# Off-Peak Laundry: How Much You Really Save > Off-peak electricity (e.g. Economy 7) saves 20-40 % on your wash cycle. Delayed start, night noise, laundromat fixed pricing. **Published :** 2026-03-23 · **Updated :** 2026-03-25 --- **Résumé :** Running your washing machine during off-peak electricity hours (overnight on Economy 7 / time-of-use tariffs) saves **20-40 % on the electricity cost per cycle** -- roughly GBP 0.04-0.12 per wash. Over 220 cycles a year, that is **GBP 8-26 saved**. The real payoff comes from shifting washing machine + tumble dryer + dishwasher + water heater to off-peak: combined savings of **GBP 80-150 per year**. At a laundromat the price is fixed whatever the hour \-- no off-peak calculation needed. ## At a glance - **Off-peak windows vary** -- check your bill or smart-meter app. UK Economy 7: typically midnight-7 am. - **Saving per cycle: GBP 0.04-0.12** -- modest alone, but significant when combined across all heavy appliances. - **Delayed start** -- set it so the cycle finishes 30 min before your alarm. Wet laundry left sitting breeds odours. - **Night noise in flats** -- reduce spin speed, use an anti-vibration mat, keep the machine level. - **At a laundromat: fixed price** -- open 7 am-10 pm, same price any time. No scheduling needed. ## How off-peak electricity tariffs work ### The principle Off-peak (or time-of-use) tariffs charge a lower rate for electricity consumed during periods of low demand -- typically overnight. The UK's Economy 7 gives you 7 hours of cheap electricity, usually midnight to 7 am. In the US, many utilities offer TOU plans with off-peak windows from 9 pm to 7 am. The goal for the grid: smooth demand by incentivising households to shift non-urgent consumption (water heating, laundry, drying) to off-peak hours. The goal for you: pay less by adapting your habits. ### Typical off-peak windows | Tariff type | Off-peak window | Note | |---|---|---| | UK Economy 7 | Midnight - 7 am (7 hrs) | Most common UK off-peak tariff | | UK Economy 10 | Various (10 hrs total, split) | Less common, includes afternoon block | | US TOU (typical) | 9 pm - 7 am | Varies by state and utility | | EU night tariff | 10 pm - 6 am (varies by country) | Common in France, Belgium, Spain | **How to find your off-peak hours**: check your latest electricity bill (the windows are listed) or use your supplier's app / smart-meter dashboard. ### Rate comparison | Country | Peak rate | Off-peak rate | Saving | |---|---|---|---| | UK (Economy 7) | \~0.30 GBP/kWh | \~0.10 GBP/kWh | \~67 % | | US (TOU average) | \~0.20 USD/kWh | \~0.08 USD/kWh | \~60 % | | EU average | \~0.30 EUR/kWh | \~0.18 EUR/kWh | \~40 % | Note that peak rates on TOU tariffs are often **higher** than standard flat rates. To make the tariff worthwhile, you need to shift at least 40-50 % of your consumption to off-peak hours. ## Real savings on the washing machine ### Cost per cycle A washing machine consumes between **0.3 and 1.2 kWh per cycle** depending on temperature and programme. Water heating accounts for 75-85 % of this consumption. | Programme | Consumption | Peak cost (0.30 GBP/kWh) | Off-peak cost (0.10 GBP/kWh) | Saving per cycle | |---|---|---|---|---| | 30 °C cotton | 0.35 kWh | GBP 0.11 | GBP 0.04 | GBP 0.07 | | 40 °C cotton | 0.60 kWh | GBP 0.18 | GBP 0.06 | GBP 0.12 | | 60 °C cotton | 1.00 kWh | GBP 0.30 | GBP 0.10 | GBP 0.20 | | Eco 40 °C | 0.40 kWh | GBP 0.12 | GBP 0.04 | GBP 0.08 | | Quick 30 °C | 0.25 kWh | GBP 0.08 | GBP 0.03 | GBP 0.05 | ### Annual savings An average household runs roughly **220 wash cycles per year**. At an average temperature of 40 °C, the annual saving on the washing machine alone is about **GBP 20-26**. Modest -- but it is a "free" gain that only requires a change of habit. ### The real lever: combine all appliances The benefit of a time-of-use tariff becomes clear when you shift **all** heavy consumers to off-peak. | Appliance | Annual consumption | Annual saving (off-peak vs peak) | |---|---|---| | Water heater (150 L) | 800-1,200 kWh | GBP 50-80 | | Tumble dryer (150 cycles) | 400-600 kWh | GBP 25-40 | | Washing machine (220 cycles) | 100-200 kWh | GBP 15-26 | | Dishwasher (250 cycles) | 200-300 kWh | GBP 15-25 | | **Total** | **1,500-2,300 kWh** | **GBP 105-171** | After deducting any standing-charge premium for the TOU tariff, net savings land at **GBP 80-150 per year**. That is