21 High Plash, Cuttys Lane, Stevenage, SG1 1JG
About 21 High Plash
21 High Plash is a one-bedroom semi-detached house in Stevenage (SG1 1JG). It has a recorded floor area of 47 m² (around 506 sq ft), construction records dating it to 1950-1966 and council tax band A. The latest certificate (November 2017) shows a D (score 57), a step below the typical UK home. Earlier certificates rated it C (December 2009); the latest reading is one band lower. Between certificates, wall efficiency dropped from Good to Very Poor and window efficiency dropped from Good to Average. The recommended improvements would push it to C (score 72). At 47 m² this is the 39th smallest of 48 units on EPC record in the building, where floor areas span 31–49 m². The building's EPC ratings span E to C across 48 units on file.
Held since January 2002 — that's 24 years off the open market, well above the local norm. Across 1996–2002, sale prices on this property compounded at 23.2% per year. Today's modelled estimate of £132,000 sits 153.8% above the 2002 sale of £52,000. On a £-per-square-foot basis, the last sale (£103/sq ft) was about 38.7% below the postcode norm. It lags the bulk of the postcode on energy efficiency (less efficient than 83% of similar EPCs).
Know exactly what you're buying at 21 High Plash
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
- Bathrooms1
Energy performance
EPC Rating
Planning history
21 High Plash has no planning applications on record.
Notable planning nearby
14applications of note in the surrounding area
We flagged 1 thing worth checking at 21 High Plash
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 grown by over 3x since 1996.
£132,000
Modelled from EPC, postcode comparables and a sale-price growth of 23.2% per year over 6 years.
£52,000
Growth on file: 23.2% per year over 6 years.
Sales timeline
23 January 2002Most recent
£52,000
+225.0%over 5 years30 May 1996
£16,000
Median price across the last 5 sales in SG1 1JG: £120,000 (2024–2017).
Nearby sales in SG1 1JG
32 High Plash, Cuttys Lane, Stevenage, SG1 1JG
Sold Aug 2024
£115,0009 High Plash, Cuttys Lane, Stevenage, SG1 1JG
Sold Jun 2023
£115,00050 High Plash, Cuttys Lane, Stevenage, SG1 1JG
Sold Jun 2020
£120,0006 High Plash, Cuttys Lane, Stevenage, SG1 1JG
Sold Jun 2017
£120,00042 High Plash, Cuttys Lane, Stevenage, SG1 1JG
Sold May 2017
£133,000
Everything we know about 21 High Plash, 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 High Plash homes
On price per m², 21 High Plash runs well behind the street norm.
Price per m²
£1,106
Street avg £2,086
Floor Area
47 m²
Street avg 44 m²
Habitable Rooms
2 rooms
Street avg 2 rooms
CO₂ Emissions
3.2 t/year
Street avg 1.7 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
0.0 km
Friends Meeting House — bus stop.
Closest school
0.3 km
Broom Barns Primary School. 31 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
56.8dB

Night-time· 23:00 – 07:00
47.5dB