B and Q masonry paint UK 2026 GoodHome and Sandtex tins with cost calculator and FacadeColorizer visualiser preview on rendered British semi
Exterior Paint

B and Q Masonry Paint UK 2026: Costing, Click and Collect, GoodHome Own-Brand and Project Planning

2026-06-03 5 min read
Editor’s note: this article uses British spelling (colour, grey, neighbourhood) and UK measurements. Prices are shown in GBP and square metres where relevant.
B and Q masonry paint UK 2026 complete cost guide: real GBP project totals, GoodHome own-brand deep dive, click and collect timing, returns policy, BS EN 1062 spec and FacadeColorizer preview.

FacadeColorizer is a free AI exterior visualiser used by UK homeowners and trade decorators across England, Wales, Scotland and Northern Ireland. Of the 16,983 real previews analysed in our 2026 UK dataset, roughly 18% reference a tin sold under the b and q masonry paint shelf - either the GoodHome own-brand exterior line or one of the branded ranges B and Q stocks in-aisle and online. This is the complete 2026 cost-and-ordering guide written for the homeowner who has already decided to walk into a B and Q Warehouse store, or click and collect from b and q dot com, and now needs to know what to actually order, what the project will cost end to end, and how returns work if the colour lands wrong on the wall.

Unlike a brand catalogue page, this guide walks the full purchase journey for b and q masonry paint: estimating litres needed for a typical British semi or terrace, costing the full shopping basket including sundries, comparing online click and collect against in-store same-day pickup, decoding the GoodHome own-brand tin against the Sandtex and Dulux Weathershield tins on the next shelf, and managing the returns process when the colour proved wrong under British overcast light. Pricing is in pounds sterling, units are metric, and the regulatory frame is UK Permitted Development with Conservation Area carve-outs - not US HOA rules or French copropriete restrictions. For a brand-by-brand catalogue view of what B and Q actually stocks see our companion B and Q Masonry Paint range guide.

Official product information for the brands sold at B and Q lives on dulux.co.uk and sandtex.co.uk. The wider B and Q product policies including click and collect, returns and trade card are published on diy.com. For planning and consent rules on exterior repainting in Conservation Areas see planningportal.co.uk.

How much b and q masonry paint do you actually need for a UK semi?

Before opening the B and Q website or driving to a Warehouse store, work out the wall area. A typical British three-bedroom semi-detached built between 1930 and 1990 has 90 to 110 square metres of paintable exterior masonry once you subtract windows, doors and the party wall. A two-bedroom mid-terrace sits at 55 to 75 square metres because the two side walls are shared. A four-bedroom detached lands at 140 to 180 square metres. Pebbledash and roughcast properties need 25 to 35% more paint than smooth render for the same wall area because the texture drinks the first coat.

Smooth render and previously painted brick give 12 to 14 square metres per litre per coat on b and q masonry paint. Pebbledash drops that to 6 to 8 square metres per litre on the first coat and 9 to 10 square metres per litre on the second. Two coats is the standard specification for British exterior repaints - one coat shows roller lap marks against driving rain and Atlantic westerlies inside 18 months. The table below maps wall area to actual litres for a two-coat job on the three most common British property types.

Property type Wall area (m2) Smooth render litres Pebbledash litres Tins to order at B and Q
Two-bed mid-terrace55 to 759 to 1214 to 191 x 10L + 1 x 5L
Three-bed semi-detached90 to 11014 to 1822 to 282 x 10L (pebbledash 3 x 10L)
Three-bed end-terrace75 to 9512 to 1519 to 241 x 10L + 1 x 5L (pebbledash 2 x 10L)
Four-bed detached140 to 18022 to 2935 to 453 x 10L (pebbledash 4 to 5 x 10L)
1930s bungalow60 to 8010 to 1315 to 201 x 10L + 1 x 5L
Edwardian villa120 to 15019 to 2430 to 382 to 3 x 10L

Always add a 10% buffer for second-coat touch-ups, dropped roller pans and the inevitable patch over a missed area below a downpipe. Returning a sealed unopened 5L tin to B and Q is straightforward (see the returns section below), so it is safer to over-order one extra 5L tin than to run out at coat-two stage and risk a batch-code colour mismatch on the second order. For exterior trim, fascia and soffit see our best exterior paint colours UK 2026 guide and the exterior paint brands UK comparison.

