Home Checkup

Energy Performance Certificate

23 Blomfield Road

W9 1AD

LONDON

Current

D

63

Potential

C

73

At a Glance

About This Property

This detached house is located in LONDON, W9 1AD. The property offers 1008m² (10850 sq ft) of generously-sized living space with 16 habitable rooms. It is a period property with Victorian or earlier origins. With an EPC rating of D (63/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (73/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The solid walls lack insulation. Solid wall insulation (external or internal) typically costs £8,000-£14,000 but can reduce heat loss by up to 35% and improve your EPC rating by 1-2 bands. The pitched roof lacks adequate insulation. Topping up loft insulation to 270mm (the recommended depth) typically costs £300-£500 and could save £150-£250 annually, with the investment often paying for itself within 2-3 years. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £15898, comprising £14913 for heating, £406 for hot water, and £579 for lighting. The property produces 33.0 tonnes of CO2 per year, which is high for a UK home. The property last sold in October 2024 for £24,200,000.

How Does 23 Blomfield Road Compare?

With an energy efficiency score of 63/100, this LONDON property is around the national average for UK homes. Energy costs of £15898 annually are £14098 above the UK average. Improvements could reduce bills significantly. At 1008m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 33.0 tonnes/year are above average. Energy improvements could significantly reduce the property's carbon footprint.

Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the W9 postcode district.

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How This Property Compares

🇬🇧

vs UK Average

This property63
Average60
+5% better
🏘️

vs LONDON

This property63
Average64
-2% below
📮

vs W9

This property63
Average61
+3% better

National Ranking: With an EPC score of 63/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.

Top 55% nationally

Energy Costs: £15354/year more than the LONDON average

Energy Efficiency Rating

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

Current Rating

D(63 points)

Potential Rating

C(73 points)

With recommended improvements

Based on assessment dated 16 Oct 2023

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Property Information

📍

Full Address

23 Blomfield Road

W9 1AD

LONDON

🏠

Property Type

House

Detached

📅

Construction Age

England and Wales: before 1900

📐

Floor Area

1008.0

16.0 total rooms

16.0 heated

🔑

Tenure

Owner-occupied

Efficiency Score

63 / 100

Potential: 73

🌍

CO₂ Emissions

33.0 tonnes/year

33 kg/m²

📊

Energy Consumption

185 kWh/m²/year

🔍

Last Inspected

16 Oct 2023

marketed sale

📍

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 £14369 above the local average, suggesting room for improvement. The W9 postcode district contains over 17100 registered properties. Like many LONDON properties, this home features period architecture with character typical of Victorian-era construction.

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Location & Nearby Area

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💷

Property Sale History

£24,200,000

29 October 2024

Type: Detached

Annual Energy Costs

🔥

Heating

Boiler and radiators, mains gas

£14913.0/yr

Save £3698/yr

🚿

Hot Water

£406.0/yr

💡

Lighting

100.0% low energy

£579.0/yr

Building Elements

🧱

Walls

Solid brick, as built, no insulation (assumed)

Poor
🏗️

Roof

Pitched, no insulation (assumed)

Very Poor
🪟

Windows

Fully double glazed

Good
📦

Floor

Solid, no insulation (assumed)

🔥

Heating System

Boiler and radiators, mains gas

Good

Main Fuel

mains gas (not community)

💡

Lighting

Low energy lighting in all fixed outlets

Very Good
My Priority Is...

Showing quick wins with fastest payback first

💰 Save £2,400/year

With 4 selected upgrades

Journey to A
DA
19,500
Property Value Boost
Investment
£27,500
Payback
~11 yrs
Current Costs
£15,898/yr
🔮

Future Energy Price Simulator

Drag to see how rising prices affect your savings

0%
Today's Prices
Today+10%+20%+30%+40%+50%

Your Savings Today

£2,400/yr

£24,000 over 10 years

Move slider to see

£2,400/yr

£24,000 over 10 years

Build Your Upgrade Plan

Sorted by best return on investment (quick wins first)

1
🏗️

Loft Insulation

Your roof is rated Very Poor. Top up to 270mm for best results.

Save £200/yrPayback: ~5 years+3 EPC points
£1,000
Cost
2
☀️

Solar Panels + Battery

Your house is ideal for solar. OVO: UK's #1 green energy supplier.

Save £1000/yrPayback: ~11 years+7 EPC points
£11,000
Cost
3
🌱

Air Source Heat Pump

Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.

Save £800/yrPayback: ~4 years+10 EPC points
🏛️ £7,500 BUS Grant Available
£3,500
£11,000
Cost
4
🧱

External Wall Insulation

Your walls are rated Poor. External insulation can dramatically reduce heat loss.

Save £400/yrPayback: ~30 years+8 EPC points
£12,000
Cost

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📊 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.

View UK Property Insights →
🏫

Nearby Schools

Within 3 miles of this property

St Joseph's RC Primary School

Primary
📍0.3 miles awayW9 1DF
?Not yet rated

St Saviour's CofE Primary School

Primary
📍0.3 miles awayW9 2JD

Last inspected: Oct 2008

Outstanding

Marylebone Boys' School

Secondary
📍0.3 miles awayW2 1QZ

Last inspected: Nov 2022

Good

Gateway Academy

Primary
📍0.4 miles awayNW8 8LN

Last inspected: Oct 2022

Good

St Mary Magdalene CofE Primary School

Primary
📍0.5 miles awayW2 5TF

Last inspected: May 2022

Good

Edward Wilson Primary School

Primary
📍0.5 miles awayW2 5TL

Last inspected: Apr 2023

Good

Ark King Solomon Academy

All-through
📍0.5 miles awayNW1 6RX

Last inspected: May 2013

Outstanding

Ark Atwood Primary Academy

Primary
📍0.5 miles awayW9 2JY

Last inspected: Jul 2013

Outstanding

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

🚀Ultrafast Broadband

Average download speed: 333 Mbps

⚡ Gigabit Available
⬇️

Download Speed

Minimum:30 Mbps
Average:333 Mbps
Maximum:1000 Mbps
⬆️

Upload Speed

Minimum:50 Mbps
Average:133 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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Area Safety

Higher Crime1714 incidents/month

The surrounding area (1-mile radius) experiences higher crime levels

Most Common Incidents

April 2026
🔊

Anti-social behaviour

397 incidents (23%)

📊

violent crime

337 incidents (20%)

🛒

Shoplifting

180 incidents (11%)

👜

Theft

172 incidents (10%)

👤

Pickpocketing

132 incidents (8%)

About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.

More Properties in W9 1AD

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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