Room × size
120 × 170 cm rug for the outdoor
By Emma Whitfield · Updated 22 September 2026.
A 120 × 170 cm (120 × 170 cm) rug is under coffee table only, home office desk zone, nursery play area. In a outdoor, this size is the primary recommendation – see the layout notes below.
See 120 × 170 cm rugs for the outdoor on Amazon.co.ukKeep it in place: rug underlay picks on Amazon.co.uk
Dual-use anti-slip rug underlay
One side for carpet, the other for hard floors such as wood, tile and vinyl. Several sizes on the listing.
Rugstore-Outlet Dual-use anti-slip rug underlay: see the price on AmazonRug-to-carpet gripper, 150 x 220 cm
Stops rugs creeping on fitted carpet; trim to size, no adhesive, washable at 30°C.
Rugstore-Outlet Rug-to-carpet gripper, 150 x 220 cm: see the price on AmazonPVC anti-slip underlay roll, 150 x 200 cm
Budget grid-pattern PVC mat you cut to the shape of the rug.
Generic PVC anti-slip underlay roll, 150 x 200 cm: see the price on AmazonNot on Prime? Start a free Amazon Prime trial for faster delivery. Affiliate links: as an Amazon Associate we earn from qualifying purchases, at no extra cost to you.
Layout: how 120 × 170 cm sits in a outdoor
Match the seating footprint plus 40cm each side. Standard 4-seat bistro: 160×230. 6-seat dining: 200×290 with UV-stable backing.
At 120 × 170 cm, this size delivers 2.0 m² of coverage – enough for under coffee table only. The room's traffic is classified medium, which means pile choice matters more than in a low-traffic room.
Styles that work at this size in this room
The pile-height sweet spot for a outdoor is flatweave polypropylene, hose-safe. At 120 × 170 cm, that filters the compatible styles:
- Outdoor & Garden – UV-stable polypropylene flatweaves for patios, decking, balconies and porches. Rinse with a hose. Not for indoor-only humidity.
What to avoid at 120 × 170 cm in this room
any natural fibre – mould risk in UK climate. Additionally at this size: a 120 × 170 cm rug centred in a room that needs extra coverage reads as undersized to the eye even if the maths add up. Measure the furniture footprint, not the room.
Frequently asked questions
Is 120 × 170 cm the right size for a UK outdoor?
Match the seating footprint plus 40cm each side. Standard 4-seat bistro: 160×230. 6-seat dining: 200×290 with UV-stable backing. A 120 × 170 cm rug is under coffee table only – check your furniture footprint against these dimensions before ordering.
Which styles work best?
In a outdoor, the pile height matters as much as the size. flatweave polypropylene, hose-safe is the sweet spot. The styles most commonly stocked at 120 × 170 cm for a outdoor are outdoor & garden.
What about a rug pad?
Non-negotiable – extends lifespan 40% (British Rug Council estimate). Cut the pad 5 cm shorter than 120 × 170 cm on each side. See the rug pad guide for which material suits your floor.
Our verdict
120 × 170 cm is a defensible pick for a UK outdoor when the furniture footprint matches – under coffee table only, home office desk zone, nursery play area. Above all, avoid the common mistake of sizing to the room's floor rather than to what the rug is meant to sit under.
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