significant -- the equivalent of 2-3 months of electricity bills. ## The delayed start: how to use it ### How it works The **delayed start** (or "start delay") is a feature found on virtually all washing machines sold in the last 10 years. It lets you load the machine, select the programme and postpone the start by 1-24 hours depending on the model. While waiting, the machine draws virtually nothing (1-2 W standby). The cycle starts automatically at the programmed time and runs as normal. ### The timing trick The trap with delayed start: setting the cycle too early at night. If the cycle ends at 3 am and you do not unload until 7 am, the laundry **sits wet in the drum** for 4 hours. Bacteria develop in damp laundry within 2-3 hours, producing unpleasant odours. **The right approach**: calculate the delay so the cycle finishes **30 minutes before your alarm**. > Cotton 40 °C programme: duration 1 h 45 min. Your alarm is at 7:00 am. You > want the cycle to end at 6:30 am. Required start: 6:30 - 1:45 = **4:45 am**. > If you load the machine at 9 pm and set a delay of **8 hours** (9 pm + 8 h = 5 > am, close to 4:45 am), the cycle will finish around 6:45 am -- you unload the > machine as soon as you wake up. ### Smart / connected machines Connected washing machines (Samsung SmartThings, LG ThinQ, Bosch Home Connect) let you programme the exact finish time from your smartphone. Some even detect your off-peak window automatically via a smart meter and optimise the start time. A genuine convenience -- but these machines cost GBP 100-200 more than an equivalent non-connected model. ## Night-time noise: solutions for flats ### The legal framework In most countries there is no law banning the use of a washing machine at night. However, **building regulations** and tenancy agreements often include a quiet-hours clause between 10 pm and 7 am. The noise from a washing machine on spin (65-78 dB) may constitute a **noise nuisance** if it is audible in adjacent flats. In a house, the issue obviously does not arise -- you can wash at any hour without disturbing anyone. ### How loud is a washing machine? | Cycle phase | Noise level | Equivalent | |---|---|---| | Water filling | 35-45 dB | Whisper | | Wash (gentle rotation) | 45-55 dB | Normal conversation | | Rinse | 45-55 dB | Normal conversation | | Spin (1,200 rpm) | 65-75 dB | Vacuum cleaner | | Spin (1,400 rpm) | 72-78 dB | Powerful vacuum | The main problem is the **spin** -- the last 5-10 minutes of the cycle. The rest of the wash is relatively quiet. ### Anti-noise solutions - 🔇 **Reduce the spin** — Drop the spin to 800 rpm for overnight washes. Laundry will be damper in the morning, but noise falls by 10-15 dB -- a very noticeable difference. Air-drying will take 2-3 hours longer. - 🧱 **Anti-vibration mat** — A dense rubber mat under the machine (GBP 15-25) absorbs vibrations transmitted through the floor and walls. The most effective fix for noise reaching downstairs neighbours. Reduces perceived noise by 3-5 dB next door. - ⚖️ **Level the machine** — A poorly levelled machine vibrates and 'walks' during spin -- noise and vibrations are amplified. Adjust the feet with a spirit level. All 4 feet must touch the floor firmly. Re-check after every move. - 🔊 **Night / quiet programme** — Some machines offer a 'night' or 'quiet' programme that automatically lowers spin speed and extends wash phases to compensate. Check whether your model has one. > **Warning:** > - **Do not skip the spin entirely** -- washing without spinning leaves laundry saturated (80 % moisture). It will take 24-48 hours to dry and develop odours. A spin of 600-800 rpm is the minimum, even at night. > - **Beware of unlevelled machines on tiles** -- tiles transmit vibrations more than laminate or vinyl. An anti-vibration mat is almost mandatory on a tiled floor in a flat. ## The tumble-dryer factor The tumble dryer is the **biggest beneficiary** of off-peak shifting -- its consumption (2-4 kWh per cycle) is 3-5 times higher than the washing machine's. Saving per cycle: GBP 0.10-0.40, or **GBP 15-40 per year** over 150 cycles. The problem: the tumble dryer is even louder than the washing machine (65-80 dB continuously, no quiet phase). In a flat, running the dryer overnight is often incompatible with neighbourly peace. The logical alternative: air-drying -- either outdoors or indoors. Saving: 100 % of the