21 Dunn Close
SG1 1SB
- Semi-detached
- Freehold
What the sales records show
From an older sale: a rough guide£402,000
Range £342,000 to £462,000
Since last sale
+£208,000
+107.2% since Sept 2005, +3.5% a year
Rank in SG1 1SB
3rd of 9
Postcode average £391,000
There is no floor area on record, so this is the home's last sale moved from September 2005 to August 2026 by the official UK House Price Index for Stevenage, with the range widened the older the sale. It cannot see condition, layout or recent work, so it is not a valuation.
In short
21 Dunn Close is a freehold semi-detached in SG1.
There is no floor area on record, so its last sale has been moved to today by the official price index for Stevenage: £342,000 to £462,000, about £402,000 in the middle.
That makes it the 3rd highest of the 9 homes we can compare in SG1 1SB, where the middle figure averages £391,000.
It last sold for £194,000 in September 2005; the price index suggests it has gained about £208,000 since, roughly +3.5% a year.
Across North Hertfordshire, average prices rose 3.1% in the year to August 2026.
Where in the range would yours sell?
Condition and improvements usually decide it, and only someone who sees the home can say.
Lower end
£342,000
Middle
£402,000
Upper end
£462,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
On the map
Where 21 Dunn Close is
21 Dunn Close on the map
This home and the completed sales its figure is worked out from. Choose a pin for the address, size and date.
The Land Registry records a sale by its postcode, so pins sit at the postcode, close to the home, not on its doorstep. Map: contains OS data © Crown copyright and database rights 2026.
History
What it has sold for
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| September 2005 | £194,000 | +50.4% | +9.2% |
| February 2001 | £129,000 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in SG1 1SB
Ranked by what comparable sales show. Choose one to see its page.
Recent sales of semi-detached homes nearby
The closest sales of the same type in the last two years, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| 41 BriardaleSG1 1TR · Semi-detached | £338,000 | Aug 2025 | 904 sq ft | £374 | 0.2 mi |
| 86 Wildwood LaneSG1 1TD · Semi-detached | £352,500 | Mar 2025 | 1,173 sq ft | £300 | 0.2 mi |
| 47 Shilling EndSG1 1GA · Semi-detached | £532,995 | Oct 2025 | 1,335 sq ft | £399 | 0.3 mi |
| Lynn Cottage London RoadSG1 1XW · Semi-detached | £400,000 | Mar 2025 | 1,130 sq ft | £354 | 0.3 mi |
| 1 Walden EndSG1 1UA · Semi-detached | £260,000 | Dec 2024 | – | – | 0.3 mi |
| 110 Broad Oak WaySG2 8RB · Semi-detached | £472,000 | Aug 2025 | – | – | 0.5 mi |
| 14 Valley WaySG2 9AB · Semi-detached | £330,000 | Mar 2025 | – | – | 0.5 mi |
| 102 Broad Oak WaySG2 8RA · Semi-detached | £377,000 | Nov 2024 | – | – | 0.5 mi |
| 15 Poppy MeadSG1 1QZ · Semi-detached | £260,000 | Dec 2024 | 926 sq ft | £281 | 0.5 mi |
| 25 Angle WaysSG2 9AP · Semi-detached | £330,000 | Mar 2025 | – | – | 0.6 mi |
| 81A Turpins RiseSG2 8QZ · Semi-detached | £370,000 | Aug 2025 | – | – | 0.6 mi |
| 81B Turpins RiseSG2 8QZ · Semi-detached | £380,000 | Aug 2025 | – | – | 0.6 mi |
The area
SG1 at a glance
What buyers have paid in SG1
Completed sales in the last 12 months, against the 12 months before
Flats
Terraced
Semi-detached
Detached
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 377 | £362,216 | 952 sq ft | £376 | −3.9% |
| Flats | 78 | £198,787 | 611 sq ft | £328 | +11.9% |
| Terraced | 174 | £336,545 | 941 sq ft | £372 | −2.9% |
| Semi-detached | 70 | £441,227 | 1,060 sq ft | £424 | +2.8% |
| Detached | 46 | £578,325 | 1,435 sq ft | £416 | −4.9% |
Find another home
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Contains HM Land Registry data © Crown copyright and database right 2026. Licensed under the Open Government Licence v3.0.
Energy performance data © Crown copyright. Licensed under the Open Government Licence v3.0.
Contains HM Land Registry UK House Price Index data © Crown copyright. Licensed under the Open Government Licence v3.0.
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