Free Brick Quantity Estimator – Bricks, Mortar & Cost. Updated 2026 Prices.
Enter your wall dimensions, bond pattern, and brick type to calculate the exact number of bricks required, mortar quantities, and a full cost estimate for 2026 UK prices. All results include a standard 10% wastage allowance for cutting and breakage.
Calculating the number of bricks needed for a wall or brickwork project is straightforward once you know the key variables: the wall face area (length × height), the number of bricks per square metre (determined by brick format, mortar joint thickness, and wall thickness), and an appropriate wastage allowance for cutting and breakage. The brick calculator above handles all of this automatically — but understanding the underlying numbers helps you double-check estimates and compare quotes from contractors.
The most important number in UK brick calculation is 60 bricks per m² — the standard figure for a half-brick (single-skin, 102.5mm thick) wall using standard UK bricks (215 × 102.5 × 65mm) with a 10mm mortar joint. This figure is used by virtually every bricklayer and quantity surveyor in the UK as the baseline for brick estimates. A full-brick (one-brick, 215mm) wall requires 120 bricks per m². These round numbers arise directly from the coordinating dimensions of the standard UK brick: 225mm long × 75mm high including mortar joint, which gives 4.44 bricks per metre length and 13.33 courses per metre height — a product of approximately 59.3 bricks per m², rounded to 60 in practice.
Beyond the basic quantity calculation, you need to allow for wastage (cutting bricks to length at openings and corners, breakage during handling and cutting, and keeping spares for future repairs from the same batch), add the cost of mortar (approximately 1 bag of 25kg mortar per 40–50 bricks), and budget for labour (typically £350–£550 per day for an experienced bricklayer in 2026, laying approximately 400–600 facing bricks per day in straightforward stretcher bond work).
The standard UK brick has been standardised at 215mm × 102.5mm × 65mm (length × width × height) since the adoption of metric brickwork in the 1970s. When laid with a 10mm mortar joint, this gives coordinating dimensions of 225mm × 112.5mm × 75mm — the building module from which all brick coursing calculations are derived. The 3:1 ratio of length to height (225mm : 75mm) means that every course of headers (bricks laid across the wall width) locks in at exactly the same height as three courses of stretchers (bricks laid along the wall length), making English Bond and Flemish Bond work geometrically consistent throughout.
Brick and brickwork resources UK 2026: Brick Development Association (BDA) | Checkatrade – Find a Bricklayer | TrustATrader | GOV.UK Building Regulations | Planning Portal
| Joint Thickness | Half-Brick Wall (102.5mm) | Full-Brick Wall (215mm) | 1.5-Brick Wall (327.5mm) | 2-Brick Wall (440mm) |
|---|---|---|---|---|
| 8mm joint | 62 bricks/m² | 124 bricks/m² | 186 bricks/m² | 248 bricks/m² |
| 10mm joint (standard) | 60 bricks/m² | 120 bricks/m² | 180 bricks/m² | 240 bricks/m² |
| 12mm joint | 58 bricks/m² | 116 bricks/m² | 174 bricks/m² | 232 bricks/m² |
| Brick Format | Brick Dimensions (L × W × H mm) | Co-ordinating Unit (with 10mm joint) | Bricks per m² (half-brick, 10mm) | Typical Use |
|---|---|---|---|---|
| Standard UK | 215 × 102.5 × 65 | 225 × 112.5 × 75 | 60 | Universal – most UK brickwork |
| Metric Modular | 200 × 100 × 75 | 210 × 110 × 85 | 51 | Larger format; some commercial / housing |
| Imperial (old UK) | 230 × 110 × 70 | 240 × 120 × 80 | 52 | Older / reclaimed bricks; Victorian / Edwardian |
| Jumbo / King Size | 215 × 102.5 × 73 | 225 × 112.5 × 83 | 54 | Faster laying; larger appearance |
| Thin / Slim | 215 × 102.5 × 50 | 225 × 112.5 × 60 | 74 | Feature banding, cladding, soldier courses |
| Engineering (standard) | 215 × 102.5 × 65 | 225 × 112.5 × 75 | 60 | Same as standard – DPC, retaining, below ground |
