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21 St. Johns RoadHouse Prices / London, Hounslow, St. Johns Road, TW7 6NB
Last updated Jun 2026
Key Building Insights
21 St. Johns Road is a residential building situated on St. Johns Road, Isleworth, TW7 with 2 addresses.
It ranks as the 89th largest and 60th most expensive of the 564 buildings in the TW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 2 properties: 2 flats.
2
Properties
- Flats
Key Building Insights
21 St. Johns Road is a residential building situated on St. Johns Road, Isleworth, TW7 with 2 addresses.
It ranks as the 89th largest and 60th most expensive of the 564 buildings in the TW7 area. The dominant property type is a period flat built between 1800 and 1911.
The building contains a total of 2 properties: 2 flats.
2
Properties
- Flats
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House Pricesin 21 St. Johns Road
Sale prices range from £216,848 for 1 bedroom leasehold flats (430 ft2) to £267,538 for 2 bedroom leasehold flats with a garden (592 ft2) .
Monthly rental prices range from £1,124 pcm for 1 bed flats to £1,400 pcm for 2 bed flats.
The gross rental yield is between 6.2% and 6.3%.
The average value per square foot is £478.
Average Sale Value
£242,193
Average Rental Value
£1,262 pcm
Average Rental Yield
6.3% /year
Average Value Per Sqft
£478 /ft2
Sales Market Trendsin 21 St. Johns Road
The current average value in the building is £242,193.
The 21 St. Johns Road Sales Market has decreased by 5.3% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | -2.2% | £242,193 |
| May 2025 | -1.7% | £247,567 |
| May 2024 | -0.1% | £251,807 |
| May 2023 | -2.1% | £252,042 |
| May 2022 | 2.2% | £257,448 |
| May 2021 | 3.2% | £251,823 |
| May 2020 | 1.1% | £243,980 |
| May 2019 | -4.6% | £241,358 |
| May 2018 | -1% | £253,036 |
| May 2017 | 0% | £255,657 |
| May 2016 | 11.8% | £255,739 |
| May 2015 | 8.5% | £228,788 |
| May 2014 | 19.3% | £210,774 |
| May 2013 | 3.3% | £176,741 |
| May 2012 | 3.2% | £171,017 |
| May 2011 | -0.1% | £165,696 |
| May 2010 | 11.4% | £165,889 |
| May 2009 | -16.9% | £148,970 |
| May 2008 | 3.2% | £179,225 |
| May 2007 | 0% | £173,600 |
Rental Market Trendsin 21 St. Johns Road
The current average rental value in the building is £1,262.
The 21 St. Johns Road Rental Market has increased by 29.7% over the last 10 years.
| Period | Year on Year | Average Price |
|---|---|---|
| May 2026 | 2.5% | £1,262pcm |
| May 2025 | 1.5% | £1,231pcm |
| May 2024 | 9.1% | £1,213pcm |
| May 2023 | 11.9% | £1,112pcm |
| May 2022 | 6.4% | £994pcm |
| May 2021 | -2.1% | £934pcm |
| May 2020 | 3.2% | £954pcm |
| May 2019 | 0.4% | £924pcm |
| May 2018 | -2.7% | £921pcm |
| May 2017 | -2.7% | £947pcm |
| May 2016 | 3.2% | £973pcm |
| May 2015 | 4.8% | £942pcm |
| May 2014 | 3.7% | £899pcm |
| May 2013 | 2.7% | £867pcm |
| May 2012 | 4.8% | £844pcm |
| May 2011 | 3.3% | £805pcm |
| May 2010 | 4.2% | £779pcm |
| May 2009 | -5.3% | £748pcm |
| May 2008 | 7.2% | £790pcm |
| May 2007 | 0% | £737pcm |
Explore Propertiesin 21, St. Johns Road, Isleworth, TW7 6NB
Property Typesin 21 St. Johns Road
- 2 period flats built between 1800 and 1911
- period flat (2)
Energy Efficiencyof properties in 21 St. Johns Road
- Energy Performance Certificate (EPC) surveys conducted for 2 properties.
- The dominant rating is D.
- A (0)
- E (1)
- B (0)
- F (0)
- C (0)
- G (0)
- D (1)
- No EPC (0)
Top 3 Most Expensive Saleson St. Johns Road, Isleworth, TW7
- Sold Jul 2020£10,440,000 | 1 Bed FlatCoomb House 7, St. Johns RoadFlat 2, Coomb House 7, St. Johns Road, Isleworth, TW7 6NH
- Sold Jan 2019£3,950,000 | 1 Bed FlatCoomb House 7, St. Johns RoadFlat 2, Coomb House 7, St. Johns Road, Isleworth, TW7 6NH
- Sold Jan 2017£950,000 | 5 Bed HouseSt. Johns RoadSt. John Lodge, St. Johns Road, Isleworth, TW7 6NY
Schools Nearby
The nearest primary school to 21, St. Johns Road, Isleworth, TW7 6NB is Isleworth Town Primary School, which is 600 metres away.
- 600mIsleworth Town Primary School
- 700mSpring Grove Primary School
- 800mThe Smallberry Green Primary School
The nearest secondary school is Gumley House RC Convent School, FCJ, which is 800 metres away.
- 800mGumley House RC Convent School, FCJ
- 800mIsleworth and Syon School for Boys
- 1.1kmThe Green School for Girls
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Public Transport Nearby
The closest station to 21, St. Johns Road, Isleworth, TW7 6NB is Isleworth station, which is 200 metres away.
- 200mIsleworth
- 1.2kmOsterley
- 1.3kmSyon Lane
- 1.3kmHounslow East
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