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Exterior decorating in Britain is mostly about two things the brochure photographs never show: access and moisture. The surfaces are render and pebbledash, brick and stone, timber joinery such as sash windows, fascias, soffits and bargeboards, and metalwork including railings, gates and downpipes. Getting a coating onto them is straightforward. Getting to them safely, and getting them dry and sound first, is the job you are actually paying for.

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Work at height is the part with law attached. Regulation 4 of the Work at Height Regulations 2005 requires every employer to ensure that work at height is properly planned, appropriately supervised, and carried out in a manner which is so far as is reasonably practicable safe, and to plan for weather conditions that could jeopardise safety. The regulations apply to employers, to self-employed people, and to any other person in relation to work by someone under their control, to the extent of that control. HSE describes their purpose as preventing death and injury caused by a fall from height.

Older properties add a third question. Public health guidance states that lead paint was common before the 1970s and has not been used after 1992, and old external joinery is exactly where thick, hard, repeatedly recoated paint survives. How that paint is taken back matters more outdoors than most people expect, because the dust and chips land in the garden.

British exterior surfaces: render, masonry, timber joinery and metalwork

Each elevation of a British house is usually a mix of materials, and they fail at different speeds. A quote that treats the whole exterior as one number is worth questioning, because the weather-facing elevation and the sheltered one rarely need the same work.

  • Smooth and textured render: repaired and stabilised first, then coated with a product that suits the background, since a coating that traps moisture in the wall will blister off.
  • Pebbledash and roughcast: heavily textured and thirsty, so coverage and the number of coats matter more than on a flat surface, and loose pebbles are dealt with before coating.
  • Brick and stone: often best left uncoated; painting masonry is very difficult to reverse and can change how the wall handles moisture, so it deserves careful thought rather than a same-day decision.
  • Timber joinery: sash and casement windows, doors, fascias, soffits and bargeboards, where bare or greying wood and open joints are the things that let water in.
  • Metalwork: railings, gates, downpipes and fixings, cleaned back and treated for rust before priming.
  • UPVC and factory-finished surfaces: sometimes coatable with specific products, but this is a question to ask before it is assumed.
  • Ironmongery, vents and overflow pipes: small details that are either properly cut in or left looking obviously rushed.

How exterior preparation runs, and why the gutters come first

A good exterior job starts by dealing with whatever is making the wall wet. Overflowing gutters, a cracked downpipe, failed sealant at a window or a blocked gully will defeat any coating, and a decorator who wants those fixed before pricing the painting is giving you the correct order of work rather than adding items.

After that it is a sequence: wash down and let everything dry, take loose and flaking coatings back to a firm edge, repair or replace rotten timber rather than painting over it, treat and prime bare wood and metal promptly so the substrate is not left exposed to rain, cut out and renew failed sealant around frames, and then coat from the top down, one elevation at a time, following the conditions on the product's own data.

  • Confirm what is included: it is common for windows, doors, fascias, soffits, bargeboards, downpipes and garden walls to be priced separately.
  • Confirm who repairs rotten timber and what happens if more is found once the paint is off, since that is the most common source of a mid-job price change.
  • Confirm how plants, paths, drives and neighbouring property will be protected.
  • Confirm the access method and who provides it, because that is a safety decision rather than a preference.
  • Confirm how many coats each surface gets, since bare timber and bare render need more than a sound recoat.

Ladders, towers and scaffolding: who is responsible for work at height

Most exterior decorating on a house is work at height, and the law puts the planning duty on the people doing and controlling the work. The Work at Height Regulations 2005 require it to be properly planned, appropriately supervised and carried out in a manner which is so far as is reasonably practicable safe, and HSE says that employers and those in control of any work at height activity must make sure the work is properly planned, supervised and carried out by competent people, using the right type of equipment. HSE gives building owners who contract others to work at height as an example of those in control.

For a homeowner the practical consequence is simple: access is the contractor's professional decision, not a line to negotiate down. Gable ends, dormers, stairwell windows and anything over a conservatory roof are the places where a ladder stops being appropriate and a tower or scaffold starts. Be suspicious of a quote that is cheaper specifically because nobody is pricing the access, and ask what equipment will be used and who is providing it.

  • Ask what access equipment each contractor has priced, and whether scaffolding is included or excluded.
  • Ask about public liability insurance, and check that it covers the access method they intend to use.
  • Expect the work to stop in weather that makes it unsafe, which the regulations specifically require planning for.
  • Where the property is listed, section 7 of the Planning (Listed Buildings and Conservation Areas) Act 1990 restricts works of alteration that would affect its character as a building of special architectural or historic interest, so ask the local planning authority before changing an external finish or colour.
  • In a conservation area, ask the local planning authority what applies to your property before committing to a change of external appearance.