| Brick Type | Price per Brick | Price per 1,000 | Notes |
|---|---|---|---|
| Commons / Builder's Brick | £0.25–£0.50 | £250–£500 | Internal / concealed only; no weather resistance |
| Standard Facing Brick | £0.45–£0.90 | £450–£900 | Most common UK facing brick; machine-made |
| Premium Facing Brick | £0.80–£1.80 | £800–£1,800 | Soft mud, textured, or special format |
| Handmade / Artisan Brick | £1.50–£4.00+ | £1,500–£4,000+ | Highest quality; bespoke colours and textures |
| Class B Engineering Brick | £0.55–£0.85 | £550–£850 | DPC, retaining walls, below ground |
| Staffordshire Blue Engineering | £0.85–£1.40 | £850–£1,400 | Class A equivalent; manholes, landscape, decorative |
| Reclaimed Brick | £0.40–£1.20 | £400–£1,200 | Variable quality; check for spalling and damage |
| Concrete Facing Block | £0.30–£0.70 | £300–£700 | Economy option; less thermal mass than clay |
All prices are indicative 2026 South East England supply-only estimates, excluding delivery and VAT. Deduct approximately 8–15% for North England, Scotland, and Northern Ireland. Add approximately 10–20% for Greater London. Brick prices vary significantly between suppliers — always obtain at least two quotes and confirm batch availability for larger orders to ensure colour consistency.
| Item | Typical Cost / Quantity (2026) | Notes |
|---|---|---|
| Bricklaying labour – facing brickwork (per 1,000 bricks) | £500–£800 per 1,000 | Varies by complexity; simple stretcher bond at lower end; complex bonding, arches, or feature work at higher end |
| Bricklayer day rate (2026) | £280–£480 per day | Wide regional variation; London and South East at higher end; self-employed rates typically lower than agency |
| Mortar – pre-mixed (25kg bag) | £6–£12 per bag | Approximately 1 bag per 40–50 standard bricks; 1 bag per 25–35 engineering bricks (tighter joints) |
| Mortar – site-mixed (per m³ of mix) | £40–£90 per m³ | Cement + sand + water; proportion depends on mortar designation (M4, M6); site-mix more economical for large projects |
| DPC membrane (bitumen, per metre run) | £1–£3 per metre | Laid at or above ground level; 112mm width for half-brick, 225mm for full-brick |
| Wall ties (stainless steel, per 100) | £15–£35 | Required at 900mm horizontal centres and 450mm vertical for cavity walls; stainless steel in exposed positions |
| Cavity insulation (full-fill, per m²) | £5–£15/m² | Mineral wool or EPS full-fill; installed during construction; structural engineer or NHBC to confirm specification |
| Strip foundation (per m run) | £120–£250/m run | Concrete strip footing; depth and width to Building Regulations AD Part A / structural engineer specification |
| Scaffold (domestic project) | £600–£2,500 | Depends on height and duration; required for walls above approximately 2m for safe working at height |
| Pointing / repointing (per m²) | £18–£40/m² | Flush, recessed, or struck joints; raking out and repointing existing mortar |
| Brick cleaning / acid wash | £8–£20/m² | Removing mortar stains after completion; dilute hydrochloric acid or proprietary brick cleaner |
| Bricklayer's labourer (per day) | £140–£220/day | Mixing mortar, supplying bricks, clearing up; required for most projects above 1–2 days' bricklaying work |
| Brick coping / capping (per m) | £8–£30/m | Engineering brick coping, concrete coping, or natural stone; protects top of wall from water ingress |
| Planning application fee (if required) | £258–£528 (England) | Walls over 2m (or 1m adjacent to highway) require planning permission; garden walls within PD limits are exempt |
The single most useful number in UK brickwork is 60 bricks per m² of wall face area for a half-brick (single-skin) wall using standard UK bricks (215 × 102.5 × 65mm) with a 10mm mortar joint. Double this to 120 bricks/m² for a full-brick wall. Add 10% for wastage — so 66 per m² or 132 per m². This figure is the basis of virtually every brick estimate in UK construction.
