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Get started135 The Avenue is a detached house in Sunbury On Thames (TW16 5EQ). It has a recorded floor area of 27 m² (around 291 sq ft), construction records dating it to 1930-1949 and council tax band G. At 27 m² this is the smallest unit on EPC record across the building (27–209 m²). The building's EPC ratings span E to D, with this unit at the bottom. On EPC score it ranks last in the building (42 versus a best of 68). The latest certificate (December 2025) shows an E (score 42), well below the UK norm with real room to improve. When first surveyed in March 2024 the rating was F, the property has climbed 1 band since. Between certificates, roof efficiency went from Poor to Average. The recommended improvements would lift it to C (score 78), a 2-band jump. Main heating runs on electricity. This certificate was lodged in the last six months, so the rating reflects current condition.
At 27 m² it sits well below the postcode median (187 m² across 5 EPCs), making it one of the more compact homes locally. On energy efficiency it sits in the bottom 10% of properties in this postcode — significant headroom for improvement. 3 planning records sit against the property, 3 approved, 0 refused. Past consents include tree works, meaningful when judging how the property has evolved.
135 The Avenue sits at the bottom of the postcode for energy efficiency — meaningful headroom to improve.
Planning history at 135 The Avenue is exclusively tree-management applications — typical for a property with mature trees on or near the plot.
TPO030SUN/74/T068 - Horse Chestnut - Reducing the height and spread of the tree by up to 2.5 m, reducing the height of the tree from 18m to 15.5m and crown spread from 14m to 11.5m.
135 The Avenue has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£600,000
Modelled from EPC, postcode comparables.
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.
Rail-style transport is unusually close for this postcode.
Crime
3/mo
Steady year-on-year across the wider district.
Nearest stop
0.2 km
Batavia Road — bus stop.

Daytime· 07:00 – 23:00
51.5dB

Changes detected from historical EPC data
Heating controls changed
Loft insulation upgraded to recommended levels
Are we missing something? Tell us about home improvements to help adjust your valuation.
TPO030SUN/T068 - T1 - Horse Chestnut - Crown Reduction in height by up to 2m to leave tree standing at 25m tall and reduce Lateral branches by 2m to leave spread of crown at 15m.
1 more application for this property
Join to see all planning history.
Median price across the last 5 sales in TW16 5EQ: £957,000 (2025–2011).
Closest school
0.3 km
St Paul's Catholic College. 21 schools nearby.
Night-time· 23:00 – 07:00
42.4dB