Qualified assessors, certificates within 48 hours








Our EPC assessors work across Northampton every week, from the town centre near Market Square to newer homes at Harlestone Grange and Overstone Gate. An energy performance certificate is required before a property can be marketed for sale or let, and it stays valid for 10 years from the date of issue. The certificate grades a home from A to G, so buyers and tenants can see how efficiently the property uses energy. A missing EPC can lead to a domestic fixed penalty of £200, so getting it arranged early keeps the transaction moving.
Northampton’s housing stock gives us a wide spread of EPC results. Victorian terraces from the 1870s to 1900s, especially around the centre and close to places like the Guildhall and 78 Derngate, often lose heat through solid walls and older roofs. New Town era homes from the 1960s to 1980s make up over 40% of the stock, while modern developments from the 1990s onwards, including schemes near Harpole and Overstone, usually perform better if insulation and heating controls are in place. Our EPC team looks at the age, build type and heating set-up, then turns that into a clear certificate you can use straight away.
238,661
Population
55,101
Households
59.95%
Owner Occupied
21.49%
Privately Rented
10.59%
Local Authority Rented
5.73%
Housing Association Rented
Over 40%
Homes from 1960s to 1980s
20.14%
Under 16 Population
14.67%
Over 65 Population
Using listing data from home.co.uk and property data from homedata.co.uk
An energy performance certificate is a legal document that shows how energy efficient a property is and how much the running costs are likely to be. We carry out EPC assessments for sales, lettings and newly built homes across Northampton, including addresses in NN5, NN6 and the wider West Northamptonshire area. The certificate must be available before marketing begins, which means it should be in place before the first listing goes live or before a tenant is shown around. New homes at developments such as The Ridgeway, Western Gate and DWH at Overstone Gate still need an EPC once the build is complete.
Ratings run from A to G, with A being the most efficient and G the least efficient. That scale gives a quick view of the property’s fabric, heating and insulation without requiring the buyer or tenant to interpret technical drawings. If a domestic property is marketed without a valid EPC, the fixed penalty is £200, and the issue becomes more awkward once a sale or tenancy is already under way. Our assessors keep the process straightforward, which matters just as much in a Victorian terrace near the Market Square as it does in a modern semi in Harpole.

Northampton has a mixed housing base, and that shows up in EPC results very clearly. Terraced homes from the 1870s to 1900s sit alongside New Town era properties from the 1960s to 1980s, while modern schemes such as Salden Place West, Salden Place East and Harlestone Grange add a much newer layer to the local stock. Over 40% of housing in the town dates from the 1960s to 1980s, so a lot of homes still rely on older wall build-ups, older windows and dated heating controls. Owner occupation stands at 59.95%, with 21.49% privately rented, so there is a steady flow of both sales and tenancy checks across the town.
Solid brick and stone buildings can be less forgiving than newer cavity wall homes. Northampton is known for red brick and Weldon stone ashlar, and those materials appear in older homes around the centre, including buildings near the Guildhall, Saint John's Hall and The Eleanor Cross. That kind of construction can make insulation improvements more sensitive, because the walls may need a different approach from a post-1990 house in Overstone or a coach house style home at Salden Place West. Our EPC team looks at the actual build, not just the headline age, so the recommendation list fits the property rather than forcing a generic fix.
Rental homes often sit in the middle of the EPC scale if they have not been updated for a while. A house with a decent boiler but thin loft insulation may land in a different band from a similar property with full double glazing and a modern heating programmer. Northampton’s 55,101 households include a significant private rented sector, so we regularly see the same few issues come up again and again, especially in older terraces and converted flats near the centre. Small changes can move the rating enough to matter, and the certificate gives a clear starting point before any bigger upgrade decisions are made.
Insulation, glazing and heating are the main drivers behind an EPC result. A home with a warm loft, cavity wall insulation, efficient boilers and modern controls will usually score better than an otherwise similar property with bare roof space and single glazing. Lighting also matters, though it tends to be a smaller factor than the fabric of the building. In older Northampton homes around the Guildhall and Market Square, the difference between basic upkeep and a few targeted improvements can be obvious on the final certificate.
Hot water systems, draught-proofing and any renewable technology are also recorded during the assessment. Newer homes at Harlestone Grange, Overstone Gate and Western Gate may already have a stronger starting point because the construction standards are tighter, but they still benefit from good thermostatic controls and proper loft access. Properties built in the 1960s to 1980s can sit in an awkward middle ground, where the shell is not terrible but the heating and glazing are no longer current. Our assessors note what is fitted on the day, then the software calculates the rating from that evidence.

