Energy Performance Certificate
23, Collier Close
DL15 9PU
CROOK
Current
C
69
Potential
C
80
At a Glance
About This Property
This terraced flat is located in CROOK, DL15 9PU. The property offers 60.75m² (654 sq ft) of modest-sized living space with 3 habitable rooms. It is built during the 1980s construction period. The property holds an EPC rating of C (69/100), meeting the government's target standard for energy efficiency. The gas central heating system has good efficiency, indicating a relatively modern, well-maintained boiler. 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 £552, comprising £387 for heating, £107 for hot water, and £58 for lighting. The property produces 2.6 tonnes of CO2 per year, which is low for a UK home.
How Does 23, Collier Close Compare?
With an energy efficiency score of 69/100, this CROOK property is above average, performing better than 60% of UK properties. Annual energy costs of £552 are approximately £1248 below the UK average of £1800, representing significant savings. With 60.75m² of space, this is a more compact property compared to the UK average of 87m². At 2.6 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 DL15 postcode district.
How This Property Compares
vs UK Average
vs CROOK
vs DL15
National Ranking: With an EPC score of 69/100, this property is good and performs better than approximately 60% of UK homes for energy efficiency.
Top 40% nationally
Energy Costs: £353/year less than the CROOK average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 7 Jan 2010
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Property Information
Full Address
23, Collier Close
DL15 9PU
CROOK
Property Type
Flat
End-Terrace
Construction Age
England and Wales: 1976-1982
Floor Area
60.75 m²
3.0 total rooms
3.0 heated
Tenure
owner-occupied
Efficiency Score
69 / 100
Potential: 80
CO₂ Emissions
2.6 tonnes/year
48 kg/m²
Energy Consumption
288 kWh/m²/year
Last Inspected
7 Jan 2010
marketed sale
About CROOK
CROOK is situated in County Durham, North East. Properties in CROOK have an average EPC rating of D (score 61/100). Heating costs are £518 below the CROOK average, offering good value. The DL15 postcode district contains over 8300 registered properties.
Location & Nearby Area
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Annual Energy Costs
Heating
Boiler and radiators, mains gas
£387.0/yr
Save £96/yr
Hot Water
£107.0/yr
Save £30/yr
Lighting
0.0% low energy
£58.0/yr
Save £29/yr
Building Elements
Walls
Cavity wall, filled cavity
Roof
(another dwelling above)
Windows
Fully double glazed
Floor
Suspended, no insulation (assumed)
Heating System
Boiler and radiators, mains gas
Main Fuel
mains gas - this is for backwards compatibility only and should not be used
Lighting
No low energy lighting
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£1,550 over 10 years
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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
Crook Primary School
PrimaryLast inspected: May 2023
Hartside Primary Academy
PrimaryLast inspected: Jun 2022
St Cuthbert's Catholic Primary School, Crook
PrimaryHowden-le-Wear Primary School
PrimarySunnybrow Primary School
PrimaryLast inspected: Feb 2023
Stanley (Crook) Primary School
PrimaryLast inspected: Feb 2019
Witton-le-Wear Primary School
PrimaryOur Lady and St Thomas Catholic Primary School, Willington
PrimaryAbout 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: 165 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 slightly above average crime levels
Most Common Incidents
April 2026Anti-social behaviour
31 incidents (28%)
violent crime
27 incidents (24%)
Criminal damage
17 incidents (15%)
Burglary
8 incidents (7%)
Shoplifting
7 incidents (6%)
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 DL15 9PU
Showing properties in the same postcode. Click to view detailed EPC data for each property.
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All properties in DL15 • Click to view detailed energy performance data
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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.