The builder quoting your bathroom has done this a hundred times. You're about to do it once.
Right now you have a rough budget, a few builders to call, and a board full of bathrooms you love. What you don't have is a way to know whether the quote is fair, whether the contract protects you, or whether the variation you're asked to approve on a noisy site is real — or just easy money. The 12 Phase System closes that gap before the work starts, so whether you manage the build yourself or hand it to a builder, your bathroom turns out the way you planned it.
What is the Bathroom Renovation Blueprint?
It's the complete planning system for a UK bathroom renovation: the 12 phases, every cost, and the exact questions to ask, from design brief to completion certificate. Four interactive modules plus a Renovation Cost Calculator, working together as your bathroom renovation planner, risk guide and on-site handbook. Built to put you on equal footing with the trades, whether you run the job yourself or hire a builder. Yours permanently, for every bathroom you ever renovate.
Why do most bathroom renovations cost more than the quote?
Because the most expensive decisions are made before a single trade picks up a tool, and the homeowner is the only person in the room without a framework. The builder has a sequence. The tiler has a process. You have a mood board and a number you're hoping holds. nearly 2 in 5 renovations run over budget, and The blow-outs trace back to decisions made after work started: materials upgraded on the fly, scope that quietly grew.
A verbally approved variation that lands as a £3,000 invoice. Three quotes that aren't comparing the same scope. Final payment released the day before a defect appears. None of these are bad luck. They're the standard first-bathroom experience, and they're entirely preventable.
What does it cost to walk into a bathroom reno unprepared?
On a UK bathroom (typically £6,000 to £20,000, and more again in London and the South East), arriving unprepared runs into the thousands. Not as one bill you'd notice, but as a handful you don't.
Stop one unnecessary variation and the Blueprint has paid for itself many times over. It protects most when you have it before you sign anything.
Homeowners who walked into their bathroom reno prepared
What's inside the Bathroom Blueprint?
One system, four modules, plus the Renovation Cost Calculator. The Blueprint teaches you the 12 phases; the other three hand you the tools to run them.
Built from years of hands-on renovation experience. Every phase tested on real UK projects, not theory.
The Renovation Blueprint
The 12 Phase System in full: what should happen at every phase, when, and what to ask. 131 decision points across 12 phases.
The Protection Guide
48 costly mistakes, 15 trade red flags and 17 bathroom blind spots. What goes wrong on every bathroom, before it goes wrong on yours.
The Planning Toolkit
12 interactive tools that keep your budget, variations and payments under control, saving automatically and working offline.
The On-Site Handbook
5 reference sheets (measurements, build sequence, daily checks, payments, contacts) on your phone, with or without signal.
You walk into every site meeting knowing exactly what should be happening, and exactly what to say when it isn't.
Most homeowners rely on the builder to tell them what phase the job's at and whether each payment is fair. That's how control quietly slips away. The Blueprint hands it back, with a GO / NO-GO checkpoint at the end of every phase, so you never release money for work that isn't truly done.
Paying a milestone for tiling laid over a tanking membrane that wasn't flood-tested, or a vanity run that isn't finished. You know what “done” looks like before a penny leaves your account.
You walk in already knowing what goes wrong on a bathroom, before it has the chance to go wrong on yours.
Not theory. The specific things that go wrong on UK bathrooms: the charge-up arrangement that should have been fixed-price, the contract term no one flagged, the trade who won't put a major job in writing. Each one carries a documented pound range, and reading them before you sign changes what you ask and what you refuse to approve.
Signing with the wrong trade. You learn to read the warning signs in the quoting phase, before any money has changed hands.
Every number, every change and every payment in one place, so nothing slips past you and no one can rewrite the story later.
When a trade says “that was always extra,” the homeowner who can't point to the record is the one who pays. This is your bathroom renovation planner and site record in one: every quote, every variation in writing, every payment milestone, saved automatically and working offline. Six months from now, when a number is questioned, you'll have the page it was agreed on.
Stay on budget
- Budget Tracker
- Payment Tracker
- Variation Log
Stay on schedule
- Timeline Planner
- Procurement Tracker
- Materials & Selections Register
In control on site
- Site Diary
- Daily Inspection Checklist
- Defect & Snag List
Finish protected
- Compliance Certificate Tracker
- Warranty Register
- Renovation A–Z Checklist
The right numbers and the right questions in your pocket, so you can check any trade's work before they move on.
A bathroom site is loud, fast, and no place to read a manual. The Handbook strips everything down to 5 reference sheets built for your phone. When the tiler asks about falls to the gully or the electrician about zones and socket placement, you answer with the number, not a shrug.
Your bathroom is decided before the first trade arrives.
Built for how Britain actually renovates, across all four nations.
Every planning threshold, regulation, tax line and pound figure is the UK one, tuned to your nation.
All four UK nations covered
The planning and Building Regulations thresholds, the building-control route, the competent-person schemes and consumer rights, for England, Wales, Scotland and Northern Ireland.
UK building rules, in plain English
Mapped to the Building Regulations and Approved Documents, translated into what to check and when.
British trades & real GBP pricing
Built around how trades are certified here, Part P, Gas Safe and the competent-person schemes, with current pound-sterling costs throughout.
The details a building control inspector checks
Scald-safe hot water at the fixtures, the bathroom electrical zones and RCD protection of BS 7671, proper tanking and extractor ventilation, flagged before your trades start.
This Blueprint wasn't written from a textbook. Every phase, checklist and red flag came out of managing real renovations end to end, and it's written down so you can run yours the same way.
“After managing my own renovations end to end, the pattern was obvious: the difference between the build that runs to plan and the one that runs away is never luck. It's whether the owner knows what should happen next. That's the whole job of the Blueprint.”
Is the Bathroom Blueprint right for you?
Built for you if…
- You're planning a bathroom renovation of £6,000+, managing it yourself, or hiring a builder and wanting to stay in control
- You have quotes back and no reliable way to tell if they're accurate, comparable or fair
- You're about to sign a building contract and want to know exactly what to check first
- You've had a renovation go sideways before and are determined not to repeat it
- You're an investor managing a bathroom renovation on a rental anywhere in the UK
This is not a DIY construction guide
- You'll still hire competent, registered trades: Part P registered electricians and Gas Safe registered engineers; the system assumes you will
- What it teaches is everything around the trades: how to brief, compare, contract and manage them, and handle variations
- No prior renovation experience or trade background required
- Built for first-timers, and for people who learned the hard way last time
Instant. Permanent. Works anywhere.
30-day money-back guarantee · one email, full refund · no conditions, no forms, no questions