Ofgem’s July 2026 price cap rise: the practical homeowner guide (and why gas heating is at the centre of it)
Ofgem has announced that the energy price cap will rise by 13% from 1 July 2026, covering the period 1 July to 30 September 2026. The regulator links the increase mainly to higher wholesale gas prices, influenced by ongoing global tensions and market uncertainty.
On paper, you’ll see a lot of headlines about “the cap going up”, and a lot of confusion about what that actually means for a household with a boiler. For most homes around Bordon, Whitehill, Liphook, Alton, Farnham and Haslemere, gas still does the heavy lifting for heating and hot water, so even small changes in the underlying gas price can feel big when the heating season returns.
This isn’t a news recap. It’s a practical breakdown: what happened, why it matters, what it means technically, what it means financially, what it means locally, and what you should do next if you want to protect your comfort and reduce costs.
What happened: the July–September 2026 cap is higher
Ofgem sets a maximum price that suppliers can charge customers on default tariffs (often called standard variable tariffs). The new cap from 1 July is higher than the previous quarter.
Two details that matter for homeowners:
- The cap is not a cap on your total bill. It’s a cap on the unit rates (pence per kWh) and the standing charge. If you use more energy, you still pay more.
- Not everyone is on the capped tariff. Ofgem notes around 40% of accounts are on fixed tariffs, which aren’t affected in the same way (your fix stays fixed, for the length of the contract).
We’ve also seen a subtle but important point in Ofgem’s messaging: electricity costs are rising less than gas. For homeowners, that’s a hint about where the pressure is coming from and where the biggest savings usually are.
Why it matters: the UK is still heating with gas
Even with heat pumps and electrification gaining ground, the reality across much of Hampshire and Surrey is that gas boilers remain the most common heating system. If your home in Liphook, Alton or Farnham has a combi boiler, a system boiler with a hot water cylinder, or even an older conventional setup, your winter comfort is tied to the price of gas and the efficiency of your heating system.
When wholesale gas prices rise, suppliers’ costs rise. Ofgem builds those costs into the cap. The cap moving up in summer can feel frustrating (“we’re hardly using the heating”), but it sets the tone for what suppliers expect to pay for energy going forward—and that can influence:
- What fixed deals become available (and how attractive they are)
- How much you pay for hot water and cooking right now
- How “painful” the first cold snap feels when heating use jumps in October/November
What it means technically (in plain English)
1) Price cap mechanics: unit rate + standing charge
Most people think the cap is a single annual figure. It isn’t. Your bill is broadly:
Total cost = (unit rate × kWh used) + (standing charge × days)
The “typical annual bill” you see quoted is calculated using Typical Domestic Consumption Values (TDCVs)—an assumed annual usage for an average household. If you live in a larger, leakier property on the outskirts of Haslemere, or a smaller, well-insulated home in Whitehill, your usage can be miles away from “typical”. That’s why the headline number often doesn’t match what happens to your direct debit.
2) Why gas matters more than electricity for heating bills
Electricity does different jobs in a home: lighting, appliances, perhaps an immersion heater or EV charging. But space heating and hot water are the biggest energy loads for many properties—and in gas-heated homes those loads are mostly gas.
When gas becomes more expensive:
- Running your boiler to heat radiators costs more
- Showers and hot taps cost more (if heated by the boiler)
- Any inefficiency in the boiler or controls costs you more, faster
3) Boiler efficiency and “hidden” waste
A modern condensing boiler can be very efficient when it’s set up properly, but we regularly find common issues in local homes—from Bordon to Alton—that push running costs up:
- Flow temperature set too high: Many boilers are left at 70–80°C for heating. For most systems, lowering it (often to around 55–60°C, sometimes lower) improves condensing behaviour and can reduce gas use without sacrificing comfort.
- Poor controls: A basic on/off thermostat and no TRVs can lead to overheating rooms and short cycling.
- System sludge and imbalance: Radiators that are half cold, noisy pumps, or slow warm-ups can indicate poor circulation—meaning the boiler runs longer to achieve the same comfort.
- Hot water inefficiency: Older cylinders without decent insulation, or poorly timed schedules, can waste heat daily.
When energy prices jump, those “small” technical problems stop being small. They turn into pounds and pence.
What it means financially: where households get caught out
1) Your direct debit may change even if you haven’t changed anything
Suppliers review expected annual costs and adjust direct debits to avoid customers building up debt over winter. With the cap rising from July, many suppliers will anticipate higher costs later in the year, especially for gas-heated homes. That can trigger an increase in your monthly payment, even during summer.
2) The “typical bill” figure is not your bill
Ofgem’s “typical dual-fuel” number is a benchmark, not a promise. If your home is older, has limited loft insulation, or you work from home and heat more hours per day, you can easily be above typical consumption. On the flip side, if you’ve tightened up insulation and turned down flow temperatures, you can beat the benchmark.
