⌂ RoofingCalculatorHQ

Bitumen Shingle Cost Calculator (UK)

Estimate 2026 UK bitumen shingle installation cost by line item: IKO Armourshield 3-tab, IKO Cambridge architectural laminate, IKO Crowne designer, or impact-rated Class 4. Strip-out, breather underlay, eaves protector, drip edge, ridge cap, starter strip, deck repair, Building Control, skip disposal. NFRC 2026 contractor rates.

Asphalt Shingle Cost Calculator

2026 UK bitumen shingle installation cost by line item — IKO Armourshield 3-tab, IKO Cambridge architectural laminate, IKO Crowne designer, or impact-rated Class 4. Cool-shingle solar-reflective adder, strip-out, breather underlay, eaves protector, drip-edge, ridge cap, starter strip, deck repair, Building Control, and skip disposal. 2026 NFRC contractor rates.

Estimated shingle roof cost
£199,540
Range: £169,609 – £239,448
shingle + strip + underlay + eaves + drip + ridge + starter + deck + disposal
Shingle installed
£143,000
Strip-out
£39,600
Underlay
£8,400
Eaves strip
£1,280
Drip edge
£1,700
Ridge cap
£1,760
Starter
£1,000
Deck repair
£0

What this calculator estimates

This calculator gives you a line-by-line installed 2026 UK price for a bitumen shingle roof — whether you are choosing IKO Armourshield 3-tab, mainstream IKO Cambridge architectural laminate, designer IKO Crowne Slate, or impact-rated Class 4. The mechanic follows the same line-item structure that NFRC-member roofers use on real quotes:

  • Shingle material — 3-tab, architectural, designer, or impact-rated (installed)
  • Cool-shingle adder — solar-reflective variant (rarely needed in UK)
  • Strip-out — removing the existing roof covering down to the deck
  • Breather underlay — BBA-approved membrane (Tyvek Supro, Klober Permo Air)
  • Eaves protection strip — self-adhered membrane at eaves and valleys (per linear foot)
  • Drip-edge metal — at eaves and rakes (per linear foot)
  • Ridge cap shingles — per linear foot
  • Starter strip — factory-made eave and rake course (per linear foot)
  • OSB deck replacement — per 2.4×1.2 m sheet
  • Building Control notification, skip disposal, weekend premium

A £385 minimum call-out fee applies in most UK shingle markets — even a small repair requires a two-person crew with scaffold or tower, harness, and skip permit.

How to use it

  1. Enter roof area in m². For a typical 3-bedroom semi-detached, this is 90 to 130 m²; for a detached house, 140 to 220 m².
  2. Pick shingle grade — Armourshield 3-tab is budget, Cambridge architectural is mainstream, Crowne Slate is designer, Class 4 is for storm-prone coastal sites.
  3. Set scope — spot repair (15% of area), partial replace (45%), or full strip-and-reroof (100%).
  4. Set storey count — single-storey 1.0x, two-storey 1.2x, three-storey (Edwardian or Victorian) 1.45x.
  5. Set access difficulty — easy (front / driveway) is 1.0x, moderate (rear / side garden) 1.1x, hard (terraced / no scaffold) 1.3x.
  6. Toggle cool shingle adder if installing solar-reflective product (rare in UK).
  7. Enter linear feet for eaves protection, drip edge, ridge cap, and starter strip.
  8. Enter OSB sheets if the strip-out has found rotted decking — typically 0 to 3 sheets on a 30-year-old roof.

Typical 2026 UK bitumen shingle cost ranges

These ranges reflect 2026 nationwide pricing from the NFRC contractor pricing survey, IKO UK and Onduline UK distributor rate sheets, and Q1 2026 Checkatrade and MyBuilder quotes from London, Birmingham, Manchester, Leeds, Glasgow, and Bristol.

Shingle system (180 m², two-storey, moderate access)2026 installed price
IKO Armourshield 3-tab, full strip-and-reroof£8,500 – £12,500
IKO Cambridge architectural laminate£11,500 – £17,000
IKO Crowne Slate designer£17,000 – £26,000
Impact-rated Class 4£14,000 – £21,000
Spot repair (15%)£1,200 – £2,400
OSB deck per 2.4×1.2 m sheet£35 – £45
Eaves protection per linear foot£15 – £18
Drip-edge per linear foot£7.50 – £10
Ridge cap shingle per linear foot£20 – £25

Add 20 percent for two-storey, 45 percent for three-storey or higher. Add 10 to 30 percent for moderate to hard access. Add 25 percent for weekend or out-of-hours work.

