At a Glance
This terraced flat is located in STAINES-UPON-THAMES, TW18 4RS. The property offers 52m² (560 sq ft) of modest-sized living space with 3 habitable rooms. It is a post-war property from the mid-20th century. With an EPC rating of D (56/100), this property is around the UK average for energy efficiency. With recommended improvements, it could achieve a C rating (78/100). 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, 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 £1718, comprising £495 for heating, £1110 for hot water, and £113 for lighting. The property produces 4.6 tonnes of CO2 per year, which is moderate for a UK home. The property last sold in August 2019 for £283,000, with 2 recorded sales in our database. 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.
With an energy efficiency score of 56/100, this STAINES-UPON-THAMES property is around the national average for UK homes. At £1718 per year, energy costs are below the national average of £1800. With 52m² of space, this is a more compact property compared to the UK average of 87m².
Data source: Comparisons based on UK national statistics from the Department for Energy Security and Net Zero.This property is located in the TW18 postcode district.
National Ranking: With an EPC score of 56/100, this property is average and performs better than approximately 45% of UK homes for energy efficiency.
Top 55% nationally
Energy Costs: £1042/year more than the STAINES-UPON-THAMES average
Current Rating
Potential Rating
With recommended improvements
Based on assessment dated 17 Mar 2024
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Full Address
23 Swallow Close
TW18 4RS
STAINES-UPON-THAMES
Property Type
Flat
End-Terrace
Construction Age
England and Wales: 1967-1975
Floor Area
52.0 m²
3.0 total rooms
2.0 heated
Tenure
Rented (private)
Efficiency Score
56 / 100
Potential: 78
CO₂ Emissions
4.6 tonnes/year
89 kg/m²
Energy Consumption
524 kWh/m²/year
Last Inspected
17 Mar 2024
rental
STAINES-UPON-THAMES is situated in Middlesex, South East. Properties in STAINES-UPON-THAMES have an average EPC rating of D (score 63/100). The TW18 postcode district contains over 10200 registered properties.
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£283,000
23 August 2019
Type: Flat
vs previous sale
£230,000
20 March 2015
Type: Flat
Market Insights: This property has sold 2 times since 2015. Value has increased by 23.0% over this period.
Heating
Electric storage heaters
£495.0/yr
Save £107/yr
Hot Water
£1110.0/yr
Save £839/yr
Lighting
73.0% low energy
£113.0/yr
Walls
Cavity wall, as built, no insulation (assumed)
Roof
Pitched, 300 mm loft insulation
Windows
Fully double glazed
Floor
(another dwelling below)
Heating System
Electric storage heaters
Main Fuel
electricity (not community)
Lighting
Low energy lighting in 73% of fixed outlets
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Your Savings Today
£1,050/yr
£10,500 over 10 years
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£1,050/yr
£10,500 over 10 years
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Your walls are rated Poor. Cavity fill is quick and cost-effective.
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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See how this property compares to national averages. Explore energy efficiency trends, top-rated areas, and comprehensive UK property statistics.
View UK Property Insights →Within 3 miles of this property
Last inspected: Jun 2019
Last inspected: Oct 2022
Last inspected: Jun 2022
Last inspected: Oct 2021
Last inspected: Jun 2018
Last inspected: Sept 2018
Last inspected: Nov 2022
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.
Average download speed: 500 Mbps
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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All properties in TW18 • Click to view detailed energy performance data
Based on this property's characteristics, these guides might help you:
Step-by-step guide to upgrading from D-G to A-C ratings. Learn which improvements offer the best value.
Complete cost comparison, government grants up to £7,500, and real running costs for 2025.
Avoid fines up to £30,000. Understand minimum EPC ratings and compliance deadlines.
Understanding A-G ratings, what each means, and how UK properties compare.
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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.