How big should a QR code be on a for-sale board?

Roughly a tenth of the reading distance. From the gate two to three metres away, that is 20 to 30cm across — much larger than most boards carry. A 5cm code is decorative and only scans if somebody walks into the garden.

Where on the board should the code go?

The lower half. A code at the top of a tall post is photographed from below at a steep angle, distorting the grid. Keep it flat and matte, since gloss facing the sun whites out the middle of the code.

Should each property have its own QR code?

Yes, and ideally each board. Separate dynamic codes let you repoint them as a listing goes under offer or sold, and they tell you which locations actually generate scans.

Where should the code send people?

Straight to that property listing, with photographs, price and a way to book a viewing. Never a homepage or a search page that asks them to type the address of the house they are standing in front of.

Do outdoor QR codes stop working over time?

They can. UV fades cheap ink, contrast drops and the code eventually stops resolving. Use UV-stable print on weatherproof substrate, and scan your own boards occasionally — nobody else will tell you.

QR code for a real estate sign

A code on a for-sale board lets somebody walking past get the full listing — photographs, floor plan, price — without writing down an agent number they will never call.

Boards are the hardest environment a printed code faces: read from a distance, at an angle, in rain, from a moving car, for months on end. Almost every failure comes from sizing it like a leaflet.

Size it for the pavement, not the desk

The working rule is that a code needs roughly a tenth of its reading distance in width. Someone standing at the gate is two to three metres away, so the code wants to be 20 to 30cm across — far larger than most boards carry.

A 5cm code on a board is decorative. It will scan if somebody climbs into the garden and leans in, which is precisely what a prospective buyer will not do on a stranger property. Measure where people actually stand and size from there.

Height and angle matter as much as size

Put the code in the lower half of the board. A code at the top of a two-metre post is photographed from below at a steep angle, which distorts the grid and makes the finder patterns harder to lock onto.

Keep it flat and matte. Glossy laminate on a board facing the sun produces a reflection that whites out the middle of the code for half the day, and the times people walk past are exactly the times the sun is out.

Use a dynamic code and track each board

Property listings move: under offer, price reduced, sold, withdrawn. A dynamic code lets the same board point at the right page throughout, and lets you repoint it to your general listings when the property goes.

Use a different code per board — or per street — and you learn which locations generate scans. That is real data about where your boards earn their keep, and it costs nothing beyond creating separate codes.

Land on something that works one-handed outdoors

The scan happens outside, often in bright light, on mobile data, frequently one-handed while holding a dog lead or a child. The landing page needs to be fast, legible in sunlight and immediately obvious: photographs, price, number of bedrooms, and a way to arrange a viewing.

Do not send them to a homepage or a search page that requires re-entering the address they are standing in front of. That is the fastest way to lose an interested buyer who had literally arrived at the property.

Weather and time

Boards stay up for months through rain, frost and UV. Cheap inkjet output fades badly — reds go first, and a faded code loses contrast until it stops resolving. Use UV-stable print on a weatherproof substrate.

Drive or walk past your own boards occasionally and scan them. A board that has been up since spring may have stopped working weeks ago, and nobody has any reason to tell you.

Common questions

How big should a QR code be on a for-sale board?: Roughly a tenth of the reading distance. From the gate two to three metres away, that is 20 to 30cm across — much larger than most boards carry. A 5cm code is decorative and only scans if somebody walks into the garden.
Where on the board should the code go?: The lower half. A code at the top of a tall post is photographed from below at a steep angle, distorting the grid. Keep it flat and matte, since gloss facing the sun whites out the middle of the code.
Should each property have its own QR code?: Yes, and ideally each board. Separate dynamic codes let you repoint them as a listing goes under offer or sold, and they tell you which locations actually generate scans.
Where should the code send people?: Straight to that property listing, with photographs, price and a way to book a viewing. Never a homepage or a search page that asks them to type the address of the house they are standing in front of.
Do outdoor QR codes stop working over time?: They can. UV fades cheap ink, contrast drops and the code eventually stops resolving. Use UV-stable print on weatherproof substrate, and scan your own boards occasionally — nobody else will tell you.