21 Deva Close
AL3 4JS
- Detached
- Freehold
- 4 bedrooms (estimate)
- 1,507 sq ft
- EPC C
What comparable sales show
Strong match£884,000
Range £778,000 to £990,000 · £587 per sq ft
Since last sale
+£144,000
+19.5% since Jul 2023, +5.5% a year
Rank in AL3 4JS
7th of 13
Postcode average £828,000
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
21 Deva Close is a 4 bedroom freehold detached in AL3 of about 1,507 sq ft.
Comparable completed sales nearby put it at £778,000 to £990,000, about £884,000 in the middle.
That makes it the 7th highest of the 13 homes we can compare in AL3 4JS, where the middle figure averages £828,000.
It last sold for £740,000 in July 2023; comparable sales suggest it has gained about £144,000 since, roughly +5.5% 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
£778,000
Middle
£884,000
Upper end
£990,000
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 Deva Close is
21 Deva 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 21 Deva Close, lodged 24 October 2022.
Rating now
C73 points
Could reach
B84 points
11 points higher with the improvements below
- Built
- 1967–1975
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Cavity wall, filled cavity
AverageRoof
Pitched, 400+ mm loft insulation
Very goodFloor
Suspended, no insulation (assumed)
Not rated on the certificate
Windows
Fully double glazed
GoodHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
Low energy lighting in all fixed outlets
Very good
Estimated running costs
A year, now and after the recommended improvements.
£106 a year less after the improvements
Heating
Hot water
Lighting
The assessor's estimates at the energy prices in use when the certificate was made (2022), for a typical household. Today's bills will differ.
Improvements the certificate recommends
In the certificate's order. Each rating assumes the steps before it are done.
- 1
Floor insulation (suspended floor)
Typical cost £800–£1,200 · saves about £61 a year
Rating after75C - 2
Solar water heating
Typical cost £4,000–£6,000 · saves about £45 a year
Rating after77C - 3
Solar photovoltaic panels, 2.5 kWp
Typical cost £3,500–£5,500 · saves about £351 a year
Rating after84B
Costs and savings are the certificate's own, as estimated when it was made.
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 |
|---|---|---|---|
| July 2023 | £740,000 | +196.0% | +5.0% |
| May 2001 | £249,999 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in AL3 4JS
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 |
|---|---|---|---|---|---|
| 86 WestfieldsAL3 4LZ · Detached | £1,000,000 | Aug 2026 | 1,572 sq ft | £636 | 0.2 mi |
| 149 WestfieldsAL3 4JU · Detached | £824,000 | Mar 2026 | 1,442 sq ft | £571 | 0.1 mi |
| 38 Antonine GateAL3 4JB · Detached | £680,000 | Aug 2026 | 1,335 sq ft | £509 | 0.2 mi |
| 9 Antonine GateAL3 4JA · Detached | £845,000 | Dec 2025 | 1,389 sq ft | £609 | 0.2 mi |
| 5 Lindum PlaceAL3 4JJ · Detached | £715,000 | Oct 2025 | 1,345 sq ft | £531 | 0.1 mi |
| 4 Corinium GateAL3 4HX · Detached | £900,000 | Aug 2025 | 1,593 sq ft | £565 | 0.2 mi |
| 9 The GreenAL3 4GH · Detached | £1,199,995 | Oct 2025 | 1,625 sq ft | £738 | 0.2 mi |
| 11 The GreenAL3 4GH · Detached | £1,175,000 | Sept 2025 | 1,615 sq ft | £728 | 0.2 mi |
| 80 WestfieldsAL3 4LZ · Detached | £880,000 | Mar 2025 | 1,475 sq ft | £597 | 0.2 mi |
| 31 Corinium GateAL3 4HY · Detached | £743,000 | May 2025 | 1,270 sq ft | £585 | 0.1 mi |
| 7 The GreenAL3 4GH · Detached | £1,095,000 | Apr 2025 | 1,658 sq ft | £661 | 0.2 mi |
| 20 Corinium GateAL3 4HX · Detached | £870,500 | Jul 2025 | 1,249 sq ft | £697 | 0.2 mi |
The area
AL3 at a glance
What buyers have paid in AL3
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 | 275 | £681,038 | 1,124 sq ft | £596 | −5.4% |
| Flats | 32 | £333,628 | 651 sq ft | £490 | −7.3% |
| Terraced | 119 | £627,915 | 1,029 sq ft | £624 | −0.9% |
| Semi-detached | 63 | £687,331 | 1,126 sq ft | £603 | −7.7% |
| Detached | 51 | £914,855 | 1,492 sq ft | £606 | −14.0% |
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 October 2022.
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