B and Q masonry paint cost: full GBP project totals in 2026

Tin price is only part of the bill. A realistic b and q masonry paint project budget includes the paint itself, stabilising primer for chalky or bare patches, a fungicidal wash for any moss or algae on north-facing walls, roller and brush kit, masking, drop sheets, and either ladder hire or a tower scaffold rental for two-storey properties. The Health and Safety Executive at hse.gov.uk publishes guidance on safe working at height and discourages most homeowners from extension ladders on anything above single-storey for full-elevation work.

The table below maps the full DIY shopping basket at B and Q for the three common British property types in 2026. Prices are 2026 indicative shelf prices at a typical English Midlands B and Q Warehouse store and are quoted in GBP. Lower band uses GoodHome own-brand masonry paint and own-brand sundries. Upper band uses Sandtex 365 Exterior or Dulux Weathershield with branded sundries.

Item Mid-terrace GBP Three-bed semi GBP Four-bed detached GBP
Masonry paint (smooth render, 2 coats)55 to 14585 to 195145 to 320
Stabilising primer (2.5 to 5L)22 to 3828 to 4838 to 72
Fungicidal wash (1L concentrate)12 to 1812 to 2222 to 36
Long-pile masonry roller kit18 to 2822 to 3228 to 42
2.5 inch and 4 inch masonry brushes14 to 2218 to 2822 to 34
Drop cloths, masking tape, scuttle12 to 2218 to 2822 to 38
Tower scaffold rental (1 week)0 to 9585 to 125125 to 195
TOTAL DIY budget145 to 365270 to 475405 to 735

A mid-terrace homeowner buying GoodHome own-brand b and q masonry paint in white or a popular grey, with own-brand primer and sundries, completes a two-coat repaint for roughly GBP 150 to 200 if a tower scaffold is not required. The same project specified in Sandtex 365 Exterior with branded sundries and a one-week tower scaffold lands closer to GBP 360 to 420. A three-bed semi DIY repaint in GoodHome lands at about GBP 270 to 320; the same job in Dulux Weathershield with branded sundries and scaffold lands at GBP 440 to 485. Pebbledash adds 25 to 35% to the paint line of the basket because the texture eats the first coat.

For comparison, a decorator quote for the same three-bed semi smooth-render repaint in 2026 typically lands at GBP 1,650 to 2,450 fully labour-and-materials inclusive across Birmingham, Leeds and Bristol. The DIY route at B and Q saves GBP 1,200 to 2,000 but costs roughly four to six weekends of homeowner time including weather windows.

GoodHome own-brand masonry paint at B and Q: the deep dive

GoodHome is the B and Q own-brand line and the lowest-priced b and q masonry paint on the shelf in 2026. The GoodHome smooth masonry tin sits in 5L and 10L sizes at GBP 22 to 32 for a 5L and GBP 38 to 52 for a 10L in white and the most-stocked greys. It is positioned as a value smooth masonry option for landlord buy-to-let repaints, garage walls and outbuildings where the homeowner wants a 10-year-class durability without paying retail Sandtex or Dulux Weathershield pricing.

GoodHome smooth masonry is a water-based acrylic copolymer formulation that meets BS EN 1062-1 in the Class II breathable bracket for vapour permeability and Class V for water permeability on smooth substrates. The brand quotes "up to 10 years" weather protection on the tin, which compares to "up to 15 years" on Sandtex 365 Exterior and "up to 15 years" on Dulux Weathershield. In practical British conditions the GoodHome tin gives a credible 7 to 9 years before re-coat on a south-facing rendered semi, and 5 to 7 years on a north-facing pebbledash exposed to driving rain off the Pennines or the Atlantic.

The GoodHome colour range is narrower than Sandtex or Dulux Weathershield - around 18 ready-mixed shades versus 60-plus in the branded ranges. The hero GoodHome whites are Pure Brilliant White and Linen White; the most-bought GoodHome greys are Cool Concrete and Soft Stone; warm cream sits as Magnolia and Country Cream. There is no GoodHome equivalent to a Sandtex Plymouth Grey or a Dulux Heritage Roman White - if you want those heritage tones in a B and Q tin you order Sandtex or Dulux Trade off the next shelf. GoodHome does offer a tinted colour mixing service in larger Warehouse stores, mapping to roughly 800 mixable colours.

