20 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
About 20 Duncombe Court
20 Duncombe Court is a two-bedroom detached house in Staines Upon Thames (TW18 2HE). It has a recorded floor area of 122 m² (around 1313 sq ft), construction records dating it to 1967-1975 and council tax band E. Tenure is freehold. At 122 m² this is the largest unit on EPC record across the building (70–122 m²). The building's EPC ratings span F to B across 20 units on file. Other recorded features include a balcony. The latest certificate (February 2019) shows a D (score 55), a step below the typical UK home. When first surveyed in April 2014 the rating was F, the property has climbed 2 bands since. Between certificates, hot-water efficiency went from Very Poor to Good, lighting went from Good to Very Good and main heating went from Average to Good. The recommended improvements would push it to C (score 77).
At 122 m² the property is well over the postcode median (70 m² across 19 EPCs), placing it in the larger end of the local stock. Last sold in August 2017, so it's been off the market for around 9 years. Today's modelled estimate of £405,000 is 14.1% above the 2017 sale price.
Know exactly what you're buying at 20 Duncombe Court
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
- Bedrooms2
- Bathrooms1
- Open-plan layoutYes
Outside
- GarageDouble
- BalconyYes
Building
- TenureFreehold
- RefurbishedYes
Energy performance
20 Duncombe Court's carbon output runs well above what efficient homes in the postcode produce.
EPC Rating
Property Improvements
Changes detected from historical EPC data
Window efficiency improved
More low energy lighting installed
Replaced storage heaters with gas boiler
Connected to mains gas supply
Heating controls upgraded for better temperature management
Hot water system upgraded
Planning history
20 Duncombe Court has no planning applications on record.
Notable planning nearby
2applications of note in the surrounding area
We flagged 2 things worth checking at 20 Duncombe Court
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
- Environmental risk flagged
30-day money-back guarantee
Sales history & valuation
20 Duncombe Court valuation sits well clear of the typical sold price in this postcode.
£405,000
Modelled from EPC, postcode comparables.
£355,000
Recorded with HM Land Registry.
Sales timeline
20 August 2017Most recent
£355,000
Median price across the last 5 sales in TW18 2HE: £315,000 (2023–2014).
Nearby sales in TW18 2HE
19 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
Sold Sept 2023
£435,00018 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
Sold Jul 2023
£315,0004 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
Sold Sept 2016
£430,00011 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
Sold Mar 2016
£307,5009 Duncombe Court, Thames Side, Staines Upon Thames, TW18 2HE
Sold Jun 2014
£263,000
Everything we know about 20 Duncombe Court, 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
- Environmental risk flagged

Versus other Thames Side homes
20 Duncombe Court outperforms the street on floor area by a wide margin.
Price per m²
£2,910
Street avg £3,835
Floor Area
122 m²
Street avg 72 m²
Habitable Rooms
3 rooms
Street avg 3 rooms
CO₂ Emissions
6.3 t/year
Street avg 4.9 t/year
Similar properties nearby
1 Commercial Road
TW18 2QJ
1 Drake House, Drake Avenue
TW18 2AP
1 Beehive Road
TW18 2AH
1 Farm Road
TW18 2RB
1 Beech Tree Court, Staines Road
TW18 2SX
1 Alice House, Laleham Road
TW18 2GP
1 Cleveland Drive
TW18 2SW
1 Edgell Road
TW18 2EP
The neighbourhood at a glance
Crime
8/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Penton Road — bus stop.
Closest school
0.5 km
Our Lady of the Rosary Primary School. 11 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
50.0dB

Night-time· 23:00 – 07:00
42.6dB