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Energy assessor carrying out EPC survey London
Energy Certificates, London

EPC Certificate London, lodged the same day.

Required for every rental and sale in England. An accredited assessor carries out the survey and lodges the EPC on the national register, usually the same day. If you are a landlord the sensible way to buy it is in one visit with the EICR and the gas safety certificate, so the whole compliance file is done in a morning.

Fixed
Price agreed upfront
Same day
Certificate lodged
All London
Boroughs covered
How it is priced
Fixed prices, no hidden charges. Congestion charge may apply in central London.
1 to 2 bedroom property
Studio, 1 or 2 bedroom flat or house
Fixed quote
3 to 4 bedroom property
Larger homes and maisonettes
Fixed quote
5+ bedroom property
Large houses and multi-floor properties
Fixed quote
Commercial / non-domestic
Bespoke quote based on size
Fixed quote
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Congestion charge may apply for central London postcodes.

What is an EPC?

What is an
EPC?

An Energy Performance Certificate (EPC) rates the energy efficiency of a building on a scale from A (most efficient) to G (least efficient). It also estimates the environmental impact of the property using a CO2 rating.

The EPC includes recommendations for improving the energy rating, along with estimated costs and potential savings. For rental properties, the legal minimum EPC rating is currently E, properties rated F or G cannot legally be let.

EPCs are valid for 10 years and must be lodged on the government's national EPC register. They are required whenever a property is built, sold or rented, estate agents and letting agents typically require one before marketing commences.

Why choose us

Why London
landlords & sellers choose us.

Legal requirement to let or sell

All properties marketed for sale or rent in England must have a valid EPC. Rented homes rated F or G cannot be let unless a valid exemption is registered, and the minimum energy efficiency rules allow penalties of up to £5,000 per property.

Same-day lodgement

Once our assessor completes the survey, the EPC is lodged on the national register and emailed to you the same day, so you're not held up on a sale or tenancy start date.

Improvement advice included

Every EPC includes a full list of recommended improvements with estimated costs and potential savings, helping you plan energy efficiency upgrades that increase your property's rating.

Combined visits available

We regularly combine EPC assessments with EICR and CP12 surveys in a single visit, saving time and reducing the total cost for landlords with multiple compliance requirements.

What's included

Everything in
one assessment.

Full property survey
Assessor inspects the entire property including loft, walls, windows, heating system and hot water
Construction assessment
Wall construction, insulation, floor type and glazing all recorded and rated
Heating & hot water
Boiler type, age, controls and hot water cylinder efficiency all assessed
Lighting
Proportion of fixed low-energy lighting counted as part of the assessment
Ventilation
Draught-proofing and ventilation arrangements noted
National register lodgement
EPC lodged on the government register, the certificate number and PDF emailed to you
Improvement report
Recommended measures, indicative costs and potential savings clearly listed
10-year validity
EPC is valid for 10 years from the date of lodgement
How it works

Quick,
straightforward.

Book online
Select your property size and a convenient date. We cover all London boroughs with no travel supplement.
Assessor surveys
Our accredited energy assessor visits, surveys the whole property and records all relevant construction and services data.
EPC lodged
The certificate is calculated, lodged on the national register and emailed to you, typically the same day.
Improvement report
You receive a full list of recommended improvements with estimated costs so you can plan ahead.
What is assessed

What the assessor

looks at.

A domestic EPC is produced by an accredited domestic energy assessor using the government's reduced data method. The assessor visits, measures the property and records its construction and services, and the software turns that into a rating from A to G with an estimate of running costs and a list of recommended improvements.

Nothing is drilled or opened up, so the quality of the assessment depends on evidence. Paperwork for insulation, a new boiler or replacement windows can lift a rating, so it helps to have it ready on the day.

Walls and roof

The wall type and any insulation are identified, along with loft or roof insulation depth. In London many houses have solid brick walls, which usually explains a lower score.

Windows and doors

Single, double or secondary glazing is recorded room by room, as is the age of the glazing where it can be established.

Heating and controls

The boiler or heat source, its fuel and efficiency, and the controls such as a programmer, room thermostat and thermostatic radiator valves all carry significant weight.

Hot water and lighting

A hot water cylinder and its insulation are noted, along with the share of low energy lighting.

Renewables

Solar panels, a heat pump or other renewable technology are recorded and can make a large difference to the band.

The rules

Who needs an EPC

and for how long.

An EPC is needed whenever a home is built, sold or let. It is valid for ten years, and a new tenancy does not need a new certificate while the existing one is in date.

Letting a property

Private rented homes in England and Wales must currently meet a minimum of band E unless a valid exemption is registered. The tenant must be given a copy of the EPC at the start of the tenancy.

Selling a property

An EPC must be commissioned before the property is marketed, and estate agents display the rating in the listing.

The proposed move to band C

The government has proposed raising the minimum for rented homes to band C by 2030. Our EPC C by 2030 page explains what is planned and the upgrades that usually close the gap.