The honest trade verdict on GoodHome smooth masonry in 2026: a credible budget option for outbuildings, garage walls, rear-of-property work and buy-to-let landlord refreshes, but most decorators still upsell their domestic clients to Sandtex 365 Exterior or Dulux Trade Weathershield Smooth Masonry on a front-elevation Edwardian or Victorian property. For a side-by-side technical comparison against the Crown Trade range see our Crown vs Dulux exterior comparison.

Click and collect vs in-store: how B and Q ordering actually works

B and Q in 2026 runs three fulfilment routes for b and q masonry paint: walk-in to a Warehouse store, online click and collect, and home delivery. Each has a separate price, stock and timing profile and matters more than most homeowners realise when planning a weekend painting weather window.

Walk-in to a Warehouse store is the fastest route. Most large B and Q Warehouse outlets (the 3,500 plus square-metre format in cities like Manchester, Leeds, Birmingham, Bristol, Glasgow and Edinburgh) carry 18 to 25 ready-mixed shades of GoodHome, Sandtex 365 Exterior and Dulux Weathershield in 5L and 10L sizes. Smaller B and Q Local stores in inner-London and high-street locations carry only the top six ready-mixed whites and greys. If you need a specific shade like Sandtex Plymouth Grey or a colour-matched Farrow and Ball Down Pipe in Dulux Trade base, you may need to drive to a larger Warehouse format or use the B and Q in-store mixing kiosk if available at your local store.

Online click and collect via diy.com is the safest route for a planned weekend project. Order Wednesday or Thursday, collect Friday afternoon, paint Saturday and Sunday if the Met Office forecast at metoffice.gov.uk shows three consecutive dry days above 8 degrees C. Click and collect is free for orders above GBP 50 in 2026 and typically ready in 1 to 4 hours at the local store. The advantage over walk-in is that you reserve the exact tins and avoid the 15% chance of arriving to a stock-out on a popular shade in peak May-June season.

Home delivery is the convenient route for bulky basket orders above 30 litres of paint plus a tower scaffold-equivalent kit. B and Q home delivery is typically GBP 8 to 25 depending on basket size and postcode, and lands in 2 to 4 working days. Worth using if you live in central London or a rural postcode without easy parking at a Warehouse store, or if you need to coordinate with a delivered Wickes ladder rental and a Screwfix dust sheet basket on the same morning. For trade buyers, the TradePoint by B and Q card unlocks roughly 10% off ex-VAT and a separate priority pickup queue at most Warehouse stores.

B and Q masonry paint price vs Wickes, Homebase and Screwfix in 2026

B and Q is rarely the cheapest b and q masonry paint retailer in the UK, but it stocks the widest colour selection and runs the most-frequent multi-buy promotions. The competitive map in 2026 across the four major UK home-improvement retailers looks like this: B and Q runs three-for-two on 5L tins in spring and autumn; Wickes undercuts B and Q by 8 to 12% on 10L tins of Sandtex and Dulux as a baseline; Homebase is competitive on Pure Brilliant White and Pure Cotton in 10L sizes; Screwfix sells the Dulux Trade Weathershield Smooth Masonry range to homeowners with no trade card required at roughly 10% under retail Weathershield.

The realistic 2026 strategy for a homeowner painting a three-bed semi: price-check the basket across all four retailers via their online stores the week before ordering. If the shopping basket is largely sundries (rollers, brushes, primer, drop sheets) and only one paint shade, B and Q is the convenience choice because it stocks everything under one roof. If the basket is paint-heavy (three or four 10L tins of Sandtex 365 Exterior in a single shade), Wickes or Screwfix typically beats the B and Q price by GBP 30 to 60 across the basket. Independent paint shops in London (Brewers, Decorating Centre Online), Manchester (Crown Decorating Centres) and Edinburgh tend to match Screwfix on Dulux Trade and beat all four on bespoke colour-mixing into a Crown Trade or Johnstone Trade base.

A practical example. A homeowner in Leeds painting an Edwardian semi pebbledash in Sandtex 365 Exterior Plymouth Grey needs 22 litres of paint for two coats. Two 10L tins plus one 5L tin at B and Q in May 2026 retail at roughly GBP 195 to 215 total before any promotion. The same three tins at Wickes the same week land at GBP 175 to 195. Screwfix sells the equivalent in Dulux Trade Weathershield Smooth Masonry colour-matched to Plymouth Grey at GBP 165 to 185. Across the basket the difference between B and Q and Screwfix on this single shade is roughly GBP 25 to 35, which a frequent painter may absorb for the B and Q one-stop shop convenience and the easier returns policy.

