21 Chalkdown, Stevenage, SG2 7BG
About 21 Chalkdown
21 Chalkdown is a four-bedroom detached house in Stevenage (SG2 7BG). It has a recorded floor area of 137 m² (around 1475 sq ft), construction records dating it to 1983-1990 and council tax band F. The latest certificate (January 2022) shows a C (score 70). The recommended improvements would push it to B (score 81).
At 137 m² the property is well over the postcode median (96 m² across 51 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 75% of similar EPCs). Across 2001–2022, sale prices on this property compounded at 4.8% per year. Today's modelled estimate of £629,000 is 10.7% above the 2022 sale price. On a £-per-square-foot basis, the last sale (£385/sq ft) was about 51.8% above the typical sold price in the postcode. Sold April 2022 for £568,000. 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 Chalkdown
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
- Bedrooms4
- Bathrooms2
- Dining roomYes
- CloakroomYes
- EnsuiteYes
- StudyYes
Outside
- Private gardenRear
- GarageDouble, Detached
Energy performance
EPC Rating
Planning history
21 Chalkdown has no planning applications on record.
Notable planning nearby
10applications of note in the surrounding area
We flagged 1 thing worth checking at 21 Chalkdown
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
21 Chalkdown has more than doubled in price since the earliest registered sale in 2001.
£629,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.8% per year over 21 years.
£568,000
Growth on file: 4.8% per year over 21 years.
Sales timeline
6 April 2022Most recent
£568,000
+164.2%over 20 years9 August 2001
£215,000
Median price across the last 5 sales in SG2 7BG: £360,000 (2025–2025).
Everything we know about 21 Chalkdown, 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 Chalkdown homes
21 Chalkdown outperforms the street on habitable rooms by a wide margin.
Price per m²
£4,146
Street avg £3,896
Floor Area
137 m²
Street avg 102 m²
Habitable Rooms
8 rooms
Street avg 6 rooms
CO₂ Emissions
4.6 t/year
Street avg 4.3 t/year
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The neighbourhood at a glance
Daytime road noise here sits well below conversation level — a quiet pocket of the postcode.
Crime
5/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Downlands — bus stop.
Closest school
0.7 km
The Nobel School. 23 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
46.3dB
Night-time· 23:00 – 07:00
37.1dB