21 Langbridge Close
SG4 9EL
- Semi-detached
- Freehold
- 4 bedrooms (estimate)
- 1,066 sq ft
- EPC D
What the sales records show
From an older sale: a rough guide£775,000
Range £659,000 to £891,000
Since last sale
+£368,000
+90.4% since Dec 2007, +3.5% a year
Rank in SG4 9EL
11th of 21
Postcode average £791,095
There is no floor area on record, so this is the home's last sale moved from December 2007 to August 2026 by the official UK House Price Index for North Hertfordshire, with the range widened the older the sale. It cannot see condition, layout or recent work, so it is not a valuation.
In short
21 Langbridge Close is a 4 bedroom freehold semi-detached in SG4 of about 1,066 sq ft.
There is no floor area on record, so its last sale has been moved to today by the official price index for North Hertfordshire: £659,000 to £891,000, about £775,000 in the middle.
That makes it the 11th highest of the 21 homes we can compare in SG4 9EL, where the middle figure averages £791,095.
It last sold for £407,000 in December 2007; the price index suggests it has gained about £368,000 since, roughly +3.5% 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
£659,000
Middle
£775,000
Upper end
£891,000
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 Langbridge Close is
21 Langbridge 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 Langbridge Close, lodged 13 May 2016.
Rating now
D62 points
Could reach
C76 points
14 points higher with the improvements below
- Built
- 1930–1949
- Solar panels
- None recorded
What the assessor found
Each part of the home, with the certificate's own energy efficiency rating.
Walls
Solid brick, with internal insulation
GoodRoof
Pitched, 150 mm loft insulation
GoodFloor
Suspended, no insulation (assumed)
Not rated on the certificate
Windows
Fully double glazed
AverageHeating
Boiler and radiators, mains gas
GoodHeating controls
Programmer, TRVs and bypass
AverageHot water
From main system
GoodLighting
Low energy lighting in 89% of fixed outlets
Very goodSecond heating
Room heaters, mains gas
Not rated on the certificate
Estimated running costs
A year, now and after the recommended improvements.
£141 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 (2016), 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 £68 a year
Rating after65D - 2
Upgrade heating controls
Typical cost £350–£450 · saves about £33 a year
Rating after66D - 3
Solar water heating
Typical cost £4,000–£6,000 · saves about £40 a year
Rating after67D - 4
Solar photovoltaic panels, 2.5 kWp
Typical cost £5,000–£8,000 · saves about £281 a year
Rating after76C
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 |
|---|---|---|---|
| December 2007 | £407,000 | +62.8% | +46.9% |
| August 2006 | £250,000 | First sale | – |
Nearby
Neighbours and the sales behind the figure
Homes in SG4 9EL
Ranked by what comparable sales show. Choose one to see its page.
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 |
|---|---|---|---|---|---|
| 13 Langbridge CloseSG4 9EL · Semi-detached | £1,000,000 | Sept 2025 | – | – | < 0.1 mi |
| 24 Blackhorse LaneSG4 9EG · Semi-detached | £600,000 | Mar 2025 | – | – | < 0.1 mi |
| 184 Whitehill RoadSG4 9HY · Semi-detached | £550,000 | Aug 2026 | – | – | 0.3 mi |
| 8 Traherne CloseSG4 9DS · Semi-detached | £535,000 | Oct 2025 | – | – | 0.3 mi |
| 16 Stevenage RoadSG4 9DL · Semi-detached | £559,500 | Mar 2025 | – | – | 0.3 mi |
| 19 BroadmeadSG4 9LU · Semi-detached | £490,000 | Nov 2025 | – | – | 0.3 mi |
| 8 BroadmeadSG4 9LU · Semi-detached | £675,000 | Aug 2025 | – | – | 0.3 mi |
| 21 BroadmeadSG4 9LU · Semi-detached | £675,000 | Mar 2025 | – | – | 0.3 mi |
| 19 Lindsay AvenueSG4 9JA · Semi-detached | £490,000 | Jul 2026 | – | – | 0.3 mi |
| 10 Lindsay AvenueSG4 9JA · Semi-detached | £540,000 | Mar 2026 | – | – | 0.3 mi |
| 18 Lindsay AvenueSG4 9JA · Semi-detached | £560,000 | Feb 2026 | – | – | 0.3 mi |
| 29 Lindsay AvenueSG4 9JA · Semi-detached | £540,000 | Feb 2026 | – | – | 0.3 mi |
The area
SG4 at a glance
What buyers have paid in SG4
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 | 297 | £533,366 | – | – | −6.9% |
| Flats | 62 | £239,970 | – | – | −7.1% |
| Terraced | 74 | £404,969 | – | – | −2.2% |
| Semi-detached | 87 | £531,577 | – | – | −8.8% |
| Detached | 64 | £933,319 | – | – | +7.2% |
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.
Contains HM Land Registry UK House Price Index data © Crown copyright. Licensed under the Open Government Licence v3.0.
Floor area and energy rating from the energy certificate of May 2016.
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