3) The biggest savings are usually not from heroic behaviour changes
It’s tempting to focus on turning everything off. But for gas-heated homes, the biggest controllable levers are often:
- Heating system setup (flow temperature, controls, balancing)
- Insulation and draughtproofing (keeping heat in so the boiler runs less)
- Hot water habits and timings (especially in homes with cylinders)
These are the changes that keep paying you back every day, rather than requiring constant willpower.
What it means locally: Bordon, Whitehill, Liphook, Alton, Farnham and Haslemere homes are not “average”
Energy headlines assume a one-size-fits-all UK home. Locally, housing stock is mixed, and that changes the impact of price movements.
Older properties and heat loss
In and around Farnham and Haslemere you’ll find plenty of older properties—some solid wall construction, some with extensions over time, and often with a patchwork of insulation levels. These homes can be comfortable, but they can be costly to heat if insulation and controls haven’t caught up with modern standards.
Newer estates and modern boilers (but not always optimised)
Areas around Whitehill & Bordon include newer developments where boilers and radiators are relatively modern. Even then, we commonly see systems running hotter than necessary, or thermostats placed poorly, or homeowners unaware that a small setting change can improve efficiency.
Commuter patterns and “spiky” heating demand
In places like Liphook and Alton, household routines vary: some homes are empty all day, others have hybrid working and are heated from morning to evening. Spiky demand (lots of quick heat-ups) can expose problems like short cycling, oversized boilers, or ineffective zoning.
The result: the same cap rise can land very differently from one street to the next.
What homeowners should do next (practical steps that work)
Step 1: Check what tariff you’re actually on
If you’re on a standard variable tariff, you’re directly exposed to cap changes. If you’re on a fixed deal, check:
- When it ends
- What your current unit rates are
- Whether there are exit fees (often there aren’t, but don’t assume)
If your fix ends in late summer, you may roll onto a variable tariff at the new cap rates unless you choose another deal.
Step 2: Lower your boiler’s heating flow temperature (carefully)
For many condensing boilers, a lower flow temperature helps the boiler condense more effectively, extracting more heat from the same gas. This is one of the quickest “engineering-led” savings you can make.
- If you have a combi boiler, look for the radiator/heating temperature control (not the hot water temperature).
- Try reducing it gradually and see if the home still heats up comfortably.
- If your radiators struggle to heat the house on colder days, you can nudge it back up.
Homes with older radiators or marginal insulation may need a higher flow temperature in deep winter, but many properties in this area can run lower than they currently do for much of the year.
Step 3: Use controls properly (and consider upgrades)
A well-set programmer and thermostat can cut wasted hours of heating. If your heating comes on too early, runs too long, or heats rooms you don’t use, that’s money leaving the house.
- Program to your routine and review it quarterly.
- Use TRVs to reduce temperatures in bedrooms, hallways, or spare rooms.
- If you still have an old dial thermostat or basic timer, a modern room thermostat and better zoning can make the system far more responsive.
Step 4: Don’t ignore warning signs—repairs often pay back quickly
With higher gas prices, boiler and system problems are more expensive to live with. Common red flags:
- Radiators warm at the top but cool at the bottom
- Boiler constantly firing on and off (short cycling)
- Hot water taking longer than usual
- Noisy pipes, kettling sounds, or frequent pressure drops
Addressing circulation issues, bleeding/balancing radiators, checking the expansion vessel, or powerflushing where genuinely needed can restore performance. The key is diagnosis first—don’t jump to big-ticket work without evidence.
Step 5: Treat insulation as a “heating system upgrade”
Loft insulation, draughtproofing, and cylinder insulation (where applicable) reduce the heat your boiler has to replace. In practical terms, that means shorter boiler run times and lower gas consumption.
If you’re in an older home around Haslemere or Farnham, even modest draughtproofing around doors, floorboards and loft hatches can make the house feel warmer at a lower thermostat setting.
Step 6: Plan now for autumn servicing and safety checks
Price changes grab attention, but reliability matters just as much. A breakdown in November is never convenient, and it’s harder to get quick appointments when everyone turns their heating on at once.
A proper service checks combustion, safety devices and the overall condition of the boiler. It also gives you a chance to ask for efficiency tweaks—like verifying that your boiler settings match your home and radiators.
The bigger picture: why “electric vs gas” conversations will get louder
Ofgem’s note that electricity is rising less than gas will fuel more discussion about electrification—heat pumps, hybrid systems, and better controls. For some homes in and around Bordon and Whitehill (particularly well-insulated properties with enough outdoor space and suitable emitters), heat pumps can be a sensible long-term plan. For others—especially older, harder-to-insulate homes—the best first move is often to make the current wet heating system run as efficiently as possible while you plan longer-term upgrades.
The point is: a price cap change is a reminder that reducing demand is the only “tariff-proof” strategy. Better controls, better settings, and a healthier heating system reduce your exposure to whatever happens next quarter.
Need help optimising your heating, solving a fault, or getting your system ready before the colder months? Call (01420) 558993, email helpdesk@embassygas.com or book online at https://www.embassygas.com/book.