Home Checkup

Energy Performance Certificate

18, Clos y Deri, Priory Street

SA31 1ND

CARMARTHEN

Current

D

68

Potential

C

79

At a Glance

About This Property

This terraced flat is located in CARMARTHEN, SA31 1ND. The property offers 55m² (592 sq ft) of modest-sized living space with 3 habitable rooms. It is built during the 1980s construction period. With an EPC rating of D (68/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (79/100). 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 loft insulation is rated very good, meeting or exceeding the recommended 270mm depth for optimal thermal performance. Double glazing is installed throughout the property, providing good thermal and acoustic insulation. Estimated annual energy costs are £647, comprising £394 for heating, £161 for hot water, and £92 for lighting. The property produces 3.7 tonnes of CO2 per year, which is 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 18, Clos y Deri Compare?

With an energy efficiency score of 68/100, this CARMARTHEN property is around the national average for UK homes. Annual energy costs of £647 are approximately £1153 below the UK average of £1800, representing significant savings. With 55m² of space, this is a more compact property compared to the UK average of 87m². At 3.7 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 SA31 postcode district.

📊

How This Property Compares

🇬🇧

vs UK Average

This property68
Average60
+13% better
🏘️

vs CARMARTHEN

This property68
Average56
+21% better
📮

vs SA31

This property68
Average60
+13% better

National Ranking: With an EPC score of 68/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.

Top 55% nationally

Energy Costs: £380/year less than the CARMARTHEN 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(68 points)

Potential Rating

C(79 points)

With recommended improvements

Based on assessment dated 26 Sept 2017

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Property Information

📍

Full Address

18, Clos y Deri

Priory Street

SA31 1ND

CARMARTHEN

🏠

Property Type

Flat

Mid-Terrace

📅

Construction Age

England and Wales: 1976-1982

📐

Floor Area

55.0

3.0 total rooms

3.0 heated

🔑

Tenure

rental (social)

Efficiency Score

68 / 100

Potential: 79

🌍

CO₂ Emissions

3.7 tonnes/year

67 kg/m²

📊

Energy Consumption

398 kWh/m²/year

🔍

Last Inspected

26 Sept 2017

none of the above

📍

About CARMARTHEN

CARMARTHEN is situated in Swansea, Wales. Properties in CARMARTHEN have an average EPC rating of D (score 56/100). This property performs better than most homes in the area. Heating costs are £633 below the CARMARTHEN average, offering good value. The SA31 postcode district contains over 6700 registered properties.

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Location & Nearby Area

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Annual Energy Costs

🔥

Heating

Electric storage heaters

£394.0/yr

Save £190/yr

🚿

Hot Water

£161/yr

💡

Lighting

0.0% low energy

£92.0/yr

Save £46/yr

Building Elements

🧱

Walls

Cavity wall, as built, partial insulation (assumed)

Average
🏗️

Roof

Pitched, 300 mm loft insulation

Very Good
🪟

Windows

Fully double glazed

Good
📦

Floor

(another dwelling below)

NO DATA!
🔥

Heating System

Electric storage heaters

Average

Main Fuel

electricity (not community)

💡

Lighting

No low energy lighting

Very Poor
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Journey to A
DA
19,500
Property Value Boost
Investment
£3,500
Payback
~15 yrs
Current Costs
£647/yr
🔮

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£236/yr

£2,360 over 10 years

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£236/yr

£2,360 over 10 years

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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.

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🏫

Nearby Schools

Within 3 miles of this property

Ilfracombe Church of England Junior School

Primary
📍45.8 miles awayEX34 9LW

Last inspected: Apr 2019

Good

Ilfracombe Infant and Nursery School

Primary
📍46 miles awayEX34 8JL

Last inspected: Nov 2019

Good

The Ilfracombe Church of England Academy

Secondary
📍46 miles awayEX34 9JB

Last inspected: May 2023

⚠️Requires improvement

Combe Martin Primary School

Primary
📍46.6 miles awayEX34 0DF

Last inspected: Mar 2023

Good

Berrynarbor Church of England Primary School

Primary
📍46.7 miles awayEX34 9SE

Last inspected: Nov 2011

Outstanding

Woolacombe School

Primary
📍47.7 miles awayEX34 7BT
?Not yet rated

Lynton Church of England Primary School

Primary
📍48 miles awayEX35 6AF

Last inspected: May 2023

Good

West Down School

Primary
📍49 miles awayEX34 8NF

Last inspected: Oct 2019

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

Superfast Broadband

Average download speed: 184 Mbps

⚡ Gigabit Available
⬇️

Download Speed

Minimum:30 Mbps
Average:184 Mbps
Maximum:1000 Mbps
⬆️

Upload Speed

Minimum:50 Mbps
Average:28 Mbps
Maximum:200 Mbps

Available Providers

BTSkyTalkTalkPlusnet

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 SA31 1ND

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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