21a, High Street, Overton, Basingstoke, RG25 3HB
About 21a
21a is a detached house in Overton, Basingstoke, Basingstoke (RG25 3HB). It has a recorded floor area of 48 m² (around 517 sq ft) and construction records dating it to 2003-2006. The latest certificate (February 2018) shows a D (score 58), a step below the typical UK home. Earlier certificates rated it C (May 2011); the latest reading is one band lower. Between certificates, lighting went from Good to Very Good; while hot-water efficiency dropped from Good to Poor and main heating dropped from Good to Very Poor. The recommended improvements would push it to C (score 78). Main heating runs on electricity.
At 48 m² it sits well below the postcode median (111 m² across 11 EPCs), making it one of the more compact homes locally. 2 planning records sit against the property, 2 approved, 0 refused.
Know exactly what you're buying at 21a
Before you offer, see what the listing won't tell you, the true value, the red flags and the full history.
Already flagged here
Valuation
against the asking price
Risks
planning & flood
Sold prices
similar homes nearby
Trends
the local market
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water efficiency decreased
Cavity wall insulation installed
Connected to mains gas supply
Heating controls changed
Hot water efficiency improved
Windows upgraded, improving insulation
Low energy lighting percentage decreased
Changed to a more efficient fuel source
Heating controls upgraded for better temperature management
Hot water system changed
Window efficiency improved
Roof insulation improved
Floor insulation added or improved
More low energy lighting installed
Planning history
- Dec 2018AdvertisingIn report
Regularisation of 1 no. non-illuminated fascia sign and 1 no. non-internally illuminated barber's pole.
- Documents
- 15 docs on file
- Reference
- 17/00051/ADV
- Aug 2003Change Of UseAmendmentIn report
Change of use from class A1 (retail) to class A1 and A3 (mixed use retail and coffee shop) (Retrospective)
Retrospective- Documents
- 5 docs on file
- Reference
- BDB/56194
We flagged 1 thing worth checking at 21a
Independent checks surfaced things a buyer would want to understand before offering. The report explains each one in full, with the underlying data and what to ask.
- Larger development activity nearby
30-day money-back guarantee
Sales history & valuation
21a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£285,000
Modelled from EPC, postcode comparables.
No sales recorded with HM Land Registry
That can mean the property has never traded since the registry began publishing in 1995, was a new build that hasn't been registered yet, or is held in the same hands long-term.
Median price across the last 5 sales in RG25 3HB: £260,000 (2023–2019).
Nearby sales in RG25 3HB
15 High Street, Overton, Basingstoke, RG25 3HB
Sold Nov 2023
£260,0007 High Street, Overton, Basingstoke, RG25 3HB
Sold Jul 2023
£310,00017a, High Street, Overton, Basingstoke, RG25 3HB
Sold Dec 2022
£160,00029 High Street, Overton, Basingstoke, RG25 3HB
Sold Nov 2020
£408,50021b, High Street, Overton, Basingstoke, RG25 3HB
Sold Mar 2016
£275,000
Everything we know about 21a, in one report
What it's really worth, what could be wrong, and the planning, sales and area data in full.
What we flagged
- Larger development activity nearby

Versus other High Street homes
21a is notably below the street on epc rating.
EPC Rating
58 (D)
Street avg 62 (D)
Floor Area
48 m²
Street avg 119 m²
CO₂ Emissions
3.2 t/year
Street avg 5.2 t/year
Habitable Rooms
2 rooms
Street avg 5 rooms
Similar properties nearby
1 3, High Street, Overton
RG25 3HB
1 Charledown Road, Overton
RG25 3LL
1 Crawts Road, Overton
RG25 3LN
1 Berrydown Lane, Overton
RG25 3AB
1 Charledown Close, Overton
RG25 3LW
1 Deane Cottages, Deane
RG25 3AT
1 Dallence House, Poultons Close, Overton
RG25 3LX
1 Elm Piece Houses, Sprents Lane, Overton
RG25 3HU
The neighbourhood at a glance
Reported crime in the wider district is trending notably upward year-on-year.
Crime
6/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Library — bus stop.
Closest school
0.6 km
Overton Church of England Primary School. 1 school nearby.
Go deeper on the local area
The full report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
50.1dB

Night-time· 23:00 – 07:00
39.7dB