20 Knott Close, Stevenage, SG1 6NP
About 20 Knott Close
20 Knott Close is a two-bedroom end-of-terrace house in Stevenage (SG1 6NP). It has a recorded floor area of 59 m² (around 635 sq ft), construction records dating it to 2007 onwards and council tax band C. The latest certificate (January 2020) shows a C (score 74). The recommended improvements would push it to B (score 91).
One planning record on file: an extension approved in 2018. Past consents include an extension and a conservatory, meaningful when judging how the property has evolved. Across 2007–2023, sale prices on this property compounded at 3.2% per year. Today's modelled estimate of £335,000 is 11.7% above the 2023 sale price. On a £-per-square-foot basis, the last sale (£472/sq ft) was about 90.2% above the typical sold price in the postcode. Last sale on file: £300,000 in November 2023.
Know exactly what you're buying at 20 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
- Bedrooms2
- Bathrooms1
- Dining roomYes
- CloakroomYes
Building
- RefurbishedYes
Energy performance
EPC Rating
Planning history
20 Knott Close has an approved rear extension on the planning record.
- Jul 2018ConservatoryOutlineIn report
Extension: Rear of property
Rear conservatory
- Agent
- EHW Architects Ltd
Extension- Documents
- 5 docs on file
- Reference
- 18/01336/LDCP
What's in 20 Knott Close, Stevenage, SG1 6NP's planning history?
Refusals, disputes and full decisions on this property and nearby, in the report.
Sales history & valuation
20 Knott Close valuation sits well clear of the typical sold price in this postcode.
£335,000
Modelled from EPC, postcode comparables and a sale-price growth of 3.2% per year over 16 years.
£300,000
Growth on file: 3.2% per year over 16 years.
Sales timeline
3 November 2023Most recent
£300,000
+33.3%over 8 years5 July 2015
£225,000
+25.0%over 7 years4 October 2007
£180,000
Median price across the last 5 sales in SG1 6NP: £207,000 (2025–2024).
Everything we know about 20 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
20 Knott Close outperforms the street on price per m² by a wide margin.
Price per m²
£5,085
Street avg £3,995
Floor Area
59 m²
Street avg 70 m²
Habitable Rooms
4 rooms
Street avg 4 rooms
CO₂ Emissions
1.9 t/year
Street avg 1.9 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