17 Knott Close, Stevenage, SG1 6NP
About 17 Knott Close
17 Knott Close is a one-bedroom semi-detached house in Stevenage (SG1 6NP). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 2007-2011 and council tax band B. At 46 m² this is the 2nd smallest of 34 units on EPC record in the building, where floor areas span 45–98 m². The building's EPC ratings span C to B, with this unit at the bottom. Other recorded features include a loft. The latest certificate (January 2021) shows a C (score 79), near the top of the C band. Earlier certificates rated it B (November 2009); the latest reading is one band lower. Between certificates, lighting went from Very Poor to Good; while roof efficiency dropped from Very Good to Good and hot-water efficiency dropped from Very Good to Good.
Most recent transfer was August 2025 at £200,000 — fresh data. Across the public record there are 6 sales, relatively high churn for a single property. Across 2008–2025, sale prices on this property compounded at 3.2% per year. On a £-per-square-foot basis, the last sale (£404/sq ft) was about 62% above the typical sold price in the postcode. At 46 m² it's 25.8% smaller than the typical home in the postcode (62 m² median across 33 EPCs).
Know exactly what you're buying at 17 Knott Close
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
- LoftYes
Outside
- ParkingAllocated
Energy performance
17 Knott Close'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 decreased
More low energy lighting installed
Planning history
17 Knott Close has no planning applications on record.
Notable planning nearby
1applications of note in the surrounding area
Sales history & valuation
17 Knott Close has changed hands more often than typical for the area.
£207,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 17 years.
£200,000
Growth on file: 3.2% per year over 17 years.
Sales timeline
18 August 2025Most recent
£200,000
+10.8%over 4 years26 March 2021
£180,500
+2.3%over 2 years31 July 2018
£176,500
+31.2%over 4 years5 June 2014
£134,500
+12.1%over 3 years12 September 2010
£119,995
+1.7%over 1 year9 December 2008
£118,000
Median price across the last 5 sales in SG1 6NP: £207,000 (2025–2024).
Everything we know about 17 Knott Close, 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 Knott Close homes
On habitable rooms, 17 Knott Close runs well behind the street norm.
Price per m²
£4,348
Street avg £2,187
Floor Area
46 m²
Street avg 63 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
1.1 t/year
Street avg 1.3 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
0.2 km
Whitworth Road — bus stop.
Closest school
0.1 km
Round Diamond Primary School. 19 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
48.5dB
Night-time· 23:00 – 07:00
37.8dB