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Get started17 Harrowdene Gardens is a one-bedroom detached house in Teddington (TW11 0DH). It has a recorded floor area of 44 m² (around 474 sq ft), construction records dating it to 1976-1982 and council tax band C. At 44 m² this is the 7th smallest of 30 units on EPC record in the building, where floor areas span 42–87 m². The building's EPC ratings span E to C, with this unit at the top. Other recorded features include a loft. The latest certificate (October 2023) shows a C (score 69), just inside the C band. When first surveyed in October 2013 the rating was D, the property has climbed 1 band since. Between certificates, wall efficiency went from Poor to Average and lighting went from Poor to Very Good; while roof efficiency dropped from Average to Poor and window efficiency dropped from Good to Average.
Sale prices here have outpaced England HPI: 7.6% per year against 0% for the wider region. On a £-per-square-foot basis, the last sale (£718/sq ft) was about 95.5% above the typical sold price in the postcode. At 44 m² it sits well below the postcode median (69 m² across 29 EPCs), making it one of the more compact homes locally. Last sale on file: £340,000 in September 2018.
17 Harrowdene Gardens saw 3 transfers in just over a decade — high turnover for the postcode.
£329,000
Modelled from EPC, postcode comparables and a sale-price growth of 7.6% per year over 5 years.
£340,000
Growth on file: 7.6% per year over 5 years.
On price per m², 17 Harrowdene Gardens stands well clear of the street.
Price per m²
£7,727
Street avg £4,854
Floor Area
44 m²
Street avg 65 m²
Habitable Rooms
2 rooms
Rail-style transport is unusually close for this postcode.
Crime
4/mo
Steady year-on-year across the wider district.
Nearest stop
0.1 km
Shaef Way — bus stop.

Daytime· 07:00 – 23:00
49.1dB

Changes detected from historical EPC data
Wall insulation upgraded
More low energy lighting installed
Are we missing something? Tell us about home improvements to help adjust your valuation.
6 September 2018Most recent
£340,000
-8.1%over 3 years15 September 2014
£370,000
+51.6%over 7 months21 February 2014
£244,000
Median price across the last 5 sales in TW11 0DH: £480,000 (2025–2022).
Street avg 3 rooms
CO₂ Emissions
1.8 t/year
Street avg 2.8 t/year
TW11 0EE
Closest school
0.2 km
Collis Primary School. 32 schools nearby.
Night-time· 23:00 – 07:00
40.9dB
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