11 Attimore Close, Welwyn Garden City, AL8 6LN
About 11 Attimore Close
11 Attimore Close is a three-bedroom mid-terrace house in Welwyn Garden City (AL8 6LN). It has a recorded floor area of 70 m² (around 753 sq ft), construction records dating it to 1930-1949 and council tax band D. The property has underfloor heating on record, all of which lower running costs and tend to lift resale appeal. Our model identifies extension potential, subject to local planning policy. The home occupies a cul-de-sac position. The latest certificate (April 2019) shows a D (score 65), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2009. Between certificates, window efficiency went from Average to Good and lighting went from Very Poor to Good; while roof efficiency dropped from Good to Average. The recommended improvements would lift it to B (score 88), a 2-band jump.
Across 2005–2024, sale prices on this property compounded at 4% per year. Today's modelled estimate of £552,000 is 16.2% above the 2024 sale price. On a £-per-square-foot basis, the last sale (£630/sq ft) was about 85.1% above the typical sold price in the postcode. At 70 m² it's 17.1% smaller than the typical home in the postcode (84 m² median across 13 EPCs). Most recent transfer: April 2024 at £475,000.
Know exactly what you're buying at 11 Attimore 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
- Bedrooms3
- Bathrooms1
- EnsuiteYes
Outside
- Private gardenYes
- ParkingYes
- Cul-de-sacYes
Building
- Underfloor heatingYes
- RefurbishedYes
- Extension potentialPossible
Energy performance
Recommended upgrades on file would lift this property by multiple EPC bands.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Planning history
11 Attimore Close has no planning applications on record.
The full report still covers planning activity across the surrounding area.
Sales history & valuation
Sale price has at least doubled since 2005.
£552,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.0% per year over 19 years.
£475,000
Growth on file: 4.0% per year over 19 years.
Sales timeline
17 April 2024Most recent
£475,000
+111.1%over 19 years19 January 2005
£225,000
Median price across the last 5 sales in AL8 6LN: £515,000 (2025–2020).
Nearby sales in AL8 6LN
16 Attimore Close, Welwyn Garden City, AL8 6LN
Sold Jun 2025
£614,7299 Attimore Close, Welwyn Garden City, AL8 6LN
Sold May 2025
£600,0005 Attimore Close, Welwyn Garden City, AL8 6LN
Sold Apr 2024
£460,00017 Attimore Close, Welwyn Garden City, AL8 6LN
Sold Jul 2022
£515,00010 Attimore Close, Welwyn Garden City, AL8 6LN
Sold Jul 2012
£345,000
Everything we know about 11 Attimore 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 Attimore Close homes
Price per m² for 11 Attimore Close runs comfortably ahead of the street norm.
Price per m²
£6,786
Street avg £4,707
Floor Area
70 m²
Street avg 91 m²
Habitable Rooms
5 rooms
Street avg 5 rooms
CO₂ Emissions
3.3 t/year
Street avg 3.6 t/year
Similar properties nearby
The neighbourhood at a glance
Crime
2/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Marsden Road — bus stop.
Closest school
0.3 km
Applecroft School. 17 schools nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.