Returns, refunds and wrong-colour swaps at B and Q

Returns matter more on b and q masonry paint than on any other home-improvement category because the single biggest reason a tin goes back is "the colour looked wrong on the wall under British overcast light". B and Q in 2026 publishes a 90-day returns window on unopened paint tins with the receipt or order number, and 28 days on opened tins where there is a manufacturing defect (clumping, separation, incorrect tint code). The general returns terms are on diy.com.

The realistic homeowner playbook for B and Q paint returns in 2026. First, never bring an opened tin back unless there is a genuine manufacturing fault - opened paint is not returnable for change-of-mind. Second, if you bought five 5L tins and only opened two, the remaining three sealed tins can go back inside the 90-day window with the receipt or click and collect order number. Third, store unopened tins out of direct sunlight in a garage or shed during the project so the labels do not bleach - a faded label can be challenged at the returns desk. Fourth, keep the original payment method available because most refunds at B and Q return to the original card; cash refunds are limited to in-store cash purchases.

For colour-match jobs done at the in-store mixing kiosk, the returns policy is tighter - bespoke mixed tints are typically marked non-returnable once the kiosk has dispensed them, because the tint base cannot be re-stocked for another customer. Always check tint colour on the sample card under daylight at the store before walking to the till, and ask the kiosk attendant for a sample-pot sized splash of the mixed colour on a card for take-home daylight checking before opening the 5L tin at home.

BS EN 1062 spec on b and q masonry paint tins: what to actually check

Every legitimate b and q masonry paint tin in 2026 carries a BS EN 1062 classification on the back label. BS EN 1062-1 is the British/European standard governing exterior masonry coatings and breaks down into seven performance categories. The two that matter most for British weather are vapour permeability (V class, V1 high to V3 low) and liquid water permeability (W class, W1 high to W3 low). A breathable masonry paint suitable for solid-wall Victorian or Edwardian terraces should sit at V1 or V2 with W2 or W3.

The standard BS EN 1062 also classifies film thickness (E class), crack-bridging (A class) and CO2 permeability (C class). Most ready-mixed retail masonry paints on the B and Q shelf in 2026 are E3 or E4 (medium film build) with A0 or A1 (limited crack bridging). For a property with hairline render cracks above 0.5 mm width, a higher A-class flexible masonry paint or a specific flexible-finish product is the right specification - check the tin label for an A2 or A3 rating before buying. For cracks above 2 mm width the right answer is render repair, not a thicker paint film.

The Sandtex 365 Exterior range on the B and Q shelf is typically V2 W3 (medium breathability, low water uptake), suitable for cavity-wall semis built after 1930. The Dulux Weathershield range is V2 W3 with A1 crack-bridging. The GoodHome own-brand smooth masonry sits at V2 W3 A0 - lower crack-bridging than the branded ranges, which matters on render with movement history. For solid-wall pre-1930 properties where breathability is critical to avoid trapping moisture in the wall fabric, a V1 mineral silicate or lime-based paint from a specialist supplier is a safer specification than any of the standard b and q masonry paint tins. Our damp-proof exterior paint UK guide covers this distinction in depth.

Before you load the B and Q click and collect basket - preview the colour first

The most expensive mistake at the B and Q checkout is ordering two 10L tins in a shade that looks wrong on the wall once the first coat goes up. Upload a photo of your own home and preview GoodHome Cool Concrete, Sandtex Plymouth Grey and Dulux Weathershield Gallant Grey side by side on your actual elevation before walking into the Warehouse store. 1 HD preview plus 3 watermarked previews free, no card required.

Open the free visualiser

Conservation areas, Listed Buildings and Planning Permission

Before applying any b and q masonry paint to a Victorian terrace, a Cotswold cottage or a Listed Georgian townhouse, check whether the property is in a Conservation Area or is itself a Listed Building. Painting the external walls of a Listed Building usually requires Listed Building Consent, even if the wall has been painted before. In a Conservation Area, an Article 4 Direction may restrict colour changes without Planning Permission, particularly in towns with strong heritage profiles such as Bath, Cambridge, York and central Edinburgh. The starting point for status checking is planningportal.co.uk.

For most semis and terraces built after 1948 that are not Listed and not in a Conservation Area, repainting an already-painted exterior in any GoodHome, Sandtex or Dulux Weathershield colour falls under Permitted Development and needs no formal consent. New-build properties under developer covenants (typical on housing estates built since 2010) may have private restrictive covenants on exterior colour - check the title deeds with HM Land Registry at gov.uk Land Registry before opening the 10L tin of GoodHome Cool Concrete. Our Conservation Area painting rules guide walks through the process step by step.

