99 Penn Road, Stevenage, SG1 1HZ
About 99 Penn Road
99 Penn Road is a mid-terrace house in Stevenage (SG1 1HZ). It has a recorded floor area of 26 m² (around 280 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (May 2025) shows a C (score 76), near the top of the C band. When first surveyed in June 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good, roof efficiency went from Very Poor to Very Good and window efficiency went from Average to Good. At 26 m² this is the 5th smallest of 31 units on EPC record in the building, where floor areas span 24–93 m². The building's EPC ratings span D to B across 31 units on file.
It hasn't traded since February 2003, a hold of 23 years that's notably long for the area. Across 2001–2003, sale prices on this property compounded at 43.3% per year. Today's modelled estimate of £123,000 sits 78.3% above the 2003 sale of £69,000. On a £-per-square-foot basis, the last sale (£247/sq ft) was about 17% above the typical sold price in the postcode. At 26 m² it sits well below the postcode median (44 m² across 30 EPCs), making it one of the more compact homes locally.
Know exactly what you're buying at 99 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
99 Penn Road's carbon output is low for the local stock.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water system changed
Window efficiency improved
Cavity wall insulation installed
Roof insulation improved
More low energy lighting installed
Heating controls changed
Hot water system upgraded
Roof insulation improved
Planning history
99 Penn Road has no planning applications on record.
Notable planning nearby
14applications of note in the surrounding area
We flagged 2 things worth checking at 99 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
- Recent ownership pattern worth a look
30-day money-back guarantee
Sales history & valuation
99 Penn Road changed hands twice within eighteen months — unusual for the area.
£123,000
Modelled from EPC, postcode comparables and a sale-price growth of 43.3% per year over 1 year.
£69,000
Growth on file: 43.3% per year over 1 year.
Sales timeline
21 February 2003Most recent
£69,000
+53.3%over 1 year14 December 2001
£45,000
Median price across the last 5 sales in SG1 1HZ: £150,000 (2024–2022).
Everything we know about 99 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
- Recent ownership pattern worth a look

Versus other Penn Road homes
99 Penn Road outperforms the street on years held by a wide margin.
Price per m²
£2,654
Street avg £3,364
Floor Area
26 m²
Street avg 43 m²
Habitable Rooms
1 rooms
Street avg 2 rooms
CO₂ Emissions
0.9 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
0.1 km
Friends Meeting House — 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
56.4dB

Night-time· 23:00 – 07:00
47.1dB