We design and carry out bathroom renovations for homeowners in Harrow who want practical, well-finished spaces built to last. From full strip-outs to modern replacements, our bathroom projects are carefully managed, compliant, and completed with attention to detail.
Trusted by local homeowners for reliable, high-quality bathroom renovations across Harrow and North West London.
A bathroom renovation involves upgrading or replacing existing fixtures, finishes, and services to improve functionality, comfort, and durability. This can range from a straightforward replacement to a full reconfiguration of the space.
Homeowners choose bathroom renovations to:
Replace outdated or worn bathrooms
Improve layout and storage
Upgrade plumbing, electrics, and ventilation
Add value and improve daily usability
We work on main bathrooms, en-suites, cloakrooms, and family bathrooms.
Complete strip-out and replacement, including plumbing, electrics, tiling, fixtures, and finishes.
Repositioning baths, showers, toilets, or basins to improve space and flow.
Replacing baths with walk-in showers or converting unused spaces into shower rooms.
Installing walk-in showers, slip-resistant flooring, and practical layouts for easier access.
We assess the existing bathroom, plumbing routes, ventilation, and structure to define the scope of work.
Layouts, fixture choices, and finishes are agreed to ensure the bathroom is practical and buildable.
Plumbing, electrics, waterproofing, and tiling are completed in the correct sequence, with inspections where required.
Final fittings are installed, all systems are tested, and the bathroom is handed over ready for use.
Bathroom renovations rarely require planning permission, as most work is internal.
All bathroom renovations must comply with Building Regulations, including:
Electrical safety in wet areas
Ventilation requirements
Waterproofing and drainage
Structural changes, where applicable
We ensure all work meets current standards and is properly certified.
Proven experience delivering bathroom renovations in Harrow
Strong plumbing and electrical coordination
Waterproofing and tiling expertise
Careful work in occupied homes
Fully insured and regulation compliant
"LA Construct did a great loft conversion for my family home. Professional from the start, would highly recommend."
- Adrian D, Harrow
"I couldn’t be happier with the work done by LA construct on my bathroom fit-out. From start to finish, the entire process was smooth, professional, and hassle-free. The team was punctual, tidy, and their attention to detail was second to none."
- Darren S, Pinner
"Overall it was top quality with a positive experience and wouldn’t hesitate a minute to recommend Ari!"
- Chandra M, Pinner
We understand the technical requirements of bathrooms and wet areas.
Plumbing, waterproofing, and finishes are completed in the right order.
Regular updates and a single point of contact throughout the project.
Clear quotations following a site visit, with no hidden costs.
We take pride in delivering high-quality building projects across Harrow and surrounding areas.
Recent bathroom renovation projects in Harrow




Bathroom renovation costs in Harrow typically range from £6,000 – £15,000, depending on size and specification.
Costs are influenced by:
Bathroom size and layout changes
Plumbing and electrical upgrades
Tiling type and coverage
Fixtures and fittings chosen
Waterproofing and ventilation requirements
All quotes are tailored to the specific bathroom and scope of work.
Answers to some of the most common questions we’re asked about bathroom renovations.
Planning permission is not usually required, as bathroom renovations are internal works. Permission may be needed if structural or external changes are involved.
Most bathroom renovations take between 1 and 3 weeks, depending on the size of the bathroom and the level of work involved.
Building regulations approval is required for electrical work, ventilation, drainage, and any structural changes. All work must comply with current regulations.
No. Once work begins, the bathroom will be out of use until completion. Alternative arrangements should be made.
A full renovation usually includes strip-out, plumbing and electrical work, waterproofing, tiling, installation of fixtures, and final finishes.
Yes, layouts can be changed, but this may increase cost and duration due to plumbing and drainage alterations.
Yes. Proper waterproofing is essential and carried out before tiling to prevent future leaks and damage.
Yes. Many renovations involve replacing baths with walk-in or low-profile showers, subject to space and drainage suitability.
There will be noise, dust, and temporary loss of water at certain stages, but disruption is usually limited to the bathroom area.
Yes. Electric underfloor heating is commonly installed during bathroom renovations and must be correctly specified and installed.
A modern, well-finished bathroom can add value and improve the overall appeal of a property.
Yes. Mechanical ventilation is required where there is no opening window, and must meet building regulations.
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Simply contact us to arrange a free site visit. We’ll discuss your ideas, assess your property, and give honest advice on the best way forward.