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Building Spares Market

Buy and sell spare and second hand building materials in the UK

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Building Site Equipment
Doors, Windows and Joinery
Everything Else
General Building Materials
Insulation
Kitchens, Interiors and Flooring
Landscape Gardening and Groundworks
Painting and Decorating
Plasterboard
Plumbing, Heating and Bathrooms
Roofing Supplies and Cladding
Timber
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How it Works

Building Spares Market is a free UK marketplace for buying and selling unwanted building materials.

Using the Building Spares Market is easy.

Purchasing…

To message a seller, register an account (1 min). Then go their advert page and send them a message.

Selling…

To create an advert, register an account (1 min) and then complete the Create an Advert form in the main menu (2 mins).

Register here

About

You can buy and sell anything related to construction, DIY and landscaping on the Building Spares Market.

We want to give every builder, tradesman or DIY enthusiast in the UK a quick and simple way to offload their spare materials. We also want everyone to be able to find discounted, sustainable, quality building spares from tradesman and DIYers in their local area.

The perfect place to find materials for your DIY home building project.

Register here to message a seller or create your own advert.

(BOXED) Nuie Wetroom Screen + Ceiling Post

Written by pierrick419 19 August 202519 August 2025

COLLECTION ONLY OFFERS WELCOME Retail price: £259.95 We recently needed to fit a non return valve to our shower and were wrongly advised to buy such item – which in the end we did not need so it is brand new and still boxed. You will find this item on the Victoria Plumbing site Nuie … Continue reading “(BOXED) Nuie Wetroom Screen + Ceiling Post”

Spare bricks

Written by Rich0508 19 August 2025

We have 6 packs of blue black multi smooth bricks and 12 packs of burwell buff facings, still packaged. Priced to sell at £80 per pack.

22 Howdens doors (unopened in boxes)

Written by London Building Supplies 18 August 202531 October 2025

22 unopened Howdens linear doors.(in original packaging). Multiple finishes (white, grey oak). Offers for entire collection only. Also have a range of unopened Howdens kitchen cabinetry and tiles which can be included for free. Range of other excess building supplies for free also. Available for collection only in W10 London.

Rosemary plain clay tiles

Written by Steve A 18 August 2025

Vintage blue/red Rosemary plain clay tiles 6 1/2″ x 10 3/4″ (16.5 x 27.5 cm) approx 200 available – more if required. Buyer collects

Hardwood front door with keys

Written by Steve A 18 August 202531 October 2025

762 x 1930 painted hardwood door with top half glazed cottage panessection and keys for both 5 lever dead lock and Yale latch. Brass post flap included. Buyer collects – £55 or near cash offer.

Reconstituted Stone Columns

Written by Adrian Rowles 18 August 202531 October 2025

Set of four stone columns carefully taken down and ready to transport. including capitals and bases 260mm diameter x 2400mm high

Rockwool sound insulation for partitioning walls and floors

Written by Ellie 17 August 2025

Rockwool sound insulation – 50mm thickness, 600mm width, coverage 8.64m2. Suitable for application in walls, floors and lofts to control home acoustics. The acoustic slab also repels water and is vapour permeable, resisting rot and mould. To reduce noise from adjacent rooms or properties within the same dwelling. Unused – surplus to requirements. Retail price … Continue reading “Rockwool sound insulation for partitioning walls and floors”

100m 33mm electric flexy duct

Written by Jayjay432 6 August 2025

£60 each or all 18 for 800, brand new are £120+

Fermacell Fibre Gypsum Board – 15mm Full Boards (21 available)

Written by cg007 5 August 202531 October 2025

I have 21 full sheets of 15mm Fermacell fibre-reinforced gypsum board available. 📐 Size: Standard 2400 x 1200mm (8x4ft) 📦 Thickness: 15mm ⚖️ Weight: ~40kg per sheet (very solid – bring help for loading!) Fermacell is a premium alternative to plasterboard – strong, dense, and ideal for: • Partition walls • Acoustic and fire-rated builds … Continue reading “Fermacell Fibre Gypsum Board – 15mm Full Boards (21 available)”

Halite Front Bath Panel

Written by George Farrell 4 August 2025

Halite high gloss white bath panel, 100% waterproof, scratch resistant , light weight and heavy duty. Length 1700mm Height adjustable . New unused change of design for bathroom left this surplus.

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