Are you a property professional?Get qualified leads from motivated homeowners.
Get startedExtendedVictorianGround Floor
21b, St Johns Road, Isleworth, TW7 6NB
This 40 square metre property in Isleworth carries an energy performance rating of D, in line with typical UK homes. It is heated by a gas central heating system and is currently listed as owner-occupied.
Property Type
Ground Floor Flat
Bedrooms
1
Floor Area
40 m²
Council Tax
Band C
Property Features
Built Before 1900
Get started
Ready to take the next step? Find the right professionals for your property journey.
Energy Performance
EPC rating and efficiency details
EPC Expired
This certificate is over 10 years old and is no longer valid.Expired 21 Mar 2026
EPC Rating
A
B
C
D
D59
E
F
G
Main Heating
Gas
Main Fuel
Gas
Hot Water
Good
Windows
Very Poor
CO2 Emissions
2.5 t/year
Tenure
Owner Occupied
Price & History
Transactions and market trends
Estimated value
£275,000
How our AI predicts property prices · Accurate to within 10%
Automated estimate only. For an accurate valuation, consult a surveyor or estate agent.
Transaction history
No sales history found
Nearby in TW7 6NB
Flat A 23 St Johns Road Isleworth TW7 6NB
Jun 2022
£520,000
25a St Johns Road Isleworth TW7 6NB
Jun 2022
£221,000
25b St Johns Road Isleworth TW7 6NB
Jun 2022
£200,000
1 Floriston Villas St Johns Road Isleworth TW7 6NB
Jan 2021
£1,000
15a St Johns Road Isleworth TW7 6NB
Apr 2008
£240,000
21a St Johns Road Isleworth TW7 6NB
Aug 2007
£398,000
1 / 2
House Price Index
England+1.5%
101.6
Jan 26
UK HPI from HM Land Registry. Baseline: Jan 2015 = 100.
How This Property Compares on St Johns Road
See how this property stacks up against others nearby
Comparing to 19 other flats on this street
EPC Rating
Government energy efficiency score (1–100)
59 (D)/66 (D) avg
Less efficientMore efficient
More efficient than only 26% of similar properties
Floor Area
Total internal floor space
40 m²/49 m² avg
SmallerLarger
Larger than only 26% of similar properties
CO₂ Emissions
Annual carbon output from heating, hot water & lighting
2.5 t/year/2.2 t/year avg
Higher emissionsLower emissions
Lower emissions than only 37% of similar properties
Habitable Rooms
Living spaces like bedrooms & living rooms
2 rooms/3 rooms avg
FewerMore
More rooms than only 32% of similar properties
Comparisons are based on the most recent EPC data for each property in this postcode. Only similar property types (flats) are compared.
Get alerts for TW7 6NB
New sales, price changes, and market updates in this area
Places to visit
Road Noise
Average road noise levels for this postcode
Daytime
07:00 – 23:00
53.6dB
Low
Night-time
23:00 – 07:00
43.3dB
Low55 dB
60 dB
65 dB
70 dB
75 dB
80 dB
Defra Road Noise Strategic Mapping, Round 4Crime Analysis
10 months of data for Isleworth
Total Crimes
29
Monthly Avg
3
Recent Trend
Stable
Most Common
Violence & Sexual
Crime by Category
Violence & Sexual7(24%)
Vehicle Crime7(24%)
Criminal Damage & Arson5(17%)
Other Theft3(10%)
Public Order2(7%)
Burglary2(7%)
Drugs2(7%)
Other Crime1(3%)
Recent Incidents
Violence & Sexual
Dec 2025On or near Spencer Road
Criminal Damage & Arson
Nov 2025On or near Weston Gardens
Vehicle Crime
Nov 2025On or near Steele Road
Public Order
Nov 2025On or near St Christopher's Close
Vehicle Crime
Nov 2025On or near St Christopher's Close
Violence & Sexual
Nov 2025On or near Van Gogh Close
Data from Police UK • Updated monthly
Local Amenities
Schools and transport links nearby
Nearby Schools
47 within 3kmP
Isleworth Town Primary School
634m
8 mins
P
Spring Grove Primary School
712m
9 mins
P
The Smallberry Green Primary School
755m
9 mins
S
West Thames College
311m
4 mins
S
Gumley House RC Convent School, FCJ
761m
9 mins
S
Isleworth and Syon School for Boys
789m
10 mins
Transport Links
30 within 3kmIsleworth Station / Rennels Way
Bus Stop99m
1 min
Woodlands Road
Bus Stop102m
1 min
St John The Baptist
Bus Stop108m
1 min
Isleworth Rail Station
Rail149m
2 mins
Isleworth
Bus Stop160m
2 mins
Isleworth
Rail180m
2 mins
School data from Dept. for Education • Transport data from NaPTAN
Nearby Property Businesses
Local professionals serving this area
Map
77 points of interest nearby
Map data from OpenStreetMap • Transport data from NaPTAN • School data from Dept. for Education • Scenic data from Beautifulplaces.ai
Frequently Asked Questions
Common questions about this property