The standard UK brick is 215mm × 102.5mm × 65mm (length × width × height). With a 10mm mortar joint, the coordinating unit is 225mm × 112.5mm × 75mm. This 3:1 ratio of length to height (225:75) means that header courses in English and Flemish bond align perfectly with stretcher courses — the mathematical basis of traditional brickwork geometry.
Using standard UK bricks with 10mm joints, every 3 courses = 225mm in height (3 × 75mm). This is the fundamental coursing rule used by every UK bricklayer. Useful multiples: 4 courses = 300mm; 8 courses = 600mm; 13 courses = 975mm (near 1m); 27 courses = approximately 2,025mm (near 2m). Coursing rods are marked at 75mm intervals for setting out.
A standard rule of thumb for mortar consumption is approximately 1 bag (25kg) of mortar mix per 40–50 standard bricks for a half-brick wall with 10mm joints. For a full-brick wall (more bedding mortar in the collar joint), allow 1 bag per 25–35 bricks. Actual consumption varies with joint thickness, workmanship, and whether mortar is pre-mixed or site-batched from cement and sand.
An experienced UK bricklayer working in straightforward stretcher bond can lay approximately 400–600 facing bricks per day. Complex work (arches, feature bonding, brick-on-edge courses, engineering brickwork with close tolerances) reduces output to 200–350 bricks/day. For estimating labour cost: at 500 bricks/day and £400/day rate = approximately £0.80 per brick for labour or £800 per 1,000 bricks.
Bricks from different batches (kilnfirings) can vary noticeably in colour and texture — even from the same manufacturer with the same product name. Always order all the bricks you need from the same batch at once, including the 10% wastage allowance. Ordering a top-up delivery later risks a batch mismatch that is impossible to correct. Keep spare bricks from the original batch for future repairs.
In England, garden walls up to 1m high adjacent to a highway or footpath and up to 2m high elsewhere do not require planning permission under Permitted Development Rights. Walls higher than these limits require planning permission. In Conservation Areas, Article 4 directions may remove these PD rights — always check with your Local Planning Authority before starting. Building Regulations are generally not required for garden walls within height limits.
Reclaimed bricks are popular for extensions and garden features that need to match existing older brickwork. When using reclaimed bricks: check that they are not spalled or frost-damaged (tap each brick — a dull thud indicates damage); ensure they are the correct metric or imperial size; check that the colour variation is acceptable (reclaimed bricks are naturally variable); and confirm they are suitable for their intended application (not all reclaimed bricks are frost-resistant or suitable for below-DPC use).
Under BS EN 771-1, clay bricks are classified by frost resistance: F2 (highly frost resistant — suitable for all exposed positions including copings, parapets, and below DPC); F1 (frost resistant — suitable for most external positions not subject to severe saturation); F0 (passive — internal use only). Always specify F2 for copings, parapets, below-DPC work, and any position subject to driving rain and frost. Using F0 or F1 bricks in F2 positions leads to rapid spalling and failure.
Efflorescence is the white crystalline deposit that appears on the surface of new brickwork as soluble salts migrate to the surface with evaporating moisture. It is particularly common in new brickwork during wet weather. Efflorescence is largely cosmetic and normally disappears naturally within 1–2 years of weathering. It can be accelerated by gentle brushing with a stiff brush when dry; do not use water, as this dissolves the salts back into the brick and worsens the problem. Avoid washing new brickwork with water to remove efflorescence.
For general external facing brickwork in sheltered to moderate exposure, mortar designation M4 (approximately 1:1:5.5 cement:lime:sand by volume, or a proprietary M4 premix) is the standard UK specification. Stronger mortars (M6, M12) are used for engineering brickwork, below-DPC work, and exposed copings. Never use a mortar stronger than the brick — a mortar stronger than the brick it joints will cause the brick face to spall when thermal or moisture movement occurs.
