12 Windmill Avenue
AL4 9TF
- Semi-detached
- Freehold
What the sales records show
From an older sale: a rough guide£835,000
Range £710,000 to £960,000
Since last sale
+£494,000
+144.9% since Dec 2004, +4.2% a year
Rank in AL4 9TF
3rd of 22
Postcode average £734,591
There is no floor area on record, so this is the home's last sale moved from December 2004 to August 2026 by the official UK House Price Index for St Albans, with the range widened the older the sale. It cannot see condition, layout or recent work, so it is not a valuation.
In short
12 Windmill Avenue is a freehold semi-detached in AL4.
There is no floor area on record, so its last sale has been moved to today by the official price index for St Albans: £710,000 to £960,000, about £835,000 in the middle.
That makes it the 3rd highest of the 22 homes we can compare in AL4 9TF, where the middle figure averages £734,591.
It last sold for £341,000 in December 2004; the price index suggests it has gained about £494,000 since, roughly +4.2% a year.
Across St Albans, average prices rose 3.2% 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
£710,000
Middle
£835,000
Upper end
£960,000
Done work since the records were made? Claim your home and tell us, or ask local agents where yours sits.
Windmill Avenue at a glance
Completed sales on the road in the last two years
Sales
6
Average price
£764k
Average size
1,154 sq ft
Per sq ft
£621
Price range
£425k to £1.02m
Sale history
Every sale of this home registered with HM Land Registry since 1995
| Sold | Price paid | Change | A year |
|---|---|---|---|
| December 2004 | £341,000 | +55.0% | +18.0% |
| April 2002 | £220,000 | First sale | – |
Homes in AL4 9TF
Ranked by what comparable sales show. Choose one to see its page.
- 2 Windmill AvenueSemi-detached · 4 bed · 1,539 sq ftSold Dec 2024 for £850k£982,000#1
- 6 Windmill AvenueSemi-detachedSold Apr 2023 for £790k£874,000#2
- 12 Windmill Avenue (this home)Semi-detachedSold Dec 2004 for £341k£835,000#3
- 48 Windmill AvenueSemi-detachedSold Apr 2022 for £755k£834,000#4
- 20 Windmill AvenueSemi-detachedSold Oct 2018 for £660k£810,000#5
- 10 Windmill AvenueSemi-detachedSold Aug 2010 for £420k£809,000#6
- 60 Windmill AvenueSemi-detachedSold Mar 2010 for £395k£801,000#7
- 44 Windmill AvenueTerracedSold Aug 2019 for £625k£781,000#8
- 46 Windmill AvenueSemi-detachedSold Oct 1998 for £151k£770,000#9
- 52 Windmill AvenueSemi-detached · 4 bed · 1,076 sq ftSold Feb 2025 for £685k£745,000#10
- 16 Windmill AvenueSemi-detachedSold Feb 2024 for £680k£734,000#11
- 40 Windmill AvenueSemi-detachedSold Nov 2007 for £370k£728,000#12
- 22a Windmill AvenueDetachedSold Mar 2023 for £665k£702,000#13
- 38 Windmill AvenueSemi-detachedSold Feb 2006 for £285k£677,000#14
- 42 Windmill AvenueSemi-detachedSold Feb 2018 for £557k£666,000#15
- 14 Windmill AvenueSemi-detachedSold Nov 2016 for £525k£659,000#16
- 54 Windmill AvenueSemi-detachedSold Nov 2008 for £295k£658,000#17
- 50 Windmill AvenueSemi-detachedSold Feb 2015 for £445k£657,000#18
- 26 Windmill AvenueSemi-detachedSold Sept 2007 for £326k£643,000#19
- 18 Windmill AvenueSemi-detachedSold Nov 2015 for £460k£622,000#20
- 22 Windmill AvenueSemi-detachedSold Dec 2019 for £480k£595,000#21
- 34 Windmill AvenueSemi-detachedSold Apr 2006 for £247k£579,000#22
- 36 Windmill Avenue–
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 |
|---|---|---|---|---|---|
| 52 Windmill AvenueAL4 9TF · Semi-detached | £685,000 | Feb 2025 | 1,076 sq ft | £636 | < 0.1 mi |
| 2 Windmill AvenueAL4 9TF · Semi-detached | £850,000 | Dec 2024 | 1,539 sq ft | £552 | < 0.1 mi |
| 9 HarvestersAL4 9QU · Semi-detached | £535,000 | Aug 2025 | 861 sq ft | £621 | 0.1 mi |
| 10 Meadow CloseAL4 9TG · Semi-detached | £1,482,000 | Jul 2026 | 2,476 sq ft | £599 | 0.1 mi |
| 16 Chiltern RoadAL4 9TE · Semi-detached | £625,000 | May 2025 | 721 sq ft | £867 | 0.1 mi |
| 190 The RidgewayAL4 9XJ · Semi-detached | £856,000 | Oct 2025 | 1,023 sq ft | £837 | 0.1 mi |
| 202 The RidgewayAL4 9XJ · Semi-detached | £1,360,000 | Jul 2025 | 2,024 sq ft | £672 | 0.1 mi |
| 2 Milford CloseAL4 9AQ · Semi-detached | £310,000 | Mar 2026 | 463 sq ft | £670 | 0.1 mi |
| 117 The RidgewayAL4 9XA · Semi-detached | £805,000 | May 2025 | 1,012 sq ft | £796 | 0.1 mi |
| 10 Packhorse CloseAL4 9TQ · Semi-detached | £1,275,000 | Dec 2025 | – | – | 0.1 mi |
| 11 Packhorse CloseAL4 9TQ · Semi-detached | £824,000 | Mar 2025 | 1,012 sq ft | £814 | 0.1 mi |
| 12 Tewin CloseAL4 9XL · Semi-detached | £1,415,000 | Jan 2025 | 2,519 sq ft | £562 | 0.2 mi |
What buyers have paid in AL4
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 | 157 | £650,198 | 1,060 sq ft | £639 | −6.3% |
| Flats | 23 | £285,237 | 570 sq ft | £468 | −6.8% |
| Terraced | 41 | £517,331 | 831 sq ft | £640 | −0.5% |
| Semi-detached | 64 | £787,307 | 1,206 sq ft | £675 | −6.7% |
| Detached | 28 | £846,160 | 1,293 sq ft | £660 | −6.5% |
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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