No Ofgem price cap for offices — compare 350+ commercial tariffs and cut your bills by 15–30%, free, no obligation.
Compare Office Energy NowOffice Energy Comparison UK
No Ofgem price cap for offices — compare 350+ commercial tariffs and cut your bills by 15–30%, free, no obligation.
Compare Office Energy Now
Office Energy Comparison UK — No Price Cap Means Regular Comparison Is Essential
5 Signs Your Office Is Paying Too Much for Energy
Three commercial realities: no price cap protection, renewal window rules, and wholesale market volatility make regular comparison essential for every UK office.
Contract expired 30+ days ago
You are on a deemed rate — the most expensive tariff your supplier offers. Switch immediately to stop the overpayment.
No comparison in 12+ months
The commercial market changes quarterly. Deals that were expensive a year ago may now be competitive — and vice versa.
Renewal letter had no market comparison
Your supplier's renewal offer is rarely their best rate. Suppliers reserve sharpest pricing for businesses actively comparing.
Electricity over 27p/kWh or gas over 9p/kWh
On a standard variable tariff at these rates? Fixed deals available through Switch sit well below these levels.
Office has grown, contract unchanged
More staff, more equipment, more consumption — but the same old tariff. Renegotiate based on current usage for accurate pricing.
How Much Energy Does a UK Office Use? — 2026 Benchmarks
Accurate usage data produces more precise quotes. Based on average 2026 commercial electricity rate of 26.5p/kWh and gas rate of 8.4p/kWh. Actual bills vary by region, meter type, HVAC, and IT load.
← Swipe to see all columns →
What Drives Office Energy Costs?
Understanding these six cost drivers helps you choose the right tariff and compare suppliers on a like-for-like basis.
IT Equipment Load (50–70% of electricity)
Servers, workstations, monitors, and network hardware. A 20-person office with older desktops can use 30,000+ kWh/year on IT alone. Virtualisation and sleep policies reduce this.
Lighting Systems (20–30% of bill)
Legacy fluorescent uses 3–5× more than LED. A full LED retrofit with occupancy sensors pays back in 12–18 months and saves £400–£1,200/year.
HVAC — Heating & Cooling
Primary driver of gas consumption. Inefficient boilers, poorly zoned heating, and empty spaces heated overnight add £1,000–£5,000/year in unnecessary costs.
Operating Hours & Staff Count
Standard 9–6 vs 24/7 — very different consumption profiles. Time-of-use tariffs offer cheaper off-peak rates for offices with concentrated usage periods.
UK Regional Rates
Commercial electricity unit rates vary up to 15% across the UK's 14 distribution zones. Switch uses your postcode for regionally relevant tariffs only.
Contract Type & Age
Offices on expired contracts pay the highest rate. A fixed 12–24 month contract secured at the right time typically saves 20–35% versus an out-of-contract rate.
How to Run an Office Energy Comparison UK — 4 Steps
Under 5 minutes. No paperwork. Supply never interrupted.
Gather Your Office Energy Details
Business postcode, current supplier, MPAN/MPRN from your bill, annual kWh, contract end date, and payment method.
Compare Live Commercial Tariffs
Every available tariff ranked by total annual cost. Filter by fixed/variable, contract length, green certification, and payment method.
Select Your Tariff and Confirm
Choose your deal and confirm. You never contact your existing supplier — Switch and your new supplier handle the transfer notification.
Switch Completes, Supply Continues
New contract activates within 5–28 working days. Supply never interrupted. Take meter readings on switchover day for accurate billing.
Which Office Energy Tariff Is Right for You?
Choosing the right tariff type matters as much as finding the lowest unit rate. Here are the three main options for UK offices.
Fixed-Rate Tariff (Recommended for Most Offices)
Unit rate locked for 1–4 years. Protects against market price spikes. Easier to budget accurately. Best for offices that need cost certainty — especially ahead of market volatility expected in late 2026.
Variable-Rate Tariff
Unit rates track wholesale prices. Benefits when wholesale prices fall — but exposes the business to sharp increases. Best for offices with strong cash flow and active energy market monitoring.
Half-Hourly (HH) Metered Tariff
Required for offices using 100,000+ kWh/year. Consumption recorded every 30 minutes. Enables accurate billing and potential savings by shifting energy-intensive tasks to off-peak periods. Requires a bespoke quote — call Switch on 01926 942125.
Commercial Office Energy vs Domestic Energy — What You Need to Know
Office energy contracts operate under different rules, protections, and pricing than domestic tariffs. These differences make regular comparison especially critical.
← Swipe to see all columns →
8 Ways Offices Reduce Energy Bills Beyond Switching Supplier
Securing the best rate is the highest-impact action. These operational changes compound those savings.
LED lighting + occupancy sensors
Saves £400–£1,200/yr for a 20-person office. Full retrofit pays back in 12–18 months.
IT power management policies
Group Policy sleep mode mandates cut per-workstation consumption 30–50%. Zero capital cost.
Zone heating at 19°C
Each degree below 21–22°C cuts heating costs 8–12%. Set timers to match occupancy.
AMR or smart meter installation
Half-hourly data reveals peak load patterns and quantifies ROI of every efficiency measure.
Audit phantom loads
Standby equipment accounts for 10–15% of total electricity. Smart plugs identify and eliminate waste.
Rooftop solar PV + battery
For owned premises — offsets 20–40% of electricity consumption. ROI typically 6–10 years.
Energy Performance Contract (EPC)
Efficiency upgrades financed against guaranteed savings at zero net cost to your business.
Staff awareness dashboards
Visible energy displays and training programmes consistently reduce usage by 5–10%.