Modern UK house external walls are almost universally built as cavity walls — two skins of masonry (typically 102.5mm brick outer leaf + 100mm insulated cavity + 100mm blockwork inner leaf) tied together with stainless steel wall ties. The brick calculator calculates the outer leaf quantity only. The inner leaf is typically concrete blockwork — calculate separately using block sizes (usually 440 × 215 × 100mm). The cavity must be kept clear of mortar droppings during construction.
For standard UK bricks (215 × 102.5 × 65mm) with a 10mm mortar joint, you need 60 bricks per m² of face area for a half-brick (single-skin, 102.5mm thick) wall. For a full-brick (one-brick, 215mm) wall, double this to 120 bricks per m². Always add a minimum 10% wastage allowance for cutting and breakage — so order 66 bricks per m² for a half-brick wall. For different brick sizes or joint thicknesses, use the brick calculator above to get exact quantities. The 60 bricks/m² figure is the universal UK industry standard and is used by virtually every bricklayer and quantity surveyor in the country.
To calculate bricks for a wall: (1) Calculate the gross wall face area: length × height in metres. (2) Deduct the area of any openings (doors, windows, gates). (3) Multiply the net area by the bricks-per-m² for your brick format and wall thickness (60/m² for standard half-brick with 10mm joint). (4) Add your wastage allowance (minimum 10%). Example: a garden wall 5m long × 1.8m high with a 2.1m × 0.9m gate opening: gross area = 9.0 m²; opening = 1.89 m²; net area = 7.11 m²; bricks = 7.11 × 60 = 427; plus 10% = 470 bricks to order. Use the calculator above to do this automatically.
Using standard UK bricks (65mm high) with a 10mm mortar joint, each course is 75mm high. Therefore: 1 metre = 13.33 courses (rounded to 13 complete courses = 975mm, or 14 courses = 1,050mm). Useful quick-reference coursing: 4 courses = 300mm; 8 courses = 600mm; 13 courses = 975mm; 14 courses = 1,050mm; 20 courses = 1,500mm; 27 courses = 2,025mm. Bricklayers use a gauge rod marked at 75mm intervals to check that courses are at the correct height as the wall rises.
The total installed cost of new brickwork in the UK in 2026 (supply and lay, excluding foundations, scaffold, and VAT) depends on brick type and specification. For standard facing brickwork (half-brick garden wall, stretcher bond): approximately £80–£150/m² in South East England, including bricks and labour. For premium facing brickwork or complex bonding: £120–£220/m². For engineering brickwork: £100–£180/m². These figures exclude scaffolding (add £600–£2,500 for walls above 2m), foundations (£120–£250/m run), mortar, DPC, and VAT. Labour alone typically accounts for 45–60% of the total cost. Always get at least three quotes.
The standard UK brick is 215mm long × 102.5mm wide × 65mm high — the metric standard adopted in the 1970s. With a 10mm mortar joint, the coordinating dimension is 225mm × 112.5mm × 75mm. This is the size used in the vast majority of UK brickwork since the 1970s. Before metric standardisation, the UK used an imperial brick of approximately 230mm × 110mm × 70mm — still encountered in Victorian and Edwardian buildings and available as new bricks for matching. The metric modular brick (200 × 100 × 75mm) is also used in some commercial construction but is less common than the standard 215mm brick.
Standard UK brick pallets contain between 400 and 500 bricks depending on the manufacturer and brick type. The most common pallet size for standard facing bricks is 400–480 bricks per pallet. Engineering bricks may be palletted at higher quantities due to their greater density and smaller volume per pallet weight. Always confirm the exact pallet size with your specific supplier before calculating the number of pallets to order — rounding to whole pallets is always the correct approach. A full pallet of standard UK bricks weighs approximately 850–1,100 kg. Confirm your site access can accommodate a pallet delivery vehicle and fork-lift or telehandler for offloading.
