EPC Portsmouth

Book an Energy Performance Certificate with your local accredited assessor

EPC Portsmouth

Mohammad Hossain

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EPC Portsmouth

Looking for an EPC in Portsmouth? Get in touch with a local accredited energy assessor to check when they are free, confirm the cost and arrange a visit.

An Energy Performance Certificate (EPC) shows how energy efficient a property is and gives it a rating from A (most efficient) to G (least efficient). You will usually need a valid EPC before a home is marketed for sale or rent.

Property in Portsmouth spans older period homes, mid-century housing and newer estates. An EPC may be needed for any of them, whether it is a terrace, a semi-detached or detached house, a converted flat or a modern build.

Inside the EPC assessment

The assessment is a straightforward survey in which the assessor records the property's key characteristics, including:

  • the size and layout of the home
  • property age and construction type
  • the heating system and its controls
  • insulation
  • windows and glazing
  • any renewable technologies such as solar panels
  • lighting
  • energy efficiency upgrades and paperwork

From this the assessor works out the EPC band and prepares a report of recommendations. Larger or converted properties may take a little more time, so it is worth flagging anything unusual when arranging the visit.

How quickly can I book an EPC in Portsmouth?

Most EPC requests in Portsmouth come with a deadline — a property going on the market, a tenancy starting or an agent requesting the certificate before listing. Arranging the assessment early keeps things moving and makes scheduling easier, particularly for larger or more complex homes.

Landlords in Portsmouth

If you let property in Portsmouth, a valid EPC is required before the home is advertised, and it helps you check the property against the Minimum Energy Efficiency Standards. The recommendations can also point to practical upgrades — insulation, glazing or heating controls — that improve the rating.

Selling a home in Portsmouth

Homeowners selling in Portsmouth normally need a valid EPC in place before the property is advertised. Sorting it out early keeps the sale on track, and the report's suggested improvements can highlight simple changes that may lift the score.

Book an EPC in Portsmouth

To book your EPC in Portsmouth, get in touch with the assessor on this page to check availability and confirm the cost. Looking further afield, there are also assessors in Gosport, Havant and South Hayling.

Not sure whether the property already has a valid certificate? find your property’s EPC on the government register in seconds.

EPC data for Portsmouth

Figures below are for the Portsmouth local authority area, from the Energy Performance of Buildings Register to 2026 Q2.

3,542EPCs reach their 10-year expiry in the next 12 months
Band CThe most common rating, on 55% of certificates
40%Rated D or below, against 46% nationally
£680Average estimated heating cost a year

That expiry count is certificates lodged ten years ago and now coming up for renewal. Some of those homes have already been re-certified since, which authority-level data cannot show, so treat it as the ceiling rather than a to-do list.

How Portsmouth rates

Share of the 34,218 certificates lodged in the five years to 2026 Q2. This is the certificates lodged, not a survey of every home in the area.

What gets assessed around here

51% of the certificates lodged here are for flats and maisonettes, where houses lead nationally. The average floor area is 77.8m², roughly 7m² smaller than the England and Wales average. Estimated heating costs average £680 a year, £259 a year below the national figure. 47% of certificates were lodged for rented homes, a notably high share, so Minimum Energy Efficiency Standards bite harder here.

Radon in Portsmouth

Portsmouth sits in a radon Affected Area. The UKHSA and British Geological Survey put the 1km square covering the town centre in a band where between 3 and 5 in 100 homes are estimated to be at or above the radon action level of 200 becquerels per cubic metre. Radon is not measured during an EPC survey and does not affect the rating, but if you are buying, selling or improving a home here it is worth a test kit, and worth knowing before you seal a property up: draught-proofing and insulation work can raise indoor radon if ventilation is reduced. The atlas is indicative and works to a 1km grid, so it describes the area rather than any one property.

Listed buildings and conservation areas

Planning records published for the area within a mile of Portsmouth centre show 4 conservation areas. That matters for an EPC in two ways. A listed building is normally exempt from needing one where meeting the minimum energy requirements would unacceptably alter its character or appearance, though the exemption is not automatic and the decision rests with the owner on advice. And in conservation areas and article 4 areas the improvements an EPC recommends, replacement glazing or external wall insulation in particular, often need consent before they can be carried out. Your assessor will record what is actually there; the consent question is one for the council.

What an EPC costs in Portsmouth

An EPC around here generally costs between £70 and £170, though it depends on the property: floor area, whether there are rooms in the roof, extensions, and how far the assessor travels all move the price. We are not a panel and we do not set anybody's fees, so the figure you are quoted comes from the assessor doing the work. Contact one above for a price on your property.

Sources: MHCLG Energy Performance of Buildings Certificates live tables, 2026 Q2; UKHSA and British Geological Survey Indicative Atlas of Radon; planning.data.gov.uk. Prepared 2026-09-11.

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What to expect when a Domestic Energy Assessor comes to your property

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