How did Codex pick the best strength training in London?

We started from the full set of claimed and verified strength training practitioners listed on Codex in London, then ranked by client rating (weighted by review count) and trust tier. Only profiles that have been claimed or verified by their owner qualify.

Are these strength training listings in London sponsored?

No. Ranking is editorial. Codex does not accept payment for placement on best-of pages — verified practitioners are ranked by client reviews and credentials only.

How often is the best strength training list for London updated?

The list rebuilds automatically from our directory whenever new reviews are posted or new practitioners are verified. The page is recrawled and republished within 24 hours.

What does "verified" mean on Codex?

Verified means we've reviewed the practitioner's credentials, identity, and (where applicable) insurance. Claimed means the practitioner has taken ownership of the profile but verification is still in progress.

Editorial best-of · 2026

Best strength training in London (2026)

Strength training builds force, muscle and resilience using barbells, dumbbells, machines or bodyweight — for performance, longevity and injury-proofing. On Codex, 5 strength training practitioners in London meet our criteria for this year's list.

How we rank

We start from every claimed and verified strength training profile in London on Codex. We rank by client rating, weighted by review depth, with a trust-tier multiplier (verified > claimed). The list rebuilds whenever new reviews come in. No paid placements.

Not sure which to pick? Ask Codex.

#1 · studio
Kennington Gym Crossfit + Hyrox
Gymnasium Kennington offers coached strength and conditioning in Kennington, South London. It is a B Corp certified gym group providing structured group training scaled to individual needs. Specialities include DELTΔ strength & conditioning, Athletica (higher-skill strength, gymnastics, conditioning), HYROX race-specific training, and a Run Club. They cater to beginners, busy professionals, ex-athletes, parents, and those interested in Hyrox & CrossFit.
crawled
#2 · studio
Crossfit TwentyThree | Strength in Numbers | Power in Community ...
CrossFit TwentyThree is a gym in Forest Hill, London, offering CrossFit and HYROX classes, as well as open gym access. They focus on building a supportive community and empowering individuals through fitness with a team of CrossFit Level 2 Coaches and a Registered Dietitian and Nutritionist.
crawled
#3 · studio
Gymnasium | Coached Strength & Conditioning · London
CrossFit Affiliate Hyrox Affiliate Certified B Corporation · Gymnasium. Expertly coached, class-based training across five London gyms. Built for everyone ...
crawled
#4 · studio
London Movement Lab
Functional movement, mobility and strength coaching for everyday athletes. Located in London.
crawled
#5 · studio
Crank Gym
Boutique indoor cycling and high-intensity classes in central London. Rhythm-based rides, strength circuits and a tight community.
crawled

Want the full strength training directory for London? Browse all strength training in London

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