42 m² (around 452 sq ft), construction records dating it to 1900-1929 and council tax band B. The latest certificate (March 2025) shows a C (score 74). When first surveyed in October 2018 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Very Poor to Very Good, window efficiency went from Average to Good and lighting went from Average to Good. At 42 m² this is the 7th 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.
Held since November 1999 — that's 27 years off the open market, well above the local norm. Only one transfer is on record with HM Land Registry, suggesting it has stayed in the same hands for a long time. Today's modelled estimate of £170,000 sits 347.4% above the 1999 sale of £38,000. On a £-per-square-foot basis, the last sale (£84/sq ft) was about 42.9% below the postcode norm.
Know exactly what you're buying at 1 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
Energy performance
1 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
Window efficiency improved
Wall insulation improved
More low energy lighting installed
Planning history
1 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 1 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
1 Penn Road's modelled value sits at over four times its earliest registered sale price (1999).
£170,000
Modelled from EPC, postcode comparables.
£38,000
Recorded with HM Land Registry.
Sales timeline
12 November 1999Most recent
£38,000
Median price across the last 5 sales in SG1 1HY: £173,000 (2022–2007).
Everything we know about 1 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
On epc rating, 1 Penn Road runs well behind the street norm.
Price per m²
£905
Street avg £1,987
Floor Area
42 m²
Street avg 42 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
1.5 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