Cost drivers

Scaffold or tower hire. Scaffolding is a significant UK cost component that the US market does not have. Expect £450 to £950 for scaffold hire on a typical semi-detached for 1 to 2 weeks. Tower hire is cheaper at £200 to £400 but only suitable for single-storey or gable-end work.

Skip and disposal. A 6-yard skip is £220 to £320 in most of the UK, with a road permit if the skip sits on the public highway. A typical 180 m² reroof generates 1 to 1.5 skips of waste — bitumen shingles cannot go to general construction waste under Hazardous Waste Regulations 2005 if they contain asbestos (very rare in shingles, common in old felt).

Building Control. Notification fee £200 to £400. If the existing insulation falls below current U-value (0.16 W/m²K), the regulations require upgrading at reroof time. Many homes built before 2002 fail this and need £800 to £2,500 of extra insulation added.

Wind zone. BS 5534 maps UK into wind zones 1 to 5. Zones 3+ (much of Scotland, Welsh coast, Cornwall, East Anglia coastal) require 6-nail fixing pattern, additional ridge mechanical fixing, and may require Class 4 shingles. Add 8 to 15 percent for exposed-coastal jobs.

Strip-out depth. A single layer of existing felt or shingle on sound OSB is fast and clean. Multiple layers of historic concrete tile on rotten boards requires careful strip-out, structural assessment, and likely full OSB replacement — push the deck line item from £0 to £600+.

VAT. UK reroof on existing dwelling: 20% VAT applies in most cases. New-build dwelling: zero-rated. Some energy-efficiency upgrades qualify for 5% VAT under VAT Notice 708/6 if the reroof is paired with insulation upgrades.

UK code, standards, and certifications

  • BS 5534:2014+A2:2018 — Slating and tiling for pitched roofs and vertical cladding code of practice.
  • BS 8217:2005 — Reinforced bitumen membranes for roofing code of practice.
  • BS EN 544:2011 — Bitumen shingles with mineral and/or synthetic reinforcement product standard.
  • Approved Document C — Site preparation and resistance to contaminants and moisture (weather resistance).
  • Approved Document L — Conservation of fuel and power (U-values, thermal performance).
  • Approved Document A — Structure (wind loading per BS EN 1991-1-4).
  • BBA Agrément Certificate — Third-party product approval (mandatory for main-roof use).
  • NFRC Tech Bulletin 13 — Manufacturer-neutral installation guidance.
  • Work at Height Regulations 2005 — Fall protection above 2 m.
  • CDM Regulations 2015 — Construction phase plan and notifiable projects.

Use an NFRC member roofer with the IKO Roofpro or Marley Approved Installer certification. The certifications can be verified directly with the trade body and protect the homeowner via the consumer redress scheme.

Diagnostic step-by-step before quoting

  1. Take photos of the existing roof from the ground at four corners and document any visible damage, lifted tabs, moss, or staining. This becomes the baseline if storm-damage insurance is involved.
  2. Inspect the loft from inside with a torch — look for water staining, light coming through, or daylight at eaves indicating soffit-vent issues. Soft, sagging, or stained sarking signals a deck-repair line item.
  3. Use Streetview and OS MasterMap to estimate area — many UK roofers will quote off measured floor-plan area plus pitch factor without an in-person measure first.
  4. Get three written itemized quotes with shingle, strip-out, underlay, eaves strip, drip edge, ridge cap, starter, deck repair, Building Control, scaffold, skip, and VAT as separate line items. Lump-sum quotes hide the real cost drivers.
  5. Confirm the guarantee — written manufacturer guarantee registered in the homeowner’s name within 60 days, plus written contractor workmanship guarantee (minimum 5 years, ideally 10+, ideally backed by an insurance-backed warranty scheme like NFRC’s RoofCERT or IWA).

Avoiding scams and overcharging

Doorstep roofers (‘travellers’) are the biggest source of UK shingle-roofing fraud. Red flags include unsolicited ‘I noticed a problem with your roof’ calls, claims that the entire deck is rotten without photo evidence, refusal to itemize the quote, no NFRC or TrustMark registration, no BBA Agrément for the proposed shingle, demands for full payment up front in cash, and pressure to start work ‘today’. Reputable UK roofers carry £2M public liability, accept bank transfer or credit card, provide a fully itemized written quote, and never start work without a signed contract and a deposit no greater than 25 percent. Always check TrustMark, NFRC, or Checkatrade for the contractor’s complaint history. The Citizens Advice consumer service is the route to complaint if a job goes wrong.