Domestic and non-domestic EPCs

This page covers domestic EPCs for houses and flats. Shops, offices and other commercial premises need a non-domestic EPC, which is produced under a different method; ask us if you need one.

Common questions

Questions
answered.

How long does an EPC last?
An EPC is valid for ten years from the date it is lodged. You do not need a new one for each tenancy while the current certificate is in date, but a fresh assessment after improvement work can record a better rating.
How can I check if my property already has an EPC?
EPCs are held on the government register, which you can search by postcode. If a valid certificate exists you may not need a new one, unless you have improved the property and want the better rating recorded.
Can improvements raise my rating?
Yes. Loft and wall insulation, a more efficient boiler with proper controls, better glazing and low energy lighting all feed into the rating. Keep the paperwork, because the assessor relies on evidence for anything that cannot be seen.
How long does an EPC survey take?
Most properties take 30 to 60 minutes. The assessor needs access to the loft hatch, boiler and all rooms.
Do I need to be present for the EPC?
Someone must provide access to the whole property, including loft and any outbuildings. You or a tenant can let the assessor in.
My property is rated F, can I still let it?
Not legally to new tenants. We can advise on the most cost-effective improvements to bring the rating to E or above. Common measures include loft insulation, cavity wall insulation and a modern boiler.
Is an EPC the same as an energy audit?
No. An EPC is a standardised rating required for compliance. An energy audit is a more detailed report used for larger-scale energy efficiency projects. The EPC does include improvement recommendations.
Can I use the same EPC for multiple tenancies?
Yes, the EPC is valid for 10 years and can be used for multiple tenancies within that period, provided the rating is still E or above.
How much does an EPC cost in London?
The price depends on the size and type of the property, not the borough, and it is confirmed in writing before you book, so the price agreed is the price paid. We cover Hackney, Waltham Forest, Lambeth, Greenwich, Woolwich, Kensington, Westminster, Merton and every other London borough. A congestion charge may apply for central postcodes. Commercial EPCs are quoted on the size of the building. If you are a landlord, booking the EPC in the same visit as the EICR and gas safety certificate is the most economical way to do it.
Which parts of London do you cover for EPCs?
All 32 boroughs, including the East End and Tower Hamlets, Hackney, Camden, Soho and Westminster, Hammersmith, Kensington, Greenwich, Woolwich, Waltham Forest and Golders Green.
Do you do EPCs for commercial property?
Yes. Shops, offices and other business premises need a non-domestic EPC, which is assessed differently. Tell us the floor area and how the building is used and we arrange it.
London-wide service

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EPC today.

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The assessment

How a domestic EPC assessment is carried out.

A domestic energy assessment is a survey of the building fabric and the heating, not a test of how much energy you use. The assessor records what the property is built from, what is in the loft, what the windows are, what heats the water and the rooms, and what controls are fitted.

What the assessor needs to see

Access to the loft hatch, the boiler and its controls, the hot water cylinder if there is one, and every room. Assessors have to record what they can see, and the software applies a default assumption where they cannot.

Evidence improves the rating

This is the part most owners miss. If you have had cavity walls filled, a boiler replaced or insulation upgraded, the paperwork raises the score. Installation certificates, guarantees, a boiler commissioning sheet or photographs taken during the work are all accepted evidence.

After the assessment

The certificate is lodged on the national register and is valid for ten years. If you are acting on that list, it is worth having the domestic assessment repeated once the work is complete, because the improvement only counts when a new certificate is lodged.

Cost

What affects the cost of an EPC in London.

Every EPC is quoted at a fixed price before the visit.

Property size and number of rooms

More rooms and floors mean more to measure and record.

Type of property

A purpose-built flat, a converted Victorian house and an HMO are surveyed differently.

Access

The assessor needs the loft hatch, the boiler and every room. A return visit for locked areas adds time.

Floor plans

The certificate itself does not need floor plans. If your agent wants plans for marketing, mention it when you book and we will tell you what can be arranged.

Coverage

EPCs across London.

We carry out EPCs for landlords, sellers and agents in all 32 boroughs, including the East End and Tower Hamlets, Hackney, Camden, Soho and Westminster, Hammersmith, Kensington, Greenwich, Woolwich, Waltham Forest and Golders Green.

Local pages: EPC in Marylebone, EPC in Paddington, EPC in Belgravia, EPC in St John's Wood, EPC in Maida Vale. Letting a property rated D or below? See EPC band C for landlords.

Coverage

Areas we cover.

We take EPC assessments across all 32 London boroughs. Most of our work is in west London, in Shepherd's Bush, Hammersmith, Fulham, Kensington, Chiswick and White City, and in south west London, in Putney, Wandsworth and Wimbledon. We also work in south east London, in Greenwich, Blackheath and Lewisham.

If your property is outside these areas, call us anyway. We travel across London and will tell you honestly if a job is too far to price properly.

Message us
Call GMAS on 07498 597339