Home Checkup

Energy Performance Certificate

1 Sunningdale Avenue

W3 7NS

LONDON

Current

D

57

Potential

C

77

At a Glance

About This Property

This semi-detached house is located in LONDON, W3 7NS. The property offers 117mยฒ (1259 sq ft) of good-sized living space with 7 habitable rooms. It is a characterful interwar or early 20th century home. With an EPC rating of D (57/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (77/100). The property uses electric storage heaters, which charge overnight on cheaper electricity tariffs. While having low installation costs, running costs are typically higher than gas central heating. A heat pump could reduce electricity use by 60-70%. The walls feature cavity wall insulation for improved thermal efficiency. The property has good loft insulation, though topping up to the recommended 270mm depth could provide additional energy savings. Double glazing is installed, though the efficiency rating suggests older units. Modern low-E double glazing can be up to 40% more efficient than units installed before 2002. Estimated annual energy costs are ยฃ2600, comprising ยฃ2082 for heating, ยฃ432 for hot water, and ยฃ86 for lighting. The property produces 1.9 tonnes of CO2 per year, which is very low for a UK home. For landlords: This rental property with a D rating is positioned above the current minimum standard. With proposed changes to require a C rating by 2028, modest improvements now could future-proof your compliance.

How Does 1 Sunningdale Avenue Compare?

With an energy efficiency score of 57/100, this LONDON property is around the national average for UK homes. Energy costs of ยฃ2600 annually are ยฃ800 above the UK average. Improvements could reduce bills significantly. The 117mยฒ floor area is above the UK average of 87mยฒ. CO2 emissions of 1.9 tonnes/year are less than half the UK household average, making this an environmentally friendly choice.

Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the W3 postcode district.

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How This Property Compares

๐Ÿ‡ฌ๐Ÿ‡ง

vs UK Average

This property57
Average60
-5% below
๐Ÿ˜๏ธ

vs LONDON

This property57
Average64
-11% below
๐Ÿ“ฎ

vs W3

This property57
Average66
-14% below

National Ranking: With an EPC score of 57/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.

Top 55% nationally

Energy Costs: ยฃ2056/year more than the LONDON average

Energy Efficiency Rating

๐Ÿ“Š Official EPC Register Data
A92-100
B81-91
C69-80
Potential
D55-68
Current
E39-54
F21-38
G1-20

Current Rating

D(57 points)

Potential Rating

C(77 points)

With recommended improvements

Based on assessment dated 17 Sept 2025

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Property Information

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Full Address

1 Sunningdale Avenue

W3 7NS

LONDON

๐Ÿ 

Property Type

House

Semi-Detached

๐Ÿ“…

Construction Age

England and Wales: 1930-1949

๐Ÿ“

Floor Area

117.0 mยฒ

7.0 total rooms

7.0 heated

๐Ÿ”‘

Tenure

Rented (private)

โšก

Efficiency Score

57 / 100

Potential: 77

๐ŸŒ

COโ‚‚ Emissions

1.9 tonnes/year

16 kg/mยฒ

๐Ÿ“Š

Energy Consumption

178 kWh/mยฒ/year

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Last Inspected

17 Sept 2025

rental

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About LONDON

LONDON is situated in West London, London. Properties in LONDON have an average EPC rating of D (score 64/100). Heating costs are ยฃ1538 above the local average, suggesting room for improvement. The W3 postcode district contains over 26900 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the LONDON area.

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Location & Nearby Area

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Annual Energy Costs

๐Ÿ”ฅ

Heating

Electric storage heaters

ยฃ2082.0/yr

Save ยฃ943/yr

๐Ÿšฟ

Hot Water

ยฃ432.0/yr

Save ยฃ14/yr

๐Ÿ’ก

Lighting

100.0% low energy

ยฃ86.0/yr

Building Elements

๐Ÿงฑ

Walls

Cavity wall, as built, no insulation (assumed)

Poor
๐Ÿ—๏ธ

Roof

Pitched, 150 mm loft insulation

Good
๐ŸชŸ

Windows

Fully double glazed

Average
๐Ÿ“ฆ

Floor

Solid, no insulation (assumed)

๐Ÿ”ฅ

Heating System

Electric storage heaters

Average
โ›ฝ

Main Fuel

electricity (not community)

๐Ÿ’ก

Lighting

Good lighting efficiency

Good
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Cavity Wall Insulation

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ยฃ2,000
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๐Ÿ“Š Compare with UK-Wide Property Data

See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.

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๐Ÿซ

Nearby Schools

Within 3 miles of this property

East Acton Primary School

Primary
๐Ÿ“0.3 miles awayโ€ขW3 7HA

Last inspected: Mar 2022

โœ“Good

Ark Conway Primary Academy

Primary
๐Ÿ“0.4 miles awayโ€ขW12 0QT

Last inspected: Jul 2013

โญOutstanding

John Perryn Primary School

Primary
๐Ÿ“0.4 miles awayโ€ขW3 7PD

Last inspected: May 2023

โœ“Good

Old Oak Primary School

Primary
๐Ÿ“0.4 miles awayโ€ขW12 0AS

Last inspected: Jun 2023

โœ“Good

Wormholt Park Primary School

Primary
๐Ÿ“0.6 miles awayโ€ขW12 0SR

Last inspected: Jul 2023

โœ“Good

Phoenix Academy

Secondary
๐Ÿ“0.6 miles awayโ€ขW12 0RQ

Last inspected: Mar 2019

โœ“Good

Ark Byron Primary Academy

Primary
๐Ÿ“0.7 miles awayโ€ขW3 7JT

Last inspected: Nov 2018

โœ“Good

Wendell Park Primary School

Primary
๐Ÿ“0.8 miles awayโ€ขW12 9LB

Last inspected: Nov 2022

โœ“Good

About school ratings: Ofsted ratings range from Outstanding to Inadequate. These ratings are based on inspections of teaching quality, leadership, pupil behavior, and safety. Note that school catchment areas vary - check with the school or local council for admission details.

Data source: School information from Get Information About Schools (GIAS). Distances are approximate. Always verify school catchment areas directly with the school or local education authority.

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Broadband & Connectivity

๐Ÿš€Ultrafast Broadband

Average download speed: 477 Mbps

โšก Gigabit Available
โฌ‡๏ธ

Download Speed

Minimum:30 Mbps
Average:477 Mbps
Maximum:1000 Mbps
โฌ†๏ธ

Upload Speed

Minimum:50 Mbps
Average:191 Mbps
Maximum:200 Mbps

Available Providers

Virgin MediaHyperopticBTSkyTalkTalk

What do these speeds mean? 10-30 Mbps: Good for browsing and streaming. 30-100 Mbps: Great for multiple users and HD streaming. 100-300 Mbps: Excellent for 4K streaming and gaming. 300+ Mbps: Perfect for large households and heavy internet use.

Data source: Broadband speeds are from Ofcom Connected Nations 2025 report (July 2025 release). Data shows typical speeds available in this postcode area. Actual speeds at this specific property may vary depending on line quality, distance from exchange, and chosen provider. Always verify availability with providers before committing.

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More Properties in W3 7NS

Showing properties in the same postcode. Click to view detailed EPC data for each property.

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About this EPC: Energy Performance Certificates are valid for 10 years and are required when a property is built, sold, or rented. Learn more about EPCs or book an EPC assessment.

Cost estimates are approximate and actual savings may vary. Find local tradesmen to get accurate quotes for improvements.

Data Sources: This report contains public sector information licensed under the Open Government Licence v3.0.

Data from: UK Energy Performance Certificate Register, HM Land Registry Price Paid Data, and Police.uk crime statistics.

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