A Grand Designs episode starts with an ambition and ends with a house. Grand Designs Live 2027 is most useful somewhere in the messy middle, when you can put the same glazing, heating or layout question to people who actually supply the answers. It is at ExCeL London from 30 April to 3 May.
What is Grand Designs Live?
It's the home show that grew out of the Grand Designs TV series: hundreds of brands under one roof for self-builders, renovators and home improvers, with expert talks, face-to-face advice, a show house called the Grand House and themed hubs for sustainability, build and renovation, kitchens and bedrooms, home and garden, and architecture. The official site lists two editions: NEC Birmingham, which ran on 2–4 October 2026, and ExCeL London, from 30 April to 3 May 2027.
Why is it a big deal?
Because of the name. Grand Designs is the programme about ambitious self-builds, and the show puts that ambition in a hall with the people who sell the glazing, heating and kitchens; the organisers pitch it as a way to research a whole project in a single day. In the UK, "grand designs live" is searched about 1,600 times a month, and "grand designs live excel" about 70 (Google Keyword Planner, October 2026).
Why should you care before you go?
Because the ticket is the small cost. London tickets weren't on sale when I looked on 11 October 2026: the tickets page says they're due in October, prices a box-office ticket at £16 an adult, and lets children aged 15 and under in free. The expensive part is what can follow: glazing, heating or building work agreed under show-offer urgency, before anyone has surveyed your house.
The short answer: it's worth the trip if you've got one real project question and use the day to compare different ways of solving it, with a floor plan, photos and a rough budget in your bag. Samples and books are fine to buy on the day; anything that needs installing, finance or a survey is better taken home and checked. Without measurements or a budget, it's a much more expensive day of window shopping. The DIY and garden shops we cover are on our garden and DIY page.
This is for the homeowner who loves ambitious design but needs practical help with an extension, a retrofit, a heating system, a glazing choice or that one room nobody can work out what to do with.
What we know so far
The official opening-times page has the show at ExCeL London from Friday 30 April to Monday 3 May 2027, open 10am–5pm, with last entry at 4.45pm. Kids aged 15 and under get in free with a claimed child ticket, depending on the booking conditions at the time.
You can leave and come back the same day with a hand stamp. That's a bigger deal than it sounds: it means you can eat lunch somewhere that isn't an exhibition hall, or just go and sit outside for ten minutes when your brain's full. The policy is worth checking again closer to the date, though.
Should you actually go?
I'd go if at least one of these is true:
You need to see or touch materials before you commit to them.
You want to compare two heating, glazing or construction options.
You've got drawings or measurements and want proper conversations with specific suppliers.
There's a talk or expert clinic covering a question you're currently paying someone to answer.
I'd wait if the project is still a daydream. A day on the show floor is very good at making you want things before you know what you can afford. At that stage, some talks online, a walk round a few ordinary showrooms (or a free showroom event such as Clerkenwell Design Week) and a firm budget will do more for you. The show will still be there next year.
What to bring from the project
The useful things to bring are the ones you understand and are happy to share:
a simple floor plan or the room dimensions;
photos of the space as it is now;
which way it faces and where the windows are, if light or heat from the sun matters;
how far along you are with planning or building;
a rough budget range;
the next decision you actually need to make.
Every stand doesn't need your whole life file. A short brief is enough for an exhibitor to tell you whether their product is even relevant. The detailed drawings can come later, once you've decided they're worth a proper conversation.
Where I'd spend my time
I'd pick one product area and one ideas area and stick to them: say, heat pumps or windows in the morning, then a small-spaces or materials talk after lunch. Otherwise the whole day turns into a blur of expensive worktops that have nothing to do with your house.
The 2027 talks and exhibitor list are still taking shape. If one speaker or brand would make the trip for you, wait for their name on the current What's On schedule before booking.
This is Kunle Barker at an earlier Grand Designs Live, talking about getting to net zero. It's worth a watch to see what the expert talks are like. It doesn't tell you who's speaking in 2027, and it definitely doesn't tell you whether a particular retrofit will work on your house.
Questions that sort the good suppliers from the rest
My favourite question to ask anyone selling anything: "When is this a bad fit?" A good supplier will tell you the limits, not just the benefits. One who can't think of a single situation where their product's wrong is telling you something.
For anything involving building systems, I'd also ask:
What survey or calculation needs to happen before you can quote?
Which bits do you install yourselves, and which do you subcontract?
What isn't included in the price on display?
What warranty covers the product, and what covers the labour?
Can I talk to a recent customer with a similar property?
Will I need planning, building control or grid approval?
I'd write the answers down in the same format for everyone. Five glossy brochures aren't a comparison if each one quietly leaves out a different cost.
Should you buy anything on the day?
Samples, books, or things you can properly check over before you pay: sure. Anything that needs installing, involves finance or a big deposit, or depends on someone surveying your house first: I'd walk away and think about it.
A show offer might be perfectly genuine. The problem is the urgency, because it squeezes the time you've got to check the company, the contract, the spec and your cancellation rights. The offer in writing, with the expiry date and all the conditions, gives you that time back. A deadline nobody has actually given you isn't a deadline, and a "show price" badge doesn't mean it's cheaper than you'd normally pay.
Getting to ExCeL
According to the official venue page, the 2027 show is in Hall N3 at ExCeL, Royal Victoria Dock. The recommended entrance is worth knowing before you set off. ExCeL is enormously long, and the handiest station depends on which hall you're in.
Custom House is at the west end, on the Elizabeth line and DLR. Prince Regent is at the east end, on the DLR. Once the event page publishes exact entrance instructions, go with those.
If you want the easiest possible morning, or you're going to be lugging samples around, stay near ExCeL. If you're making a weekend of it, Canary Wharf, Stratford or central London might suit you better, and the hotels we cover are on our hotels page. The journey that matters is the one from when the show shuts, not the one on a map at breakfast.
The day after
I'd sort the photos and notes by which decision they help with, and cross off anyone who can't cover your area, your project stage or your budget. The two or three left then get asked for the same written information, so you're not comparing quotes that happen to be different because they cover different things.
If you're earlier on and want more structured technical advice, have a look at our National Homebuilding & Renovating Show guide. For interiors and smart-home ideas without a building project attached, there's our Ideal Home Show plan, and every home and design show worth travelling for is in our UK expos guide.
Frequently asked questions
When is Grand Designs Live London 2027?
Friday 30 April to Monday 3 May 2027 at ExCeL London, 10am–5pm each day.
Can you leave and come back in?
Yes, on the same day. The official opening-times page says you'll get a hand stamp for re-entry. Worth checking again before you go.
Is it worth going before you own a home?
It's fun for materials and ideas, but you'll get a lot less out of it without a real space, a budget or a project question. For general inspiration, the Ideal Home Show or a design festival is probably a better fit.
Should I sign a renovation contract at the show?
I wouldn't sign anything major until you've checked the full spec, the company, what surveys are needed, the warranty, what's excluded and the cancellation terms, all away from the stand.
