18 Dunn Close
SG1 1SB
- Flat
- 517 sq ft
- EPC C
What comparable sales show
Strong match£182,000
Range £160,000 to £204,000 · £352 per sq ft
Rank in SG1 1SB
10th of 10
Postcode average £370,200
From completed sales of similar homes nearby, adjusted for floor area. It cannot see condition, layout or recent work, so it is not a valuation.
In short
18 Dunn Close is a flat in SG1 of about 517 sq ft.
Comparable completed sales nearby put it at £160,000 to £204,000, about £182,000 in the middle.
That makes it the 10th highest of the 10 homes we can compare in SG1 1SB, where the middle figure averages £370,200.
Across Stevenage, average prices fell 2.1% 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
£160,000
Middle
£182,000
Upper end
£204,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
On the map
Where 18 Dunn Close is
18 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.
Energy
How efficient the home is
Energy performance certificate
From the official register for 18 Dunn Close, lodged 8 December 2025.
Rating now
C77 points
Could reach
C77 points
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Heating
Community scheme
AverageHeating controls
Flat rate charging, programmer and at least two room thermostats
AverageHot water
Community scheme
AverageLighting
Low energy lighting in all fixed outlets
Very good
Estimated running costs
A year, now and after the recommended improvements.
Heating
Hot water
Lighting
The assessor's estimates at the energy prices in use when the certificate was made (2025), for a typical household. Today's bills will differ.
History
What it has sold for
Sale history
Every sale of this home registered with HM Land Registry since 1995
No sale of this home has been registered since 1995.
Nearby
Neighbours and the sales behind the figure
Homes in SG1 1SB
Ranked by what comparable sales show. Choose one to see its page.
The completed sales behind the figure
Similar homes nearby, registered with HM Land Registry. Choose one to see its page.
| Home | Price | Sold | Size | Per sq ft | Away |
|---|---|---|---|---|---|
| Apartment 12, Pinetree Court DanestreteSG1 1YJ · Flat | £145,000 | Mar 2026 | 527 sq ft | £275 | 0.5 mi |
| 42 Tippett CourtSG1 1XR · Flat | £187,500 | Apr 2025 | 495 sq ft | £379 | 0.3 mi |
| 26 Walden EndSG1 1TZ · Flat | £140,000 | Sept 2025 | 463 sq ft | £302 | 0.3 mi |
| 66, Mulberry House Park PlaceSG1 1BH · Flat | £195,000 | Apr 2026 | 474 sq ft | £412 | 0.6 mi |
| Flat 116, Skyline House SwingateSG1 1AX · Flat | £172,500 | May 2026 | 506 sq ft | £341 | 0.7 mi |
| 4, Trefoil Lodge Cuttys LaneSG1 1AB · Flat | £200,000 | Jun 2025 | 560 sq ft | £357 | 0.5 mi |
| Apartment 20, Pinetree Court DanestreteSG1 1YJ · Flat | £227,500 | Apr 2026 | 700 sq ft | £325 | 0.5 mi |
| Apartment 5, Pinetree Court DanestreteSG1 1YJ · Flat | £168,000 | May 2025 | 463 sq ft | £363 | 0.5 mi |
| 25, Mulberry House Park PlaceSG1 1BF · Flat | £178,000 | Sept 2025 | 474 sq ft | £376 | 0.6 mi |
| 91 Penn RoadSG1 1HZ · Flat | £150,000 | Dec 2024 | 474 sq ft | £317 | 0.4 mi |
| Flat 61, Boston House Park PlaceSG1 1AZ · Flat | £180,500 | Sept 2025 | 474 sq ft | £381 | 0.6 mi |
| 100, Mulberry House Park PlaceSG1 1BH · Flat | £200,000 | Aug 2025 | 463 sq ft | £432 | 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.
Floor area and energy rating from the energy certificate of December 2025.
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