Sustainability shouldn't be a luxury. Here are the highest-scoring ethical electronics & tech that are recorded in approximate price bands associated with £100. Check the current total before buying.
TL;DR
The best ethical electronics & tech under £100 is Fairphone 4 5G 128GB by Fairphone (94/100). Runners-up: Fairphone 4 5G 128GB Grey, Fairphone 4 5G Unlocked Smartphone, Fairphone 4 5G 128GB (Dual Sim).

Fairphone
The Fairphone 4 5G is a highly ethical, modular smartphone that excels in repairability and fair labour practices, making it the top choice for conscious UK tech buyers.

Fairphone
The world's most ethical smartphone, designed with a modular structure for easy repair and fair-trade mineral sourcing.

Fairphone
The Fairphone 4 5G is a pioneering modular smartphone offering industry-leading repairability and fair-sourced materials for UK consumers seeking ethical electronics.

Fairphone
The Fairphone 4 5G is the best sustainable smartphone for UK users, offering a modular design by Fairphone that allows for easy at-home repairs and a 5-year warranty.

The Fairphone Fairbudds XL are sustainable over-ear headphones featuring a modular, repairable design and recycled materials for eco-conscious UK music lovers.

The Fairphone Fairbuds offer a repairable design with replaceable batteries, making them the ultimate sustainable choice for eco-conscious UK listeners seeking longevity.

The Fairphone 4 Protective Soft Touch Case is a sustainable, 100% recycled accessory designed for a perfect fit, offering durability without compromising the planet.
Fairphone
The Fairphone True Wireless Earbuds are a sustainable audio choice featuring fair-sourced gold and recycled plastics, offering UK consumers high-quality sound with ethical integrity.

The Fairphone XL Over-Ear Wireless Headphones offer a modular, repairable design with Fairtrade gold integration, making them the most sustainable premium audio choice in the UK.

The Nimble Apollo is a high-performance wireless charger made from recycled silicone and plastic, including a free recycling bag for your old electronic waste.

The AIAIAI TMA-2 Studio XE provides professional-grade audio with a modular design, allowing UK users to repair and upgrade individual parts for maximum sustainability.

Txtr's Bamboo Wireless Bluetooth Speaker offers sleek, sustainable design with 10-hour playtime and wireless charging. Ideal for UK eco-conscious consumers looking for a stylish audio solution.

House of Marley
The House of Marley Redemption ANC 2 True Wireless Earbuds offer sustainable noise cancellation using bamboo and recycled materials for eco-conscious UK audiophiles.

pCloud Premium 500GB Lifetime Storage is a carbon-neutral cloud solution by pCloud offering Swiss-level privacy and eco-friendly data centres for UK users.

Gerrard Street
The Gerrard Street Prince Wireless Modular Headphones offer a fully repairable design and premium sound, making them a top ethical choice for UK audiophiles.

BioLite
The BioLite SolarPanel 5+ is a highly efficient 5-watt portable solar charger featuring an integrated battery and sundial for optimal UK outdoor power generation.

Amazon Renewed
The Apple iPhone 12 (Renewed) by Amazon Renewed offers a premium UK smartphone experience with a lower carbon footprint and rigorous 12-point functional testing.

Amazon Fire HD 10 Plus refurbished: Enjoy 64GB storage, wireless charging & USB-C, and hands-free Alexa in this eco-friendly and affordable tablet.

House of Marley Get Together Mini is a B Corp certified portable Bluetooth speaker with 10-hour battery, made from recycled plastics and bamboo, offering a premium eco-friendly choice for UK music lovers.

EcoBotica's Eco-Riffic Speaker offers powerful 360° sound in a stylish case made from 100% recycled plastic. Enjoy 12 hours of playtime and connect via Bluetooth 5.0. Ideal for eco-conscious music lovers in the UK.
Start with compatibility and the job the device must do. Check software support, repair options and the full ownership cost before paying for a higher specification.
| Check before buying | Why it matters | Trade-off or limit |
|---|---|---|
| Ports, platforms and UK compatibility | Check your existing devices, required adapters and UK power arrangements. | A headline feature may require extra accessories or a particular operating system. |
| Support, privacy and repair | Look for stated update periods, replaceable batteries and available parts. | An inexpensive connected device can become less useful when updates end. |
| Energy and subscription costs | Compare measured consumption where available and any required monthly fees. | An eco mode alone does not establish low annual running costs. |
Common mistake: Do not infer performance, water resistance or battery life from a model name; check the exact version and test conditions.
Check the current checkout price, delivery and any essential accessories. Price bands are approximate; a product in a band is not a guaranteed live offer below £100. Compare unit prices and ongoing supplies before deciding that the smaller or cheaper pack is better value.
Price alone does not establish sourcing or certification. Compare the exact item, pack size, evidence and running costs, then confirm its current checkout price.
Same methodology as the full Electronics & Tech ranking — recorded 0–100 scores, with Quality, Value, User Experience and Brand & Trust shown on product pages, filtered to products under £100.
Some outbound retailer links are affiliate links. They never influence rank or selection.