20 Chestnut Close
CM23 3SY
- Bungalow
- 1 bedroom (estimate)
- 420 sq ft
- EPC C
What comparable sales show
Not enough completed sales of similar homes nearby to show a figure yet. Local agents can value it from its details and photos.
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
20 Chestnut Close is a 1 bedroom bungalow in CM23 of about 420 sq ft.
Across East Hertfordshire, average prices rose 1.9% in the year to August 2026.
On the map
Where 20 Chestnut Close is
20 Chestnut 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 20 Chestnut Close, lodged 18 September 2018.
Rating now
C69 points
Could reach
B90 points
21 points higher with the improvements below
- Built
- 1950–1966
- 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, 270 mm loft insulation
GoodFloor
Solid, no insulation (assumed)
Not rated on the certificate
Windows
Fully double glazed
AverageHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, room thermostat and TRVs
GoodHot water
From main system
GoodLighting
Low energy lighting in 33% of fixed outlets
Average
Estimated running costs
A year, now and after the recommended improvements.
£80 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 (2018), 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 (solid floor)
Typical cost £4,000–£6,000 · saves about £38 a year
Rating after71C - 2
Low energy lighting for all fixed outlets
Typical cost £20 · saves about £18 a year
Rating after72C - 3
Solar water heating
Typical cost £4,000–£6,000 · saves about £23 a year
Rating after74C - 4
Solar photovoltaic panels, 2.5 kWp
Typical cost £5,000–£8,000 · saves about £303 a year
Rating after90B
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
No sale of this home has been registered since 1995.
Nearby
Neighbours and the sales behind the figure
Homes in CM23 3SY
Ranked by what comparable sales show. Choose one to see its page.
The area
CM23 at a glance
What buyers have paid in CM23
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 | 415 | £468,163 | – | – | −7.6% |
| Flats | 77 | £246,629 | – | – | −3.5% |
| Terraced | 109 | £378,288 | – | – | −2.2% |
| Semi-detached | 120 | £469,062 | – | – | −2.5% |
| Detached | 104 | £714,585 | – | – | +3.3% |
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 September 2018.
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