Adding an Ensuite to a Bedroom

Jigsaw • 3 February 2023

Unlike a shared bathroom, an ensuite is the ultimate retreat; a space you can claim as your own. With an ensuite, there will be no need to rush to go about your daily routine in the bathroom as your other family members use the main bathroom.

The resale value that ensuites add to homes is also another reason why you should consider installing one in your home. If you plan things right, especially when it comes to plumbing and electrical wiring, you can save hundreds, giving you greater potential returns on your investment.

Jigsaw Construction Surrey LTD are often asked how to add an ensuite to a bedroom. There are three ways to do this:

1. Building an ensuite inside an existing bedroom layout

If you have a large bedroom, you may be able to build an ensuite within it by partitioning off a section of the room. Extra walls will be needed, and these will normally be stud walls created with a timber frame with plasterboard over the top. To avoid dampness problems, you should pick water-resistant plasterboard. For a bathroom, structural metal components that support the weight of wall-mounted basins are available. The cavity in this type of wall is ideal for hiding piping, cisterns, wiring and extra storage.

Most ensuites contain the basic three fixtures of a bathroom, a sink, a toilet, and a bath. A typical ensuite bathroom with minimum dimensions is around 1.5m x 1.3m. However, if you are running short on space, we recommend installing a standing shower instead, or possibly create room for the rest of your toilet fixtures by implementing a corner shower.

Bear in mind that you can only go so far to save space as going too small (the smallest size for a practical shower is 80cm quadrant) may result in a bathroom that’s not too pleasant to use. With the help of a seasoned bathroom designer, you can ensure you make the most of your space.

The type of door used for the ensuite could be a pocked door (that slides inside a wall) as this maximises space, otherwise you need to also consider the swing of the door.

Lighting

As ensuites built within a bedroom often do not have an existing window, lighting needs to be considered at the outset to ensure the room does not feel small & dingy.

Consider lighting circuits that allow you to control the bedroom and ensuite bathroom separately. You may require softer, dimmable lighting for your sleeping space, yet brighter task lighting for the bathroom.

You can boost artificial light to produce a spacious feeling, for example ceiling spotlights combined with a mirror unit with an integrated light.

2. Converting an adjacent room into an ensuite

Some people have a spare room which is not used much. If so, this could be converted into an ensuite. You would need to create an opening directly from the bedroom into the spare room and decide whether to remove the separate access altogether or to leave it as an additional access which may affect the privacy of your ensuite.

To save costs, it’s better to add an ensuite directly to an existing bathroom on the same floor, or above a bathroom on the lower floor. This avoids the need to redirecting plumbing, especially soil stacks and waste pipes, which can be costly.

In either of the above options, as the work is happening in an existing house no Planning Permission is required -unless your property is a listed building, but you will need to gain Building Regulations approval before and during construction.

The following features of a new ensuite bathroom may be included for building regulations approval:

· Drainage

· Ventilation

· Structural alterations

· Any electrical work

3. Building a bedroom extension or loft conversion

You may consider an extension to increase the size of the bedroom, or a loft conversion to move your bedroom into a loft space with more room for an ensuite. For either of these options, Jigsaw Construction Surrey are able to provide a quote which can include managing the project from start to finish- taking into consideration all aspects of the build from structural considerations through to regulation compliance and interior features and designs.

Many home extensions fall under what is known as ‘ permitted development ‘. Provided your plans meet all the conditions for this, you may not need planning permission. However, your extension will still need to meet Building Regulations

Whichever option you choose to create an ensuite, Jigsaw Construction Surrey can help. Just

get in touch hello@jcs-ltd.co.uk

by Lisa Woolnough 2 February 2026
If January is about fresh starts, February is where smart plans turn into real action . Homeowners across Surrey use this quieter month to lock in builders, refine designs, and get ahead of the spring rush, and it’s one of the most strategic times to plan a home improvement project. At JCS Ltd , we see it every year: the clients who plan in February enjoy smoother builds, better timelines, and fewer budget surprises. Here’s why February is the sweet spot for planning your home extension, renovation, or garden project . Why February Is a Power Month for Home Improvement Planning 1. Builder availability is still strong By March, diaries start filling fast. In February, reputable builders still have availability to properly scope your project, offer realistic timelines, and secure preferred start dates. 2. Time for proper design and permissions Planning permission, structural drawings, and building regulations all take time. Starting now means approvals are in place well before summer, avoiding last-minute delays. 3. Smarter budgeting for the year ahead February planning allows you to: Spread costs sensibly Avoid rushed decisions Secure materials before seasonal price increases 4. Spring-ready, stress-free builds Projects planned now are ready to break ground as the weather improves, without panic or compromise. On-Trend Projects Homeowners Are Planning Right Now Home Extensions Extra living space remains top of the list, especially: Open-plan kitchen-diners Rear and side extensions Light-filled family spaces Garden Rooms & Outdoor Living Perfect for: Home offices Wellness spaces Summer entertaining areas Renovations & Layout Improvements February is ideal for rethinking: Kitchen layouts Bathroom upgrades Whole-home refurbishments Why Early Planning Saves You Money (and Stress) Rushed projects often lead to: Higher labour costs Limited material choices Delayed completions Early planning means: Accurate quotes Clear timelines Fewer variations mid-build In short: less stress, better results . How JCS Ltd Helps You Get Ahead We guide you through the entire process: Initial consultation Design and planning advice Transparent pricing Professional project management No jargon. No pressure. Just clear, honest guidance.  Ready to Plan Your 2025 Project? February is the month when the best projects are quietly planned, before everyone else catches on. 📞 Book your free consultation with JCS Ltd today 📍 Serving Surrey and surrounding areas 🌐 Visit www.jcs-ltd.co.uk Plan smart now. Build beautifully later.
by Lisa Woolnough 2 January 2026
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