If you own a rental property in Stanmore, the clock is ticking. Proposed government legislation would require all new tenancies to meet a minimum EPC rating of C by 2028, with existing tenancies following shortly after. For landlords across Stanmore, Canons Park and Stanmore Hill, that deadline is closer than it looks — and the cost of doing nothing is rising.
Harrow rents rose by 11.8% in the past year. Demand is strong, supply is tight, and tenants are increasingly choosing energy-efficient homes. Getting your EPC rating right now protects your income, your asset value and your options.
Why Stanmore landlords need to act before 2028
The proposed minimum EPC C standard for rental properties in England is expected to apply to new tenancies from 2028. That gives landlords time — but not as much as it feels like.
Upgrade work takes time to plan, quote and complete. Costs are rising as demand for insulation, heat pumps and glazing work increases. And if you leave it late, you could find yourself competing for the same tradespeople as every other landlord in the borough.
Acting now means you control the timeline, the cost and the disruption to your tenants.
What the Stanmore rental market looks like right now
Stanmore’s rental market is performing strongly. With the Jubilee line connecting Stanmore station directly to central London, the area draws a consistent mix of professional couples, families and commuters who want space, good schools and fast transport links.
Supply has not kept pace with that demand. Rental stock across Harrow remains constrained, which is one reason rents have risen so sharply. For landlords, that is good news in the short term — but an energy-inefficient property will increasingly struggle to compete as tenant expectations shift and legislation tightens.
The property types most at risk in Stanmore
Not all properties face the same EPC challenge. Stanmore has a varied rental stock, and where your property sits matters.
Older semis and detached houses near Stanmore Hill and Stanmore Common
Larger, older family homes in areas like Stanmore Hill and around Stanmore Common are often the most energy-hungry properties in the borough. Many were built before cavity wall insulation became standard. Solid walls, single-glazed windows in original frames and older boiler systems are all common findings in EPC assessments for this type of stock.
If your property is a three or four-bedroom semi-detached or detached house in this part of Stanmore, it is worth getting an updated EPC assessment now. Many of these homes currently sit at D or E, and the gap to a C rating can feel significant — but it is often more achievable than landlords expect once the right measures are identified.
Family homes in Canons Park and along Uppingham Avenue
Properties in the Canons Park area and along roads like Uppingham Avenue tend to attract family tenants who value space, proximity to Canons Park station and the green surroundings. These homes often share similar characteristics to Stanmore Hill stock — older build dates, larger floor areas and heating systems that have not been updated in years.
Loft insulation, cavity wall insulation (where applicable) and a modern condensing boiler can collectively push a property from a D to a C rating. The cost varies, but government and energy supplier schemes can reduce the outlay for eligible properties.
Flats near Stanmore station and The Broadway
Flats closer to Stanmore station and The Broadway generally perform better on EPC ratings than older houses. Newer apartment blocks often already meet or come close to an EPC C. However, flats in converted older buildings, or purpose-built blocks from the 1970s and 1980s, can still fall short.
For landlords with flats in these locations, the most common issues are inefficient heating systems, poor hot water insulation and limited control over communal areas. If your flat is in a leasehold building, it is worth speaking to the freeholder or management company now about any planned energy improvements, because some upgrades may require collective action.
What upgrades typically cost — and what help is available
Upgrade costs vary depending on property size, current rating and what measures are needed. Common improvements include:
• Loft insulation: typically £300 to £600
• Cavity wall insulation: typically £500 to £1,500
• Double glazing (full replacement): typically £3,000 to £8,000 depending on property size
• New condensing boiler: typically £2,000 to £4,000
• Air source heat pump: typically £7,000 to £13,000, although grant support may be available
The government’s Great British Insulation Scheme and the Boiler Upgrade Scheme can offer financial support for eligible properties. It is worth checking eligibility early, as funding criteria and availability can change.
The spending cap under current proposals is set at £15,000 per property, above which landlords may be able to register an exemption. For many Stanmore properties, however, reaching a C rating is achievable within that figure.
How energy improvements affect your rental income and exit options
An improved EPC rating is not just about compliance. It can have a direct impact on what you can charge, how quickly you let and what your property is worth when you come to sell.
Tenants are increasingly aware of energy costs. A property with an EPC C or above is a more attractive proposition than one rated D or E, particularly for families and professionals who plan to stay for several years. That can mean lower void periods and stronger tenant retention.
If you are thinking about selling your rental property in the next few years, an improved EPC rating can also support your sale price and widen your buyer pool, including owner-occupiers who may not otherwise have considered the property.
What to do next as a Stanmore landlord
Start with an up-to-date EPC assessment if your current certificate is more than a few years old. Recommendations change as technology develops, and an assessor can give you a clear picture of what is needed and what it is likely to cost.
Then speak to a letting agent who knows the Stanmore market. The right advice now can help you prioritise upgrades, understand the impact on your rental value, and plan works around your tenancy schedule to keep disruption to a minimum.
Hunters Stanmore works with landlords across the area — from larger portfolios to individual rental properties — helping them navigate the changing landscape with practical local knowledge. Whether you are managing a family home in Canons Park, a flat near Stanmore station or a period semi on Stanmore Hill, the team can help you understand where your property stands and what steps make sense for your circumstances.
Let’s protect your investment together
EPC upgrades are not just a compliance exercise. In a market where Harrow rents are rising, supply is tight, and tenant expectations are shifting, an energy-efficient property is a stronger, more resilient investment.
Do not wait until 2027 to start thinking about this. The landlords who act now will have more time, more choice and more control over the process.
Book a free valuation with Hunters Stanmore today to understand what your property is worth and how energy improvements could strengthen your rental income. Or get in touch with the branch directly to talk through your EPC position and next steps — the team is here to help you make the right call for your property and your goals.
Here to get you there.
