21 Mendip Way, Stevenage, SG1 6GG
About 21 Mendip Way
21 Mendip Way is a detached house in Stevenage (SG1 6GG). It has a recorded floor area of 206 m² (around 2217 sq ft), construction records dating it to 2003-2006 and council tax band F. The latest certificate (September 2021) shows a C (score 78), near the top of the C band. The rating has held steady at C across 2 certificates since June 2011. Between certificates, lighting went from Poor to Very Good. The recommended improvements would push it to B (score 83).
At 206 m² the property is well over the postcode median (135 m² across 9 EPCs), placing it in the larger end of the local stock. One planning record on file: HMO conversion approved in 2025. Past consents include HMO conversion, meaningful when judging how the property has evolved. Across 2005–2021, sale prices on this property compounded at 2.7% per year. Today's modelled estimate of £634,000 is 29.4% above the 2021 sale price. Most recent transfer: April 2021 at £490,000. That sale was during the post-pandemic price surge, when transactions cleared materially above pre-2020 trend.
Know exactly what you're buying at 21 Mendip Way
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
- Aug 2025HMOOutlineIn report
Conversion of property from 6 bed / 6 person C4 HMO into a 7 bed / 7 person Sui Generis HMO and installation of cycle store to rear garden area
- Agent
- Mr Andrew MacDougall
- Documents
- 7 docs on file
- Reference
- 25/01734/LDCP
What's in 21 Mendip Way, Stevenage, SG1 6GG's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
Latest sale on 21 Mendip Way was the highest on Land Registry record across the postcode.
£634,000
Modelled from EPC, postcode comparables and a sale-price growth of 2.7% per year over 15 years.
£490,000
Growth on file: 2.7% per year over 15 years.
Sales timeline
7 April 2021Most recent
£490,000
+48.5%over 7 years18 November 2013
£330,000
+1.2%over 8 years27 October 2005
£326,000
Median price across the last 5 sales in SG1 6GG: £410,000 (2024–2020).
Everything we know about 21 Mendip Way, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
- Am I paying too much?
- Is something wrong with it?
- Is the agent's story true?
- Will it hold its value?
Versus other Mendip Way homes
21 Mendip Way outperforms the street on floor area by a wide margin.
Price per m²
£2,379
Street avg £2,759
Floor Area
206 m²
Street avg 131 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
4.7 t/year
Street avg 3.2 t/year
Similar properties nearby
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
The Beacons — bus stop.
Closest school
0.4 km
Round Diamond Primary School. 15 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
45.9dB
Night-time· 23:00 – 07:00
36.7dB