Compare Office Energy Tariffs — Under 5 Minutes, Zero Obligation
Frequently Asked Questions — Office Energy UK
How much energy does an average UK office use per year?
A small office (under 10 staff) uses 15,000–25,000 kWh electricity/year. Medium offices (10–50 staff): 25,000–50,000 kWh. At 26.5p/kWh, a 20-person office's bill is £6,500–£13,000.
Is there a business energy price cap for offices?
What is a deemed contract?
What do I need to compare office energy tariffs?
Do offices pay VAT on energy at 20%?
Can my office get a 100% renewable energy tariff?
How long does it take to switch office energy?
What is the Climate Change Levy (CCL)?
Compare Office Energy Tariffs Now — Under 5 Minutes, Zero Obligation
With no business energy price cap protecting UK offices, the only way to guarantee a fair rate is to compare the full market at every renewal. Switch runs a free, fully independent office energy comparison UK. Expert support: 01926 942125.
Latest from our experts
How to Cut Your Household Bills: A Practical Checklist
The biggest household savings usually come from a handful of recurring bills you set once and forget. This checklist walks through energy, broadband, mobile and the silent subscriptions — and the order to tackle them in.

eSIM vs Physical SIM: Which Should You Choose?
eSIMs let you switch network without waiting for a SIM in the post — but they are not right for everyone. Here is how eSIMs work, the pros and cons versus a physical SIM, and how to check if your phone supports one.

How to Run a Broadband Speed Test (and What the Numbers Mean)
Download, upload, ping, jitter — a broadband speed test throws a lot of numbers at you. Here is how to run one properly and read the results, so you know whether your connection is underperforming or you simply need a better deal.
How to Switch Energy Supplier: A Step-by-Step Guide
Switching energy supplier takes minutes to start and about five working days to complete — with no interruption to your gas or electricity. Here is exactly how it works, what you need, and the traps to avoid.

SIM-Only vs Contract 2026: Real Savings + How to Switch
Out of contract? You could save around £300 a year by going SIM-only. We do the 24-month maths, then walk you through PAC, STAC and eSIM switching in under an hour.

Broadband Mid-Contract Price Rises 2026: Can You Escape?
Most big UK providers added £3–£4 a month to broadband bills in April 2026. Here’s who charges what, when you can cancel penalty-free, and the tariffs that never raise prices mid-contract.
What Your Appliances Cost to Run From July 2026
Electricity hits 26.11p/kWh on 1 July 2026. We’ve priced every major appliance per use and per year — and found the swaps that save £100+ without going cold.
Energy Price Cap July 2026: New Rates & Should You Fix?
Ofgem’s price cap rises 13.5% to £1,862 a year from 1 July 2026. See the new unit rates and standing charges, what the rise really means for your bill, and whether fixing now beats the cap.