Heron House 1a, Flat 3, Cottage Grove, Surbiton, KT6 4JH
About Heron House 1a
Heron House 1a is an end-of-terrace house in Surbiton (KT6 4JH). It has a recorded floor area of 79 m² (around 850 sq ft) and construction records dating it to 1976-1982. The latest certificate (January 2019) shows a D (score 58), a step below the typical UK home. The rating has held steady at D across 2 certificates since January 2009. Between certificates, lighting went from Good to Very Good and main heating went from Poor to Average; while wall efficiency dropped from Good to Average and hot-water efficiency dropped from Average to Poor. The recommended improvements would push it to C (score 72). Main heating runs on electricity. At 79 m² this is the 9th 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 across 10 units on file.
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
EPC Rating
Property Improvements
Changes detected from historical EPC data
Hot water efficiency decreased
More low energy lighting installed
Ventilation system changed
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.
£215,000
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
CO₂ Emissions for Heron House 1a lags the street by a wide margin.
EPC Rating
58 (D)
Street avg 67 (D)
Floor Area
79 m²
Street avg 62 m²
CO₂ Emissions
5.3 t/year
Street avg 3.4 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