Stretcher bond — all bricks are laid lengthways (as stretchers) with each course offset by half a brick from the course below. This is the standard bond for half-brick (single-skin, 102.5mm thick) walls — cavity wall outer leaves, garden walls, and partitions. It cannot be used for a full-brick (one-brick) structural wall because there are no headers tying the two wythes together. English bond — alternating full courses of stretchers and full courses of headers. The header courses lock the two wythes of a full-brick wall together, producing the strongest traditional masonry bond. Used for retaining walls, manholes, and traditional structural brickwork where one-brick construction is required. English bond uses slightly more bricks than Flemish bond for equivalent strength, but provides maximum wall strength through its fully interlocked cross-ties.
The standard rule of thumb is approximately 1 bag (25kg) of ready-mixed mortar per 40–50 standard bricks for a half-brick wall with 10mm joints. For a full-brick wall (which requires mortar in the collar joint between the two wythes as well as the bed and perpend joints), allow approximately 1 bag per 25–35 bricks. For a specific project: divide your total brick quantity by 45 to get the approximate number of 25kg mortar bags required. Example: 500 bricks ÷ 45 = approximately 11 bags of mortar. Always round up. For large projects (above 10,000 bricks), site-batching mortar from bulk cement and building sand is significantly more economical than pre-mixed bags.
In England, most garden brick walls within standard height limits are permitted development — no planning permission required. The limits are: walls adjacent to a highway or footpath: maximum 1m high; walls elsewhere (rear and side garden): maximum 2m high. Walls exceeding these heights require planning permission. However, if your property is in a Conservation Area, National Park, AONB, or is a listed building, Permitted Development rights for garden walls may be restricted or removed by Article 4 directions — always check with your Local Planning Authority before starting. Building Regulations approval is generally not required for garden walls within the height limits, though retaining walls over 1m high adjacent to buildings or highways should be structurally engineered.
The correct mortar specification depends on the application and exposure. For general external facing brickwork in sheltered to moderate exposure: mortar designation M4 (approximately 1:1:5.5 cement:lime:sand by volume, or a proprietary M4 premix) is the standard UK choice — it provides adequate strength and durability while remaining flexible enough to accommodate thermal movement without damaging the brickwork. For exposed copings, parapets, and retaining walls: M6 mortar (stronger; 1:0.5:4.5 C:L:S or equivalent). For engineering brickwork below ground or in contact with sulphate soils: sulphate-resisting cement mortar at M6 or M12 designation. The critical rule: never use a mortar stronger than the brick — if the mortar is stronger than the bricks it joints, differential thermal movement causes the brick faces to spall rather than the joints to crack. Joints are designed to be the sacrificial element — they can be repointed; spalled bricks cannot.
Finding a reliable bricklayer requires some due diligence. Key steps: ask for recommendations from neighbours and friends who have had similar work completed recently; check reviews on Checkatrade, TrustATrader, or Google — look for reviews specifically mentioning brickwork quality; ask to see recently completed examples of similar work; obtain a minimum of three written quotations specifying brick type, mortar specification, and all works included; confirm the bricklayer carries adequate public liability insurance (minimum £1–2 million); agree a clear payment schedule tied to stage completions; and use a formal written contract for anything above £1,000. Be cautious of bricklayers who cannot provide recent references, who request large upfront payments, or who are vague about the specification they will work to.
The key distinction is intended exposure and appearance. Facing bricks are manufactured to present an attractive, consistent external face — they are specified for any brickwork that will be visible in the finished building, whether external or internal. They come in a wide range of colours, textures, and finishes (smooth, sand-faced, rustic, handmade, etc.) and must meet requirements for durability, colour consistency, and dimensional accuracy. Common bricks (also called builder's bricks or utility bricks) are lower-specification bricks intended for internal, concealed, or structural use where appearance is not important — inner leaf blockwork, backing masonry behind cladding, and below-DPC courses that will be rendered or covered. Commons are significantly cheaper than facing bricks but should never be used in any exposed external position, below-DPC level, or in positions subject to frost — they are not frost-rated (F0 classification) and will rapidly deteriorate if exposed to weathering.
Additional brick and brickwork resources UK 2026: Brick Development Association (BDA) | Checkatrade – Find a Bricklayer | Planning Portal | GOV.UK Building Regulations | TrustATrader