1b, Copsey Grove, Drayton, Portsmouth, PO6 1NA
About 1b
1b is a semi-detached house in Drayton, Portsmouth, Portsmouth (PO6 1NA). It has a recorded floor area of 76 m² (around 818 sq ft), construction records dating it to 1950-1966 and council tax band C. The latest certificate (January 2017) shows an E (score 52), well below the UK norm with real room to improve. Earlier certificates rated it D (June 2013); the latest reading is one band lower. Between certificates, lighting dropped from Very Good to Poor. The recommended improvements would lift it to C (score 77), a 2-band jump.
On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. Across 1998–2017, sale prices on this property compounded at 4.3% per year. Today's modelled estimate of £292,000 sits 95.3% above the 2017 sale of £149,500. Last sold in September 2017, so it's been off the market for around 9 years. One historical planning record sits against the property in 2017.
Energy performance
1b sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
EPC Rating
Certificate validity
Valid until 12 January 2027
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
Hot water system upgraded
Low energy lighting percentage decreased
Solar water heating installed
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Planning history
1 application on record at 1b, Copsey Grove, Drayton, Portsmouth, PO6 1NA
- Aug 2017ExtensionFullOutcome in report
Extension: Single storey · Side and rear of property
Construction of side and rear single storey extension
- Documents
- 3 docs on file
- Reference
- 17/00952/HOU
Unlock 1b, Copsey Grove, Drayton, Portsmouth, PO6 1NA's full planning history
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- Every decision — granted, refused or withdrawn (1 on record)
- All 1 application on this property in full, plus 4 notable nearby
- The 3 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
1b has more than doubled in price since the earliest registered sale in 1998.
£292,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.3% per year over 20 years.
£149,500
Growth on file: 4.3% per year over 20 years.
Sales timeline
13 September 2017Most recent
£149,500
+5.3%over 14 years22 November 2002
£141,995
+115.1%over 4 years27 February 1998
£66,000
Median price across the last 5 sales in PO6 1NA: £317,000 (2026–2022).
Nearby sales in PO6 1NA
51 Copsey Grove, Drayton, Portsmouth, PO6 1NA
Sold May 2026
£325,00013 Copsey Grove, Drayton, Portsmouth, PO6 1NA
Sold Oct 2025
£365,00059 Copsey Grove, Drayton, Portsmouth, PO6 1NA
Sold Jul 2025
£299,00067 Copsey Grove, Drayton, Portsmouth, PO6 1NA
Sold Oct 2022
£317,00011 Copsey Grove, Drayton, Portsmouth, PO6 1NA
Sold Jan 2022
£327,000
Versus other Copsey Grove homes
EPC Rating for 1b lags the street by a wide margin.
Price per m²
£1,967
Street avg £2,659
Floor Area
76 m²
Street avg 88 m²
Habitable Rooms
4 rooms
Street avg 5 rooms
CO₂ Emissions
4.5 t/year
Street avg 2.9 t/year
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The neighbourhood at a glance
Crime
260/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
South Road — bus stop.
Closest school
0.3 km
Solent Junior School. 20 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
53.3dB

Night-time· 23:00 – 07:00
43.6dB







