Start With Permission, Not Paint

Every legal mural begins with a conversation, not a sketchbook. Under the Criminal Damage Act 1971, adding paint to a surface you do not own or control without consent is criminal damage — the quality of the artwork is irrelevant in law. That single fact shapes everything that follows, and it is worth repeating to anyone on your team who is tempted to "just get started".

The good news is that permission is usually more attainable than people assume. Landowners with blank, tatty walls are often delighted to have them transformed, particularly if you handle the logistics, the paint and the clean-up. Councils, housing associations, business improvement districts and community trusts all commission or permit murals regularly. What they need from you is clarity: who you are, what you plan to paint, when, how long it will take, and who is insured.

Find the Right Wall — and the Right Person to Ask

Not every blank wall is available, and not every person who says yes actually has the authority to do so.

• Establish ownership. Check the Land Registry if the wall's owner is unclear. A leaseholder often cannot grant permission for external works without the freeholder's consent.
• Check the planning picture. Purely decorative artwork with no commercial message generally does not need advertisement consent, but listed buildings need listed building consent, and conservation areas demand a gentler conversation with the local authority's conservation officer.
• Consider the setting. A wall facing a bus stop, a school playground or a war memorial carries extra scrutiny. Think about sightlines, glare, and whether passing traffic will slow to look.
• Be realistic about the surface. Render, brick, concrete and metal all behave differently. Pitted, damp or flaking walls need proper preparation before a single brushstroke lands.

Talk to the Neighbours First

Community consultation is not box-ticking; it is the difference between a mural that is protected and one that gets painted over within a year. Start early — at least six to eight weeks before your planned start date.

Hold a drop-in session somewhere visible: a library, a community centre, a nearby café. Bring printed mock-ups at roughly the scale of the wall, plus a simple A4 summary of dates and working hours. Ask open questions. What matters to you about this street? Is there anything you would rather we avoided? Invite ward councillors, the residents' association and any neighbouring shopkeepers whose trade might be disrupted by scaffolding or a closed pavement.

Listen properly, and be prepared to change the design. A palette that clashes with the shopfront next door, or imagery with unintended local resonance, is far easier to fix on paper than on brick. Once you have agreement, put it in writing and share it with everyone who contributed. Consent that lives only in a meeting is consent you cannot rely on.

Paperwork, Insurance and Access

Before painting day, gather the practical permissions.

• Public liability insurance of at least £5 million is the standard ask from councils and larger landowners. Check whether your policy covers working at height.
• Risk assessments and method statements for the site, including ladder, tower or mobile elevating work platform use if the wall is more than a couple of metres high.
• Parking or pavement suspensions from the highway authority if you need a vehicle, skip or scaffolding in the road. These take weeks rather than days, so apply early.
• Written consent from the landowner covering the design, the dates, and who is responsible for maintenance and eventual removal.

Prepare the Surface Properly

A mural is only as good as the wall beneath it. Work in dry weather, ideally between late spring and early autumn, when surface temperatures sit comfortably above 10°C and rain is not forecast for several days.

Strip or stabilise loose and flaking paint, wash the wall down with a fungicidal solution, and let it dry completely — damp trapped behind fresh paint will blister within a season. Fill cracks and hollows, sand back rough edges, and prime bare masonry or metal with a suitable exterior primer. For outdoor work, use masonry or exterior-grade acrylic paint with good UV stability, then finish with a clear matt varnish designed for exterior use. It costs more, but it will buy you years.

Choose your paint system for the conditions, not for the price tag. Cheap gloss on a sun-baked south-facing wall will fade to a ghost of itself inside two summers, and repainting a large mural is a far bigger job than getting it right first time.

Painting Day and Afterwards

Set clear working hours — typically 8am to 6pm on weekdays — and stick to them. Keep the pavement clear, brief your team on the risk assessment, and have a plan for paint waste, brushes and dirty water. Nothing should go down a surface water drain.

When the mural is finished, photograph it thoroughly and send the images, along with a location and description, to your council's street cleansing or graffiti team. Ask them to record it as a sanctioned artwork. Without that note on file, an overzealous removal crew may one day treat it as a target.

Finally, plan for upkeep. Most exterior murals will want a wash-down and a touch-up every few years, and a full refresh within seven to ten. Tell the landowner this at the outset, and agree who will carry it out. A mural is not a one-off event; it is a small, cheerful piece of civic maintenance — and the better you look after it, the more doors it will open for the next one.