12g, Grove Road, Surbiton, KT6 4BZ
About 12g
12g is a one-bedroom semi-detached house in Surbiton (KT6 4BZ). It has a recorded floor area of 46 m² (around 495 sq ft), construction records dating it to 1900-1929 and council tax band C. The latest certificate (October 2020) shows a D (score 67), on the cusp of jumping into the C band. The rating has held steady at D across 2 certificates since June 2010. Between certificates, lighting went from Very Poor to Very Good. The recommended improvements would push it to C (score 77). At 46 m² this is the 6th smallest of 24 units on EPC record in the building, where floor areas span 37–167 m². The building's EPC ratings span F to C across 24 units on file.
Most recent transfer was March 2025 at £350,000 — fresh data. Across the public record there are 6 sales, relatively high churn for a single property. At 46 m² it sits well below the postcode median (67 m² across 23 EPCs), making it one of the more compact homes locally. Across 2001–2025, sale prices on this property compounded at 7.5% per year. On a £-per-square-foot basis, the last sale (£707/sq ft) was about 117.4% above the typical sold price in the postcode.
Know exactly what you're buying at 12g
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
What this property has
Inside
- Bedrooms1
- Bathrooms1
Outside
- ParkingAllocated
Building
- Heating systemGas
- ConciergeYes
- RefurbishedYes
Energy performance
EPC Rating
Property Improvements
Changes detected from historical EPC data
More low energy lighting installed
Planning history
12g has no planning applications on record.
Notable planning nearby
4applications of note in the surrounding area
We flagged 1 thing worth checking at 12g
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
Price for 12g has grown more than fourfold since the 2001 starting point.
£339,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.5% per year over 23 years.
£350,000
Growth on file: 7.5% per year over 23 years.
Sales timeline
20 March 2025Most recent
£350,000
+58.4%over 13 years7 July 2011
£221,000
+0.7%over 4 years10 November 2006
£219,500
+10.3%over 2 years1 September 2004
£199,000
-67.0%over 2 years18 December 2001
£603,000
+827.7%23 November 2001
£65,000
Median price across the last 5 sales in KT6 4BZ: £510,000 (2025–2022).
Nearby sales in KT6 4BZ
Everything we know about 12g, 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 Grove Road homes
Years Held for 12g lags the street by a wide margin.
Price per m²
£7,609
Street avg £4,264
Floor Area
46 m²
Street avg 60 m²
Habitable Rooms
2 rooms
Street avg 3 rooms
CO₂ Emissions
2.1 t/year
Street avg 3.1 t/year
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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
0.2 km
Cleaveland Road — bus stop.
Closest school
0.2 km
Maple Infants' School. 37 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
54.1dB
Night-time· 23:00 – 07:00
45.1dB