12 Blackdown Close
SG1 6AX
- Terraced
- Freehold
- 2 bedrooms (estimate)
- 678 sq ft
- EPC C
What comparable sales show
Strong match£330,000
Range £290,000 to £369,000 · £486 per sq ft
Since last sale
+£163,000
+97.6% since Sept 2004, +3.1% a year
Rank in SG1 6AX
26th of 45
Postcode average £390,267
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
12 Blackdown Close is a 2 bedroom freehold terraced in SG1 of about 678 sq ft.
Comparable completed sales nearby put it at £290,000 to £369,000, about £330,000 in the middle.
That makes it the 26th highest of the 45 homes we can compare in SG1 6AX, where the middle figure averages £390,267.
It last sold for £167,000 in September 2004; comparable sales suggest it has gained about £163,000 since, roughly +3.1% 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
£290,000
Middle
£330,000
Upper end
£369,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| September 2004 | £167,000 | +47.8% | +18.3% |
| May 2002 | £113,000 | +14.7% | +7.6% |
| June 2000 | £98,500 | First sale | – |
Homes in SG1 6AX
Ranked by what comparable sales show. Choose one to see its page.
- 30 Blackdown CloseTerracedSold Jan 2001 for £131k£524,000#1
- 58 Blackdown CloseSemi-detachedSold Apr 2001 for £140k£516,000#2
- 56 Blackdown CloseSemi-detachedSold Apr 2001 for £139k£512,000#3
- 32 Blackdown CloseSemi-detachedSold Nov 2002 for £192k£495,000#4
- 28 Blackdown CloseSemi-detachedSold Jan 2001 for £131k£490,000#5
- 90 Blackdown CloseDetachedSold Sept 2005 for £244k£489,000#6
- 48 Blackdown CloseSemi-detachedSold May 2001 for £132k£482,000#7
- 22 Blackdown CloseSemi-detachedSold Sept 2000 for £131k£479,000#8
- 88 Blackdown CloseSemi-detached · 4 bed · 1,076 sq ftSold May 2026 for £510k£451,000#9
- 18 Blackdown CloseSemi-detachedSold Sept 2023 for £460k£448,000#10
- 46 Blackdown CloseTerracedSold May 2006 for £214k£445,000#11
- 2 Blackdown CloseTerracedSold May 2007 for £235k£443,000#12
- 86 Blackdown CloseSemi-detachedSold Dec 2005 for £208k£436,000#13
- 44 Blackdown CloseSemi-detachedSold Sept 2016 for £348k£434,000#14
- 4 Blackdown CloseTerracedSold Aug 2006 for £210k£425,000#15
- 20 Blackdown CloseSemi-detachedSold Jul 2017 for £360k£422,000#16
- 8 Blackdown CloseSemi-detachedSold Oct 2000 for £114k£416,000#17
- 26 Blackdown Close Great Ashby StevenageSemi-detachedSold Apr 2021 for £365k£416,000#18
- 66 Blackdown CloseTerracedSold Jun 2001 for £106k£409,000#19
- 52 Blackdown CloseSemi-detachedSold Jun 2020 for £335k£400,000#20
- 50 Blackdown CloseSemi-detached · 3 bed · 818 sq ftSold May 2026 for £435k£398,000#21
- 84 Blackdown CloseSemi-detachedSold Mar 2025 for £385k£391,000#22
- 6 Blackdown CloseTerracedSold Jul 2007 for £200k£377,000#23
- 42 Blackdown CloseTerracedSold Mar 2006 for £178k£371,000#24
- 54 Blackdown CloseTerracedSold Aug 2018 for £305k£362,000#25
- 12 Blackdown Close (this home)TerracedSold Sept 2004 for £167k£355,000#26
- 10 Blackdown CloseTerracedSold Aug 2021 for £330k£351,000#27
