• A minimalist white plastic spacer plate designed to extend a faceplate away from the wall, placed next to a double light switch.
  • Three rectangular plastic spacer plates for light switches or sockets, laid out on a wooden surface. They are white in colour and each have a different thickness, showing that they are custom made for different requirements.
  • A close-up image of a black minimalist socket spacer plate, placed between a backbox and faceplate to extend the lightswitch away from the wall.
  • Three socket spacer plates in matte white, grey, and black, showing the colour range available.
  • Overhead view of black 'Single Gang' and 'Double Gang' socket spacer plates on a white background, with text indicating their default sizes of 86.5mm square for single gang, and 146.5mm x 86.5mm for double gang.
  • Close-up of two black socket spacer plates, showing one with fixing lugs and the other without fixing lugs (screw hole guides).
  • Close-up of two black socket spacers / extension frames with different corner radiuses, showing there are options for how rounded the corners of the plates are (2mm radius or 5mm radius).
  • Close-up of a double gang lightswitch with faceplate cover removed, showing how a socket spacer can be used to give extra depth between the backbox (or wall) and faceplate.
  • Three rectangular socket spacer / extension frames in white, gray, and black with labels above each to show the different colours available.
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2d6 Designs

Light Switch & Plug Socket Spacer - 2mm to 20mm | Back Box Extension Plate & Slimline Faceplate Extender (UK Standard, Custom Sizes)

Light Switch & Plug Socket Spacer - 2mm to 20mm | Back Box Extension Plate & Slimline Faceplate Extender (UK Standard, Custom Sizes)

£6.00
£8.00 £6.00
Sale Sold out
Taxes included.
Colour: Black
Gang Size
Thickness: 2mm - 20mm, Width/Height: +/- 20mm, Corner Radius: 2mm/5mm

Light Switch & Plug Socket Spacer Plate - Extend Faceplates from the Wall for a Clean, Flush Fit

Bring your sockets and switches flush with your wall or tiles - or create more room for wiring behind slimline faceplates - using our 3D-printed light switch and plug socket spacers. Available in 2mm to 20mm thicknesses, with or without fixing lugs, and choose from 2mm to 5mm corner radius for the perfect fit and style.

 

Key Features

  • ✅ Fix Sunken or Recessed Sockets - Bring your faceplate level with the wall after tiling, plastering or redecorating.
  • ✅ Create Space for Wiring - Ideal for slimline sockets or crowded back boxes where wiring space is tight.
  • ✅ Compatible with All UK Standard Sockets & Switches - Single or double gang. Custom width and height available. 
  • ✅ Available in 2mm-20mm Thicknesses - Precise depth options to suit any installation.
  • ✅ Custom Corner Radius - 2mm radius (standard) to 5mm to better match faceplates with rounder corners.
  • ✅ With or Without Fixing Lugs - Choose with or without fixing lugs (screw hole guides).
  • ✅ UK-Made & 3D-Printed - Durable, lightweight, temperature-resistant matte-coloured plastic, custom made to order.


Description

Our light switch and socket spacers are designed to solve two of the most common electrical fitting problems in UK homes:

  1. Fixing sunken or recessed sockets - When plastering, tiling, or redecorating makes your wall thicker, the faceplate can sit too far back. This spacer fits between the back box and faceplate, bringing it forward so it sits perfectly flush.
  2. Creating more space behind the faceplate - Modern slimline sockets and switches have less internal depth, making it harder to fit wiring neatly. Adding a spacer gives a few extra millimetres of clearance, making installation easier and safer.

Each socket extender plate is precisely 3D-printed for a snug, minimalist fit and available in thicknesses from 2mm to 20mm. You can also choose from 2mm rounded corners (standard) to 5mm radius to better match a faceplate with rounder corners.

Available Sizes & Uses

Thickness Common Uses
2mm–3mm Minor plaster or paint depth correction, tight slimline faceplates
4mm (Most Popular) Typical plaster or tile thickness, standard wall adjustment
5mm–10mm Tiled or uneven walls, shallow back boxes, or slimline upgrades
12mm–20mm Deep recesses, double tiling, or major back box extension

Custom sizes available on request.

Specifications

  • Material: High-quality matte plastic
  • Thickness Range: 2mm–20mm
  • Corner Radius Options: 2mm (standard) to 5mm (rounded).
  • Fits: UK 1-gang (86.5×86.5mm) & 2-gang (146.5×86.5mm) sockets and switches. All sizes customisable +/- 20mm.
  • Colours: Matte Black, White, or Grey
  • Options: With or without fixing lugs
  • Made in: United Kingdom

 

Installation Guide

  1. Turn off power at the mains.
  2. Remove the socket or switch faceplate.
  3. Place the spacer between the back box and the faceplate.
  4. Reattach using longer screws if needed (available at most DIY stores).
  5. Tighten evenly - the faceplate should now sit flush and secure.


FAQs

Can I use this for both sockets and light switches?
Yes - these spacers fit all UK standard light switches and plug sockets, and can be customised to unique sizes if needed.

How do I know which thickness I need?
Measure how far your socket is recessed behind the wall or tile. Choose the matching spacer thickness - 4mm is the most common.

Will this help with slimline faceplates?
Yes! Adding a 2mm–6mm spacer gives extra wiring clearance behind slimline fittings.

What does the corner radius mean?
The corner radius affects how rounded the corners are. 2mm radius matches most standard sockets, while 5mm radius is better for the curvier faceplates.

Do I need longer screws?
For thicker spacer plates, yes - choose screws longer than your spacer thickness to ensure a secure fit.


How to Fix or Adjust a Socket Using a Spacer

If your socket or light switch sits too far back after tiling, plastering, or repainting, simply use a socket spacer or back box extension plate to bring the fitting flush with the wall. It’s also ideal when upgrading to slimline sockets, giving you more space behind the faceplate to fit wires safely.

Our spacers are available in various thicknesses (2mm–20mm), so you can easily match the depth you need. Just fit the spacer between the wall box and faceplate - no need for messy filler or expensive electrical work.


⚠ Important Notes:

  • Since they are highly customisable, these spacers are made to order! Please allow 1-2 days for design and production before shipping.
  • Screws and sockets not included - this listing is for the plastic spacer plate(s) only.
  • Small imperfections or visible layer lines may occur due to the manufacturing process.
  • Always turn off power before installation.
  • Decorative item only - do not expose to extreme heat.

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