Choose Northampton, enter the property address and tell us the home type. We confirm the booking and explain anything we need access to on the day.
Our assessor usually spends 45-60 minutes inside a typical home, longer if the layout is larger or split across several floors. Rooms, windows, loft access and the heating system are all checked.
We inspect insulation levels, wall type, glazing, boiler age, hot water setup and fixed lighting. The information is recorded exactly as found, so the final certificate reflects the property as it stands.
The survey data is entered into approved EPC software, which applies the official methodology. That produces the A to G rating and the list of recommendations.
The EPC is usually available soon after the visit, often within 48 hours. You receive the certificate and can use it for the sale or tenancy listing.
The completed EPC is uploaded to the national register, ready for estate agents, solicitors, landlords or letting agents to access when needed.
Simple upgrades often make the biggest difference to a Northampton EPC. A lot of the older terraces near the centre, especially those with original roofs and thin loft insulation, benefit from a top-up before anything else is considered. LED lighting, draught-proofing around doors and windows, and better heating controls can also give a lift without major disruption. Homes in Wootton, Great Billing and the older parts of NN5 often respond well to those smaller works because they target the main sources of heat loss.
Bigger improvements are usually tied to the building type. Solid wall properties, which are common in older red brick and stone homes, may need internal wall insulation or a careful approach to secondary glazing, while cavity wall homes can often gain from cavity fill if it has not already been done. Listed buildings and heritage properties near the Guildhall or The Eleanor Cross can need more planning thought, so we always keep conservation constraints in mind before suggesting a change. That matters in Northampton, where the age mix ranges from 1870s terraces to much newer homes at Harpole and Overstone.
Grant support may help with the cost of improvements. ECO4 and the Great British Insulation Scheme can assist some households with insulation and heating upgrades, depending on eligibility and the type of work needed. Our EPC recommendations are useful because they show which measures are likely to have the most impact, rather than sending you off to guess. A modest spend on the right measure can move a home away from bands E, F or G, which is often what sellers and landlords want to see before a listing goes live.
Northampton’s private rented sector is a big part of the local housing picture, with 21.49% of households privately rented. That means EPC renewals come up often at re-let stage, and landlords need to keep an eye on expiry dates rather than leaving it to the last minute. Under MEES rules, rental properties must meet a minimum EPC rating of E unless a valid exemption applies. If the property is being marketed without a valid EPC, the domestic fixed penalty for that breach is £200.
A valid EPC also helps landlords plan upgrades before a tenancy ends. Homes in older terraces around the town centre may need insulation and heating work, while newer flats and semis in developments such as Salden Place or Harlestone Grange may only need minor checks before re-marketing. Our EPC team can flag the easy wins first, which helps when you are trying to keep a void period short and the paperwork in order. If a certificate is close to the 10-year limit, replacing it early is usually simpler than waiting until a tenant or agent asks for it.

An EPC is valid for 10 years from the date it is issued. If the certificate on a Northampton property is close to expiry, it is usually easier to renew it before you start marketing the home. That avoids problems later if a buyer, tenant or agent asks to see a current copy. We can arrange the new assessment without making the process complicated.
Yes, an EPC must be available before the property is marketed for sale. That applies to a terraced house near the centre, a semi in Wootton or a detached home in Overstone Gate. The certificate shows the energy rating and gives the buyer a clear picture of expected efficiency. Without it, the sale can stall and the domestic penalty for a missing EPC is £200.
The minimum rating for most rental homes is E under MEES rules. If a property in Northampton sits below that level, the landlord usually needs to improve the rating or check whether an exemption applies. That matters in the private rented stock, which makes up 21.49% of households locally. An up to date certificate keeps the tenancy paperwork in line with the current rules.
Our EPC assessments in Northampton start from £80. The final price depends on the size and layout of the property, so a flat near Market Square may be quicker to assess than a larger home in Grange Park or Harlestone Grange. We confirm the booking price before the visit, so you know what to expect. The certificate is then issued shortly after the inspection, often within 48 hours.
Yes, and even small changes can help. Loft insulation, LED lighting, draught-proofing and better heating controls are often the first things we recommend in older Northampton homes, especially terraces from the 1870s to 1900s. Larger upgrades such as cavity wall insulation or a boiler replacement can help as well if the property needs them. Our assessors look at the current setup and point you towards the most practical improvements.
Our assessor visits the property and records the details that affect energy use. That includes wall construction, loft insulation, windows, boiler type, hot water system, lighting and the overall size and layout of the home. The visit usually takes 45-60 minutes for a typical property, though larger homes can take longer. The data is then entered into approved software and turned into the final EPC rating.
Yes, and that is one of the most useful parts of the process. The recommendations show where a Northampton property can improve, which helps landlords prioritise the work before a re-let or a renewal. A home near the centre might need insulation and controls, while a newer property in Harpole may only need maintenance and a fresh certificate. It gives you a practical checklist rather than guesswork.
From £370
Homebuyer report for standard purchases and newer homes
From £550
Full building survey for older, altered or listed Northampton homes
From £499
Solicitors for the legal work behind your sale or purchase
From £90
Landlord gas safety checks for rental compliance
Our EPC assessments in Northampton start from £80, with the final quote based on the property type and access requirements. A compact flat in the NN1 centre may be simpler to inspect than a larger detached home in Overstone Gate or a house with several storeys in the town centre. We make the price clear before you book, so there are no surprises on the day. That helps sellers, landlords and agents move quickly when a listing is ready to go live.
The visit itself is straightforward. We inspect the rooms, measure the key energy features and record the evidence needed for the official calculation. Most appointments are completed in 45-60 minutes, and the certificate is often available within 48 hours. Once issued, it is uploaded to the EPC register, which means the document can be checked again later if a solicitor, letting agent or buyer needs a copy.
Accessing the certificate again is simple, because the EPC register keeps the record for the full 10-year life of the document. That is useful for homes in Northampton with repeat sales or new tenancies, especially in areas with a lot of movement such as the private rented sector. If the property has changed since the last assessment, such as a new boiler or added insulation, a fresh inspection can give a better result. Our EPC team can arrange that quickly, so the paperwork does not become a last-minute problem.
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Homemove is a trading name of HM Haus Group Ltd (Company No. 13873779, registered in England & Wales). Homemove Mortgages Ltd (Company No. 15947693) is an Appointed Representative of TMG Direct Limited, trading as TMG Mortgage Network, which is authorised and regulated by the Financial Conduct Authority (FRN 786245). Homemove Mortgages Ltd is entered on the FCA Register as an Appointed Representative (FRN 1022429). You can check registrations at NewRegister or by calling 0800 111 6768.