Weather windows: when exterior decorating actually works in Britain

British exterior decorating is scheduled around moisture more than temperature. Surfaces have to be genuinely dry, not just rain-free since lunchtime, and every coating has a minimum application temperature and a maximum humidity in its own data. A wall coated late on a damp autumn afternoon, with dew forming an hour later, produces a film that never properly forms, and the failure shows up the following spring rather than immediately.

The practical season runs from late spring to early autumn for full exterior schemes, with crews stopping early enough in the day to let the last coat set before evening moisture returns. This does not mean nothing can happen in winter. Repairs that stop water getting in, such as gutter work, sealant renewal and replacing a rotten sill, are worth doing whenever they are needed, and doing them in the winter means the decorating season is spent decorating.

  • Exposed and coastal elevations weather faster and may need attention on a shorter cycle than the sheltered side of the same house.
  • North-facing walls stay damp longest and are the most likely to grow green algae and organic growth between decorations.
  • Follow the sun round the building rather than working in direct heat on a dark surface.
  • Do not let bare timber or bare filler stand unprimed overnight if rain is coming.
  • Plan gutter and roofline repairs before the decorating, not after it.

Why exterior coatings fail: moisture from behind, not a cheap tin

When exterior paint fails early, the coating is usually the victim rather than the cause. Government guidance on damp identifies penetrating damp as water entering from outside because of defects in walls, roofs, windows or floors, and traumatic damp from leaking pipes and overflows. Both push moisture out through a coating from behind, which is what lifts it in sheets rather than wearing it away evenly. The pattern of failure is diagnostic: paint lifting in one band under a window, or one patch beside a downpipe, is pointing at the defect.

The other common British failure is a breathability mismatch on solid walls. Older houses without a cavity handle moisture by letting it evaporate, and sealing that surface with an impermeable film can trap water in the wall instead, which then blisters the coating and can leave the wall damper than before. This is why the right question for a render or masonry scheme is what the product does with moisture, not simply how long the guarantee is.

  • Flaking and blistering concentrated in one area rather than spread evenly, which points to a specific defect behind it.
  • Bare or greying timber at the bottom rail of a window, where water sits longest.
  • Rust staining running from railings, fixings or downpipe brackets.
  • Cracked or missing sealant between frames and masonry.
  • Green or black organic growth on shaded elevations, which needs treating rather than coating over.
  • A chalky residue that comes off on your hand, showing the existing coating is breaking down.

Choosing exterior products, and what the VOC label tells you outdoors

The 2012 VOC regulations cover exterior products as well as interior ones, and the sub-categories in Schedule 1 include coatings for exterior walls of mineral substrate, meaning outdoor walls of masonry, brick or stucco, alongside interior and exterior trim and cladding paints for wood, metal or plastic. Regulation 5 requires the label to state the sub-category, the relevant limit value in grams per litre, and the product's maximum VOC content ready for use.

Outdoors the permitted range is much wider than indoors, which is worth knowing. Schedule 2 allows exterior masonry coatings 40 grams per litre water-borne but 430 solvent-borne, and trim and cladding paints 130 water-borne against 300 solvent-borne. Products at opposite ends of that range behave differently in application, drying and smell, so when a decorator specifies a particular system for your render or your joinery, the label is a fair place to start the conversation about what they have chosen and why.

Making an exterior scheme last, and getting quotes through LokalMatch

Exterior decoration is maintained at the edges. Keep gutters and downpipes clear so water is not running down a painted wall, cut back planting that holds damp against the render, check sealant around frames once a year, and deal with a chipped sill or a rust spot on a railing while it is still small. A short annual walk round the house with a notebook catches nearly everything that would otherwise turn into a repair.

When you are ready to compare decorators, LokalMatch lets you describe the job once: the elevations involved, the surfaces, the height, the age of the property and anything you already know about rot or failing render. Matched decorators covering your postcode then contact you directly, and the professionals pay for those requests. LokalMatch does not carry out the work, does not set prices and does not vet, rank or recommend anyone, so compare how each contractor proposes to gain access and how they intend to prepare the surfaces before you compare anything else.

Exterior Painting: frequently asked questions

Do I need scaffolding, or will ladders do?

That is the contractor's call to plan, not a cost saving to request. The Work at Height Regulations 2005 require work at height to be properly planned, appropriately supervised and carried out in a manner which is so far as is reasonably practicable safe, and HSE says those in control must make sure it is carried out by competent people using the right type of equipment. In practice, gable ends, dormers, stairwell windows and anything above a fragile roof such as a conservatory usually mean a tower or scaffold. Ask what each quote has allowed for access, because a quote that has allowed for none is not comparable.

