Energy Performance Certificate
Locks House, Main Road
SO45 5TD
SOUTHAMPTON
Current
D
56
Potential
D
66
At a Glance
About This Property
This detached house is located in SOUTHAMPTON, SO45 5TD. The property offers 326m² (3509 sq ft) of generously-sized living space with 9 habitable rooms. It is a characterful interwar or early 20th century home. With an EPC rating of D (56/100), this property is around the UK average for energy efficiency. This property benefits from a air source heat pump system, which can deliver 3-4 units of heat for every unit of electricity used. Heat pumps are eligible for the £7,500 Boiler Upgrade Scheme grant, making them increasingly popular for UK homes seeking to reduce carbon emissions. 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 £2757, comprising £2348 for heating, £283 for hot water, and £126 for lighting. The property produces 9.1 tonnes of CO2 per year, which is high for a UK home.
How Does Locks House Compare?
With an energy efficiency score of 56/100, this SOUTHAMPTON property is around the national average for UK homes. Energy costs of £2757 annually are £957 above the UK average. Improvements could reduce bills significantly. At 326m², this property is significantly larger than the average UK home (87m²). CO2 emissions of 9.1 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 SO45 postcode district.
How This Property Compares
vs UK Average
vs SOUTHAMPTON
vs SO45
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: £2176/year more than the SOUTHAMPTON average
Energy Efficiency Rating
📊 Official EPC Register DataCurrent Rating
Potential Rating
Based on assessment dated 3 Oct 2017
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Property Information
Full Address
Locks House
Main Road
Dibden
SO45 5TD
SOUTHAMPTON
Property Type
House
Detached
Construction Age
England and Wales: 1930-1949
Floor Area
326.0 m²
9.0 total rooms
9.0 heated
Tenure
owner-occupied
Efficiency Score
56 / 100
Potential: 66
CO₂ Emissions
9.1 tonnes/year
28 kg/m²
Energy Consumption
164 kWh/m²/year
Last Inspected
3 Oct 2017
marketed sale
About SOUTHAMPTON
SOUTHAMPTON is situated in Hampshire, South East. Properties in SOUTHAMPTON have an average EPC rating of D (score 63/100). Heating costs are £1767 above the local average, suggesting room for improvement. The SO45 postcode district contains over 10300 registered properties. Built during the mid-20th century suburban expansion, this property reflects the housing developments common to the SOUTHAMPTON area.
Location & Nearby Area
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Annual Energy Costs
Heating
Air source heat pump, fan coil units, electric
£2348.0/yr
Save £322/yr
Hot Water
£283.0/yr
Save £91/yr
Lighting
100.0% low energy
£126.0/yr
Building Elements
Walls
Cavity wall, as built, no insulation (assumed)
Roof
Pitched, 300 mm loft insulation
Windows
Fully double glazed
Floor
Solid, no insulation (assumed)
Heating System
Air source heat pump, fan coil units, electric
Main Fuel
electricity (not community)
Lighting
Low energy lighting in all fixed outlets
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Your Savings Today
£1,985/yr
£19,850 over 10 years
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£1,985/yr
£19,850 over 10 years
Build Your Upgrade Plan
Sorted by best return on investment (quick wins first)
Cavity Wall Insulation
Your walls are rated Poor. Cavity fill is quick and cost-effective.
New A-Rated Boiler
Your heating is rated Poor. Compare local boiler installers.
Solar Panels + Battery
Your house is ideal for solar. OVO: UK's #1 green energy supplier.
Air Source Heat Pump
Ultra-efficient heating with £7,500 government grant. OVO: MCS certified installation.
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View UK Property Insights →Nearby Schools
Within 3 miles of this property
Applemore College
SecondaryLast inspected: Jul 2022
Noadswood School
SecondaryLast inspected: Oct 2022
Marchwood Church of England Infant School
PrimaryLast inspected: Apr 2023
Orchard Junior School
PrimaryLast inspected: Apr 2022
Orchard Infant School
PrimaryLast inspected: Mar 2022
Marchwood Junior School
PrimaryLast inspected: Nov 2018
Hythe Primary School
PrimaryLast inspected: Oct 2022
Waterside Primary School
PrimaryLast inspected: May 2019
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: 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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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.