Heron House 1a, Flat 12, Cottage Grove, Surbiton, KT6 4JH
About Heron House 1a
Heron House 1a is a semi-detached house in Surbiton (KT6 4JH). It has a recorded floor area of 67 m² (around 721 sq ft) and construction records dating it to 1983-1990. At 67 m² this is the 5th smallest of 10 units on EPC record in Heron House 1a, where floor areas span 42–83 m². The building's EPC ratings span E to C, with this unit at the top. The latest certificate (June 2015) shows a C (score 69), just inside the C band. When first surveyed in May 2011 the rating was D, the property has climbed 1 band since. Between certificates, window efficiency went from Poor to Good, hot-water efficiency went from Poor to Average and lighting went from Average to Good. Main heating runs on electricity. The latest certificate is from June 2015, so improvements made since then won't be reflected.
Its energy rating outperforms most of the postcode (better than 83% of similar EPCs).
Know exactly what you're buying at Heron House 1a
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
Heron House 1a's EPC is over a decade old — improvements since won't be reflected.
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 11 Jun 2025
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency improved
Windows upgraded, improving insulation
More low energy lighting installed
Planning history
Heron House 1a has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at Heron House 1a
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
Heron House 1a has no Land Registry sales on file, suggesting it has stayed in the same hands since registration began.
£190,000
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 KT6 4JH: £820,000 (2025–2025).
Nearby sales in KT6 4JH
19 Cottage Grove, Surbiton, KT6 4JH
Sold Nov 2025
£635,00029 Cottage Grove, Surbiton, KT6 4JH
Sold Nov 2025
£820,00020 Cottage Grove, Surbiton, KT6 4JH
Sold May 2025
£875,000Heron House 1a, Flat 1, Cottage Grove, Surbiton, KT6 4JH
Sold Mar 2025
£162,00032 Cottage Grove, Surbiton, KT6 4JH
Sold Mar 2025
£885,000
Everything we know about Heron House 1a, 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 Cottage Grove homes
On habitable rooms, Heron House 1a stands well clear of the street.
EPC Rating
69 (C)
Street avg 66 (D)
Floor Area
67 m²
Street avg 63 m²
CO₂ Emissions
3.5 t/year
Street avg 3.6 t/year
Habitable Rooms
3 rooms
Street avg 3 rooms
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
9/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Surbiton Sainsbury's — bus stop.
Closest school
0.3 km
St Andrew's and St Mark's CofE Junior School. 32 schools 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
53.3dB
Night-time· 23:00 – 07:00
43.9dB