Can I paint the outside of a listed building a different colour?

Ask before you do. Section 7 of the Planning (Listed Buildings and Conservation Areas) Act 1990 provides that no person shall execute works for the demolition of a listed building, or for its alteration or extension in any manner which would affect its character as a building of special architectural or historic interest, unless the works are authorised. Whether a change of external finish or colour crosses that line is a matter for the local planning authority, so contact them before ordering paint, and ask about conservation area rules if your property is in one.

Is it worth painting the outside of the house in winter?

Rarely for a full scheme. Surfaces need to be genuinely dry and within the product's stated temperature and humidity conditions, and short damp days with evening dew work against both. Late spring to early autumn gives the most reliable weather in Britain. What is worth doing in winter is everything that stops water getting in, such as clearing gutters, renewing sealant and replacing rotten timber, so that the good weather can be spent on decorating rather than on repairs.

Should I paint my brickwork?

Think hard first. Painting masonry is extremely difficult to reverse and changes how the wall deals with moisture, which matters most on older solid walls that rely on evaporation rather than a cavity. Where a coating traps water in the wall, the result can be blistering and a damper wall than you started with. If you are considering it, ask specifically what the proposed product does with moisture, and get the advice in writing rather than as a doorstep assurance.

Why has the paint come off in one patch rather than everywhere?

Because something behind that patch is wet. Government damp guidance describes penetrating damp as water entering from outside through defects in walls, roofs, windows or floors, and traumatic damp as water from leaking pipes and overflows. A localised failure beside a downpipe, under a sill or in one band of render is the coating reporting a defect. Fix the defect, let the wall dry, then redecorate, or the same patch will fail again on the same schedule.

The old window frames have thick, hard paint. Can it be burnt off?

Be careful, particularly in a pre-1992 property. Public health guidance says lead paint was common before the 1970s and has not been used after 1992, and that exposure is only likely if the paint is deliberately removed or sanded. HSE advises against overheating leaded paint with blow lamps or gas torches, says to keep hot air guns and infrared equipment below 500 degrees Celsius, and points towards wet abrasive paper with a scraper or on-tool extraction with an H or M class unit. Outdoors, also ask how chips and dust will be collected rather than left in the garden.

Sources

  1. The Work at Height Regulations 2005, regulation 4 (organisation and planning)
  2. The Work at Height Regulations 2005, regulation 3 (application)
  3. HSE: Work at height - the law
  4. GOV.UK: Lead - information for the public
  5. HSE: Construction hazardous substances - lead
  6. The VOC in Paints, Varnishes and Vehicle Refinishing Products Regulations 2012, Schedule 1 (sub-categories)
  7. The VOC in Paints, Varnishes and Vehicle Refinishing Products Regulations 2012, Schedule 2 (limit values)
  8. GOV.UK: Understanding and addressing the health risks of damp and mould in the home
  9. Planning (Listed Buildings and Conservation Areas) Act 1990, section 7

Written by the LokalMatch editorial team. Last reviewed 14 September 2026. How we write and check our guides

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What affects the cost of exterior painting

Prices depend on the details of your project. We only publish price ranges when they’re backed by real LokalMatch quote data or reliable sources. Until then, here’s what usually changes the price:

  • Size of the area and ceiling height
  • Condition of the walls, trim or siding
  • Amount of prep and repairs
  • Number of colours and coats
  • Paint quality
  • Access, including stairwells and upper floors

How to compare painters before you hire

  • Ask how the painter will prepare the surfaces, since patching, sanding and priming matter as much as the paint.
  • Get a written quote that lists which rooms or surfaces are included, the number of coats and who supplies the paint.
  • Ask how they'll protect floors, furniture, landscaping and anything they can't move.
  • In older homes, ask how they handle old paint that may contain lead.
  • Look at recent work, paying attention to clean lines at ceilings and trim.

Questions to ask painters before you hire

  • What prep work is included, such as patching, sanding, caulking and priming?
  • How many coats are included, and what paint will you use?
  • Are ceilings, trim, doors and closets part of the price?
  • How will you protect my floors, furniture and plants?
  • Can you show me proof of liability insurance?
  • What happens if I notice touch-ups needed after you finish?

Exterior painting permits and local rules

Some exterior painting work needs a permit or has to meet local bylaws. Rules vary by municipality, so ask your pro whether a permit is needed and who will apply for it — and check with your city or town if you’re unsure.

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