- 82 Blackdown CloseTerracedSold Feb 2020 for £283k£341,000#28
- 16 Blackdown CloseTerracedSold Apr 2018 for £285k£340,000#29
- 72 Blackdown CloseTerracedSold Sept 2010 for £176k£340,000#30
- 74 Blackdown CloseTerracedSold Nov 2016 for £275k£340,000#31
- 24 Blackdown CloseSemi-detachedSold Jun 2016 for £270k£338,000#32
- 60 Blackdown CloseTerracedSold May 2024 for £330k£338,000#33
- 68 Blackdown CloseTerracedSold Mar 2015 for £213k£337,000#34
- 34 Blackdown CloseSemi-detachedSold Sept 2023 for £345k£336,000#35
- 70 Blackdown CloseTerraced · 2 bed · 678 sq ftSold Jul 2010 for £176k£330,000#36
- 78 Blackdown CloseSemi-detachedSold Apr 2006 for £158k£327,000#37
- 80 Blackdown CloseTerracedSold Dec 2019 for £267k£325,000#38
- 14 Blackdown CloseTerracedSold Apr 2021 for £285k£322,000#39
- 38 Blackdown CloseTerracedSold Mar 2020 for £270k£321,000#40
- 36 Blackdown CloseTerracedSold Mar 2006 for £154k£320,000#41
- 62 Blackdown CloseTerracedSold Apr 2016 for £245k£319,000#42
- 40 Blackdown CloseTerracedSold Feb 2010 for £157k£317,000#43
- 76 Blackdown CloseTerracedSold Aug 2010 for £145k£282,000#44
- 64 Blackdown CloseTerracedSold Jul 2019 for £210k£252,000#45
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 |
|---|---|---|---|---|---|
| 16 The ChilternsSG1 6AZ · Terraced | £340,000 | May 2026 | 721 sq ft | £471 | 0.1 mi |
| 11 Cleveland WaySG1 6BH · Terraced | £375,000 | Jun 2026 | 764 sq ft | £491 | 0.1 mi |
| 12 Grampian PlaceSG1 6DR · Terraced | £345,000 | Nov 2025 | 689 sq ft | £501 | 0.1 mi |
| 35 Whitehorse LaneSG1 6NJ · Terraced | £375,000 | Oct 2025 | 710 sq ft | £528 | 0.1 mi |
| 22 Knott CloseSG1 6NP · Terraced | £315,000 | Jan 2026 | 624 sq ft | £505 | 0.1 mi |
| 24 Fairfield CrescentSG1 6GF · Terraced | £330,000 | Jul 2026 | 797 sq ft | £414 | 0.2 mi |
| 119 Fairfield WaySG1 6BG · Terraced | £345,000 | Nov 2025 | 646 sq ft | £534 | 0.2 mi |
| 6 Grampian PlaceSG1 6DR · Terraced | £331,100 | Oct 2025 | 764 sq ft | £433 | 0.1 mi |
| 8 Foyle CloseSG1 6BQ · Terraced | £315,000 | Jul 2026 | 570 sq ft | £552 | 0.2 mi |
| 85 Fairfield WaySG1 6BG · Terraced | £315,000 | Nov 2025 | 635 sq ft | £496 | 0.2 mi |
| 89 Cleveland WaySG1 6BH · Terraced | £330,000 | Mar 2025 | 657 sq ft | £503 | 0.1 mi |
| 54 The BeaconsSG1 6EA · Terraced | £332,000 | Jun 2025 | 700 sq ft | £475 | 0.1 mi |
What buyers have paid in SG1
Completed sales in the last 12 months, against the 12 months before
| Type | Sales | Average price | Average size | Per sq ft | On the year |
|---|---|---|---|---|---|
| All homes | 338 | £366,129 | 962 sq ft | £377 | −2.3% |
| Flats | 67 | £199,734 | 611 sq ft | £324 | +7.5% |
| Terraced | 159 | £338,821 | 941 sq ft | £376 | −1.9% |
| Semi-detached | 62 | £451,748 | 1,071 sq ft | £425 | +4.2% |
| Detached | 41 | £603,285 | 1,484 sq ft | £416 | −1.0% |
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 June 2022.
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