Energy Performance Certificate
91 Cromwell Avenue
OX9 3YE
THAME
Current
D
66
Potential
B
89
At a Glance
About This Property
This terraced house is located in THAME, OX9 3YE. The property offers 51m² (549 sq ft) of modest-sized living space with 2 habitable rooms. It is built during the 1980s construction period. With an EPC rating of D (66/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a B rating (89/100). The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. The walls feature cavity wall insulation with good efficiency ratings, providing solid thermal performance. Single glazing is a significant source of heat loss, accounting for up to 25% of a home's heat escaping through windows. Upgrading to double glazing typically costs £400-£600 per window but improves thermal comfort and can reduce noise by up to 30dB. Estimated annual energy costs are £571, comprising £391 for heating, £127 for hot water, and £53 for lighting. The property produces 2.4 tonnes of CO2 per year, which is low for a UK home.
How Does 91 Cromwell Avenue Compare?
With an energy efficiency score of 66/100, this THAME property is around the national average for UK homes. Annual energy costs of £571 are approximately £1229 below the UK average of £1800, representing significant savings. With 51m² of space, this is a more compact property compared to the UK average of 87m². At 2.4 tonnes of CO2 per year, emissions are below the UK average of 4.5 tonnes.
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the OX9 postcode district.
How This Property Compares
vs UK Average
vs THAME
vs OX9
National Ranking: With an EPC score of 66/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £111/year less than the THAME average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
With recommended improvements
Based on assessment dated 27 Sept 2022
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Property Information
Full Address
91 Cromwell Avenue
OX9 3YE
THAME
Property Type
House
End-Terrace
Construction Age
England and Wales: 1983-1990
Floor Area
51.0 m²
2.0 total rooms
2.0 heated
Tenure
Owner-occupied
Efficiency Score
66 / 100
Potential: 89
CO₂ Emissions
2.4 tonnes/year
48 kg/m²
Energy Consumption
272 kWh/m²/year
Last Inspected
27 Sept 2022
rental
About THAME
THAME is situated in Oxfordshire, South East. Properties in THAME have an average EPC rating of D (score 64/100). Heating costs are £291 below the THAME average, offering good value. The OX9 postcode district contains over 5200 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£391.0/yr
Save £88/yr
Hot Water
£127.0/yr
Save £58/yr
Lighting
100.0% low energy
£53.0/yr
Building Elements
Walls
Cavity wall, as built, insulated (assumed)
Roof
Pitched, 75 mm loft insulation
Windows
Single glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas (not community)
Lighting
Low energy lighting in all fixed outlets
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£1,296/yr
£12,960 over 10 years
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£1,296/yr
£12,960 over 10 years
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Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
Double Glazing
Your windows are rated Very Poor. Modern A-rated double glazing reduces drafts and heat loss.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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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
Barley Hill Primary School
PrimaryLast inspected: May 2019
John Hampden Primary School
PrimaryLast inspected: Jun 2022
St Joseph's Catholic Primary School, Thame
PrimaryLast inspected: Nov 2019
Lord Williams's School
SecondaryLast inspected: May 2022
Haddenham St Mary's Church of England School
PrimaryLast inspected: Sept 2021
Long Crendon School
PrimaryLast inspected: Jun 2022
Haddenham Community Junior School
PrimaryLast inspected: Sept 2018
Haddenham Community Infant School
PrimaryLast inspected: Jan 2023
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.
Broadband & Connectivity
Average download speed: 500 Mbps
Download Speed
Upload Speed
Available Providers
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
The surrounding area (1-mile radius) has low crime compared to national averages
Most Common Incidents
April 2026violent crime
15 incidents (27%)
Shoplifting
10 incidents (18%)
Anti-social behaviour
9 incidents (16%)
Criminal damage
5 incidents (9%)
Public order
4 incidents (7%)
About this data: Crime statistics show incidents reported during April 2026 within a 1-mile radius. Data from Police.uk, updated monthly.
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All properties in OX9 • Click to view detailed energy performance data
Related Property Guides
Based on this property's characteristics, these guides might help you:
How to Improve Your EPC Rating →
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Air Source Heat Pumps vs Gas Boilers →
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
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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.