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Get started21 First Avenue is a two-bedroom detached house in Farlington, Portsmouth, Portsmouth (PO6 1JL). It has a recorded floor area of 108 m² (around 1163 sq ft), construction records dating it to 1930-1949 and council tax band D. There is a swimming pool on the plot, uncommon for the area. Other recorded features include a conservatory. The latest certificate (September 2017) shows a C (score 73). When first surveyed in July 2010 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Good and window efficiency went from Average to Good; while lighting dropped from Very Good to Good. The recommended improvements would push it to B (score 85).
Held since December 2010 — that's 15 years off the open market, well above the local norm. Across the public record there are 4 sales, relatively high churn for a single property. Sale prices here have outpaced Portsmouth HPI: 4.2% per year against 0% for the wider region. Today's modelled estimate of £395,000 sits 79.5% above the 2010 sale of £220,000. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). 3 planning records sit against the property, 1 approved, 0 refused.
21 First Avenue has been extended on multiple sides of the property across separate planning applications.
Extension: Single storey · Rear of property
Construction of single storey rear extension
21 First Avenue saw 4 transfers in just over a decade — high turnover for the postcode.
£395,000
Modelled from EPC, postcode comparables and a sale-price growth of 4.2% per year over 8 years.
£220,000
Growth on file: 4.2% per year over 8 years.
EPC Rating for 21 First Avenue runs comfortably ahead of the street norm.
Price per m²
£2,037
Street avg £3,137
Floor Area
108 m²
Street avg 111 m²
Habitable Rooms
5 rooms
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Waterworks Road — bus stop.

Daytime· 07:00 – 23:00
54.0dB

Changes detected from historical EPC data
Heating controls upgraded for better temperature management
Window efficiency improved
Cavity wall insulation installed
Low energy lighting percentage decreased
Are we missing something? Tell us about home improvements to help adjust your valuation.
Application for non-material amendment to planning permission 11/00683/HOU
1 more application for this property
Join to see all planning history.
15 December 2010Most recent
£220,000
+0.9%over 3 years12 January 2007
£218,000
+11.8%over 2 years17 May 2004
£195,000
+23.4%over 1 year20 December 2002
£158,000
Median price across the last 5 sales in PO6 1JL: £430,000 (2025–2022).
Street avg 6 rooms
CO₂ Emissions
3.0 t/year
Street avg 4.8 t/year
PO6 1NT
Closest school
0.4 km
Solent Infant School. 20 schools nearby.
Night-time· 23:00 – 07:00
44.4dB
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