dryer's electricity. ## Lowering the temperature: a more powerful lever than off-peak A fact many people miss: **lowering the wash temperature** saves more than shifting the wash to off-peak. | Strategy | Saving per cycle (vs 60 °C at peak) | Annual saving (220 cycles) | |---|---|---| | 60 °C off-peak (instead of peak) | GBP 0.20 | \~GBP 44 | | 40 °C at peak (instead of 60 °C) | GBP 0.12 | \~GBP 26 | | 40 °C off-peak (combined) | GBP 0.24 | \~GBP 53 | | 30 °C off-peak (optimum) | GBP 0.27 | \~GBP 59 | The most effective move is to combine both: wash at 30-40 °C during off-peak hours. The combined saving can reach GBP 0.27 per cycle, or roughly **GBP 59 per year**. ## At a laundromat: no off-peak, fixed price At a Speed Queen self-service laundromat, the model is different. ### Same price whatever the hour Laundromat machines run at a **fixed price** -- the same at 7 am as at 9 pm. There is no peak / off-peak split. The displayed price is the final price, detergent and softener included. The advantage: you wash **whenever suits you**, with no maths and no delayed start. No scheduling constraints, no damp laundry sitting in the drum overnight. ### Our opening hours Our laundromats are open **7 days a week, 7 am to 10 pm**. Come in the morning before work, at lunchtime, in the evening after 8 pm or at the weekend -- the price is identical. The quietest slots (least waiting): weekdays 10 am-4 pm and Sunday morning. The busiest slots: Saturday morning and Sunday afternoon. > At a laundromat, the energy cost is built into the per-wash price. > Professional Speed Queen machines use less water and energy per kilo of > laundry than domestic machines -- better efficiency thanks to higher capacity > (9-18 kg) and professional engineering. You do not pay for electricity, water > and detergent separately -- everything is included in one transparent price. ## The right strategy for your situation - 🏠 **House** — Take full advantage of off-peak: washing machine and dryer overnight, delayed start to finish before your alarm. No noise constraints. Maximum saving of GBP 30-50/year on the laundry duo alone. - 🏢 **Flat** — Off-peak washing is possible with reduced spin and an anti-vibration mat. Avoid running the dryer overnight (too noisy). Alternative: wash off-peak, air-dry. Or use a laundromat for bulky loads. - 🎓 **Student / small flat** — A TOU tariff is rarely worthwhile if your total electricity consumption is low. A laundromat is often cheaper and more practical than buying a washing machine plus paying for an off-peak tariff. - 👨‍👩‍👧‍👦 **Large family** — A TOU tariff pays for itself with 4-5 loads per week plus dryer and dishwasher. Programme a nightly schedule (washer 4-6 am, dryer 6-8 am). Use a laundromat for duvets and blankets. ## Laundromat off-peak: it exists too The concept of off-peak does not just apply to your electricity tariff. In a laundromat, busy vs quiet slots affect your comfort and efficiency, even though the machine price stays the same. Quiet hours at a Speed Queen laundromat are typically weekday mornings (8-10 am) and early afternoons (1-3 pm). During these slots you have your pick of machines, no wait for dryers and a calmer environment for folding. Saturday morning (9 am-noon) is the busiest slot -- avoid it if you prefer peace and quiet. An under-appreciated advantage of laundromats vs washing at home: the electricity is included in the machine price. You do not need to worry about peak vs off-peak on your personal contract. Whether you come at 8 am or 6 pm, the cycle costs the same. The only "off-peak" benefit in a laundromat is the comfort of more machines available and less waiting. > These off-peak savings apply to everyday laundry (clothing, sheets, towels). > For **duvets, curtains, rugs and blankets**, a laundromat is the most > practical solution: no off-peak scheduling needed, [professional 9-18 kg > machines](/en/prices/index.md) available any time, wash + dry done in 1 hour. It is > also the only way to properly wash a double duvet -- no domestic machine > offers the drum volume required. **Produit recommandé** *Cet article contient des liens affiliés. Les prix et la disponibilité peuvent varier.* ## Sources and references - Ofgem (UK) -- Economy 7 and time-of-use tariffs - US Department of Energy -- time-of-use rate programmes - Appliance energy consumption data (EU energy labels)