UK Roof Replacement Cost Calculator

Concrete tile covering costs area times the installed allowance plus confirmed extras and tax; the default example is about £12,500.

Roof size from
m²

On the slope, including roof overhangs.

Covering supplied and fitted; confirm removal, scaffolding and structural work separately.

Sourced planning rates without a regional price multiplier. Get a local quote.

GBP/m²

Before tax. Leave blank for the sourced range; a quote replaces that range.

Add confirmed extra quotes

Zero means excluded or already included, never free. Enter additional before-tax amounts only, so the base package is not counted twice.

GBP
GBP
GBP
GBP
gable roof area diagramCovering · access · VAT
Concrete tile: 80 m². Diagram is illustrative, not a fixing or structural design.

Concrete tile, 80 m², including VAT

£12,500

Low £7,400High £17,500
Per m², including tax
£155.75
The maths
  1. Roof area

    80 m² measured on the slope = 80 m²

  2. Installed allowance

    80 m² × £129.79 before tax = £10,383.20

  3. Additional quotes

    Confirmed extras outside the installed package = £0.00

  4. VAT

    £10,383.20 × 20% = £2,076.64

  5. Total

    Before-tax allowance + tax = £12,459.84

The headline rounds to the kit's planning precision. Tax-unclear guides have a wider net range covering both possible tax treatments; the midpoint is a budgeting allowance.
ItemTotal

Concrete tile

80 m², Covering supplied and fitted; confirm removal, scaffolding and structural work separately.

£10,400

£6,200 to £14,600

VAT (20%)

Standard taxable supply-and-install contract; contractor input taxes are already embedded in its net price.

£2,100

£1,250 to £2,900

Researched 1 October 2026, in GBP. Installed labour is included. No regional multiplier or waste allowance. Unquoted extras are excluded.

Check consent before altering a listed building or a roof in a conservation area. Your UK nation's planning and building rules apply.

Concrete tile covering costs area times the installed allowance plus confirmed extras and tax; the default example is about £12,500.

Price the covering before the access work

A terrace and a detached house can have very different scaffold requirements even when the measured roof areas match. Start with the actual surface to be covered. A roof area already measured on the slope does not need another pitch multiplier. If you know only the footprint, enter dimensions that include the overhangs and let the pitch calculation find the slope area. Dormers, valleys and separate extensions need their own measurements; a simple rectangle is not a survey of a complicated roof.

Concrete tiles, clay tiles and natural slate have different supplied-and-fitted allowances. These are covering budgets, rather than promises that every part of a reroof is included. Ask the tradesperson whether stripping, waste handling, battens, underlay and ridge details appear in the installation rate. Scaffolding should specify the sides, lift heights, pavement permissions and hire period. Add the actual access quote instead of assuming every semi-detached house needs the same scaffold.

Worked example: 80 m² of concrete tile

The default net triple is £77.08 / £129.79 / £182.50 per m². Its midpoint gives 80 × £129.79 = £10,383.20 before tax. Standard VAT adds £2,076.64, producing £12,459.84. The large result rounds this to £12,500, with additional quotes set to zero. That zero means scaffolding, strip-out, fascia and guttering are excluded or already included in a confirmed covering quote. It does not mean those services are free.

Reference prices for a new UK roof

CoveringCheckatrade supply and fit, GBP/m²MyJobQuote material plus labour, GBP/m²
Concrete tile£120–230£65–135
Clay tile£160–275£70–150
Natural slate£160–275£125–335

Sources read 1 October 2026: Checkatrade roof installation and MyJobQuote new roofs. The second column of comparison rates is constructed from separately listed material and labour ranges. Neither guide establishes a consistent tax basis for those figures, so the calculator widens the net range to allow both interpretations before blending. A confirmed before-VAT quote replaces the allowance.

London, Scotland and consent

The region selector records where the work will happen. It does not invent a London surcharge or a Scottish discount. A local quote can change access, travel and labour substantially. Standard VAT is 20%; this estimate does not determine whether a particular renovation qualifies for an exception. Check your nation's building rules and ask the planning authority about listed buildings or conservation areas before changing the roof's appearance.

A switch from lightweight tiles to slate also needs a structural check. Treat insulation, ventilation and drainage as parts of the roof design, not as optional finishes added after the covering has been ordered.

Plan the rest of the job

Use the slate roof replacement cost calculator for slate quantities and headlap. For a rear extension, the flat roof replacement cost calculator UK separates deck and insulation quotes. A glazed room needs the conservatory roof replacement cost calculator. Check the roof angle with the roof pitch calculator before comparing specifications.