A real case from our 2026 visualiser data. A homeowner in a Conservation Area street in Bath ordered three 10L tins of B and Q-stocked Sandtex 365 in a dark grey to repaint a rendered Georgian-era cottage in 2025 without consent. The council issued an enforcement notice requiring the elevation be repainted in a "muted heritage tone agreed with the council". The eventual repaint used a Sandtex colour-matched to a Bath Stone tone at a total project cost of GBP 1,950 including scaffold rental. A 10-minute phone call to the council's conservation officer before clicking checkout would have flagged the dark grey as inappropriate and saved roughly GBP 1,500.

FacadeColorizer Field Note: how UK homeowners actually pick a b and q masonry paint colour

FacadeColorizer Field Note. From the 16,983 previews analysed in our 2026 UK dataset, the typical buyer about to click checkout on a b and q masonry paint tin tests 4.7 shades on the visualiser before committing. The most common decision pattern: start with a GoodHome or Weathershield white (Pure Brilliant White or Linen White), compare against one warm cream (Magnolia or Gardenia), test one mid grey (Cool Concrete or Gallant Grey), and finish on the original choice in 71% of cases. The visualiser does not replace a 250 ml tester pot painted directly on the actual masonry under both morning and afternoon light, but it cuts the shortlist from the full B and Q ready-mixed range to a manageable three or four shades before any money leaves the bank account.

The single most expensive mistake we see in the dataset: choosing a Weathershield or Sandtex colour from the printed colour card under shop lighting. The 4000 Kelvin LED in a B and Q Warehouse aisle makes Gallant Grey look at least half a tone warmer than it appears on an actual north-facing Manchester wall on a grey February afternoon. The fix is straightforward: load the photo of your own home into the FacadeColorizer visualiser, run the top three GoodHome and Sandtex shortlist colours, then order a 250 ml tester pot of the final two shades from B and Q click and collect, paint two 600 mm by 600 mm patches on the actual elevation (one in shade, one in direct light), view the patches at 8 am, midday and 5 pm, then place the 10L click and collect order on the winning shade. Total preview-to-tin cost: roughly GBP 12 for two tester pots and a Tuesday evening on the visualiser, against a potential GBP 200 wrong-colour mistake.

Walking into B and Q this weekend? Cut the shortlist first.

Skip the 4000 Kelvin shop lighting. Upload your home photo, try the four most-trialled GoodHome and Sandtex shades side by side on your own elevation, and only order the tins once you can see how they actually land on your real wall. 1 HD preview plus 3 watermarked previews free, no card required, no signup beyond an email.

Open the free visualiser

Frequently asked questions about b and q masonry paint UK 2026

Below are the questions UK homeowners and decorators ask most often about b and q masonry paint, drawn from a mix of customer-service transcripts, decorator forums, the B and Q community pages and our own visualiser feedback. For wider exterior planning see the best paint for pebbledash walls UK guide.

Disclaimer: GoodHome, Sandtex, Dulux, Weathershield, Crown, Johnstone, Leyland, Farrow and Ball, Little Greene, B and Q, TradePoint, Wickes, Homebase, Screwfix, Sherwin-Williams and Benjamin Moore are trademarks of their respective owners. Use of these names is purely descriptive for editorial comparison and does not imply any affiliation or endorsement under section 1125 of US law or equivalent UK trade mark provisions. Prices, coverage figures and BS EN classifications are indicative for 2026 and may vary by retailer, region, batch and stock cycle.

Trademarks mentioned (Sherwin-Williams, Benjamin Moore, Behr, Caparol, Brillux, Sto, Alpina, Valspar, PPG, Glidden, Dulux, Crown Trade, Sandtex, Farrow & Ball, Johnstone's, Leyland) are property of their respective owners. FacadeColorizer is independent and not affiliated with any of them. Nominative fair use under Lanham Act §1125.

Share this article with your neighbourhood:

Related articles and colour guides

Ready to customise your home colour?

Colour visualiser

Try it on YOUR photos - customise your home colour

Stop guessing. Our AI analyses your photo and renders a photorealistic colour preview in 30 seconds - optimised for British homes, neighbourhoods and postcode-level light conditions.

Start a free colour simulation