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How to Plan Your Perfect Bathroom Installation

Planning a bathroom renovation can feel overwhelming, but it doesn’t have to be. This comprehensive guide will lead you through every aspect of creating the bathroom of your dreams, whether it’s a luxurious spa-like retreat or a practical family bathroom. Let’s transform that old, tired bathroom into something spectacular.

Understanding Your Space and Needs

Before getting excited about freestanding tubs and rainfall showerheads, consider who will actually be using the bathroom. A master ensuite has different needs than a family bathroom, which must handle the busy demands of morning routines and bath times.

The first step in your journey is honest reflection. Do you long for a peaceful sanctuary where you can soak away the day’s stress? Or do you need a highly functional space that can handle multiple family members during the morning rush?

 Perhaps you’re planning an ensuite that needs to work for two people getting ready simultaneously? Your answer will shape every decision that follows.

The All-Important Measurement Phase

Nothing derails a bathroom renovation faster than realising that the gorgeous vanity you’ve fallen in love with won’t actually fit through your door. Before you start shopping, you need precise measurements of everything. And we mean everything.

Get out your tape measure and note down: 

  • The room’s total dimensions, including ceiling height 
  • Window and door positions (including which way doors swing) 
  • Current plumbing locations 
  • Distance between key features 
  • Location of soil pipes and ventilation

Make several copies of these measurements – you’ll need them when shopping, talking to contractors, and planning your layout. Don’t forget to measure doorways and any tight corners that materials will need to navigate during installation.

 These measurements will become your best friend when you’re shopping for fixtures and planning your layout.

bathroom installation infographic

Creating Your Perfect Layout

The way you arrange your bathroom can make or break its functionality. Research by the Bathroom Manufacturers Association reveals that poor layout is the primary cause of frustration among UK homeowners.

Think about your daily routine. When you stumble in first thing in the morning, what do you reach for first? Your layout should support your natural patterns of movement.

Consider the space between elements. You’ll want about 70cm in front of a toilet or basin for comfortable use. A shower door needs enough clearance to open without hitting anything. These small details make the difference between a bathroom that works and one that constantly frustrates.

Some golden rules of bathroom layout: 

  • Position your toilet out of the immediate sight line when the door opens 
  • Keep your toilet away from food preparation areas if possible
  •  Ensure towel rails are within easy reach of shower and bath 
  • Consider mirror placement in relation to natural light 
  • Plan storage where you’ll actually use it

Understanding Your Plumbing System

Before you fall in love with that power shower, you need to understand your home’s plumbing system. Different water systems support different fixtures, and getting this wrong can be an expensive mistake.

Your home likely has one of three systems: 

  • Gravity-fed system with a cold water tank in the loft and a hot water cylinder 
  • Combi boiler system providing instant hot water 
  • Unvented system with a pressurised cylinder

Each system has its own pressure requirements and limitations. That rainfall shower head might look amazing, but if your water pressure can’t support it, you’ll end up with more of a drizzle than a downpour.

Choosing Your Style: Materials and Fixtures

Select materials that balance aesthetics with practicality. Modern bathroom designs often combine different textures and materials to create visual interest while maintaining functionality. Consider factors like slip resistance for flooring and ease of cleaning for wall surfaces.

Material TypeBenefitsBest Used For
PorcelainDurability, water resistanceFlooring, wall tiles
Natural StoneUnique patterns, luxury feelFeature walls, countertops
GlassLight reflection, easy cleaningShower screens, decorative elements
Solid SurfaceSeamless appearance, repairableVanity tops, shower walls

Creating the Right Atmosphere

Bathroom lighting needs to perform multiple roles, from bright, clear light for makeup application to soft, ambient light for relaxing baths. The key is layering different types of lighting to create flexibility.

Natural light is your best friend for daytime use, but you’ll need well-planned artificial lighting too. Consider having your lighting on different circuits so you can control the mood. Task lighting around mirrors is essential for grooming, while softer lighting elsewhere creates ambience.

Remember that bathroom lighting must meet specific safety requirements. All light fittings need appropriate IP ratings based on their location in relation to water sources. Your electrician will need to ensure all installations meet current regulations.

Practical Storage Solutions

bathroom storage

Your bathroom needs to work hard for you. Think vertically with tall storage units that maximise space without compromising floor area. A vanity unit with built-in storage keeps everyday items close at hand while maintaining a clean, uncluttered look.

Installation Timeline: What to Expect

A typical bathroom installation progresses through several key phases:

  • Phase 1: Removal and Preparation The existing bathroom is removed, and the space is prepared for new installations.
  • Phase 2: First Fix Installation of new pipework, electrical circuits, and any structural modifications.
  • Phase 3: Waterproofing and Tiling Application of waterproofing systems and installation of tiles or wall coverings.
  • Phase 4: Second Fix Installation of fixtures, lighting, and finishing touches.
  • Phase 5: Final Checks Testing of all systems and final quality inspections.

Managing Your Budget Effectively

. Here’s your essential cost checklist:

  • Set aside 15-20% of your budget for unexpected issues
  • Prioritise quality for items you use daily (taps, shower, toilet)
  • Consider installation costs for any layout changes
  • Factor in waste removal and cleanup

Get Started with G&M

Picture of a bathtub in G&M's showroom

Our team of experts is ready to help transform your bathroom into a space you’ll love. Visit our bathroom showroom in Colchester to explore the latest trends and solutions, or contact us to start your bathroom journey today.

Ready to take the first step? Download our bathroom planner now and get in touch with our team for more information.

Frequently Asked Questions

How much does a new bathroom installation cost?

The average bathroom renovation cost in the UK ranges from £3,000 to £15,000, depending on the size, materials, and complexity of the installation.

How long does a bathroom installation take?

A standard bathroom fitting service typically takes 2-4 weeks, while a luxury bathroom installation might require 3-5 weeks.

Do I need planning permission for a bathroom renovation?

Most bathroom renovations don’t require planning permission unless you’re extending the space or making structural changes.

Can I use my home during installation?

 While you can typically continue living in your home, you’ll need alternative bathroom arrangements during the installation.

How do I choose the right fixtures? 

Selection should be based on your water system capabilities, space requirements, and personal preferences. Our experts can guide you through suitable options.

Can I install a bathroom myself?

While DIY is possible for simple updates, professional bathroom fitting services are recommended for full installations to ensure compliance with building regulations and proper waterproofing.