Sources: 2026 NFRC contractor pricing survey; IKO UK and Onduline UK 2026 distributor rate sheets; BS 5534:2014+A2:2018; BS EN 544:2011; Approved Document A / C / L; BBA Agrément product database; NFRC Tech Bulletin 13; Work at Height Regulations 2005; CDM Regulations 2015; Q1 2026 Checkatrade and MyBuilder quote scrape across England, Scotland, and Wales.

Frequently asked questions

How much does a bitumen shingle roof cost in 2026 in the UK?
Most UK homeowners pay £60 to £125 per square metre installed for a bitumen shingle roof in 2026, all-in with strip-out, BBA-approved breather underlay, eaves protector strip, drip-edge metal, ridge cap shingles, and starter strip. A 180 m² semi-detached or detached house with IKO Cambridge architectural laminate lands around £11,500 to £17,000. IKO Armourshield 3-tab is £8,500 to £12,500 in the same size; IKO Crowne Slate designer is £17,000 to £26,000; impact-rated Class 4 is £14,000 to £21,000. Source: 2026 NFRC contractor pricing survey; IKO UK and Onduline UK 2026 distributor rate sheets; Q1 2026 Checkatrade and MyBuilder quote scrape across England, Scotland, and Wales.
Are bitumen shingles common in the UK?
Bitumen shingles (often called felt-shingles or asphalt shingles in the UK) are most common on garden offices, summerhouses, sheds, dormer cheeks, and outbuildings rather than main-roof primary cladding. Main-roof use is growing in modern timber-frame houses and self-build projects, where the lighter weight (10 to 14 kg/m²) and faster installation are attractive vs concrete or clay tile (40 to 55 kg/m²). IKO, Onduline, and Marley Eternit are the dominant UK shingle brands. Use IKO Cambridge or IKO Crowne for main-roof primary cladding to meet BS 5534 wind-uplift and BBA Agrément Certificate compliance.
What does BS 5534 require for bitumen shingle installation?
BS 5534:2014+A2:2018 'Slating and tiling for pitched roofs and vertical cladding — Code of practice' applies to bitumen shingles installed in the UK. Key requirements: minimum 14° pitch (about 3/12) for IKO Cambridge or Crowne, 18° (about 4/12) for IKO Armourshield 3-tab; mechanical fixing with copper or stainless steel galvanised nails (corrosion class C4 minimum); each shingle nailed with 4 nails on roofs up to 21° and 6 nails on roofs steeper than 21° or in exposed wind zones; ridge cap shingles bedded and fixed; full BBA-approved breather underlay (Tyvek Supro, Klober Permo Air) over rafters; ventilated cold-roof construction unless warm-roof detailing per BS 5250. NFRC Tech Bulletin 13 sets manufacturer-neutral installation guidance.
Do I need Building Control approval for a reroof?
Replacing more than 25 percent of a roof slope counts as a 'material alteration' under the Building Regulations 2010 and requires Building Control notification in England and Wales (Approved Document L on thermal performance and Approved Document C on weather resistance both apply). The Building Control fee is typically £200 to £400 for a single-dwelling reroof and triggers an upgrade obligation: if the roof is over 25 percent replaced, the insulation must be upgraded to the current U-value requirement (0.16 W/m²K for new roofs). Many homeowners are caught out by this — budget for £800 to £2,500 of extra insulation if the existing roof is poorly insulated.
How long does a bitumen shingle roof last in the UK climate?
IKO Armourshield 3-tab: 15 to 20 years. IKO Cambridge architectural: 25 to 35 years. IKO Crowne Slate designer: 40 to 50 years. UK climate is actually kind to bitumen shingles — cooler temperatures, less UV than southern European or US sun-belt climates, and infrequent extreme weather give bitumen shingles a near-best-case service life. The main UK failure modes are wind uplift on exposed coastal or upland sites (specify the higher-wind-rated product), and moss-and-algae build-up in shaded north-facing positions (specify granules with algae inhibitors and budget for an every-5-year soft wash).
Is a cool / solar-reflective shingle worth it in the UK?
Generally no. Cool-roof products are designed for cooling-dominated climates where summer cooling load is the biggest energy draw. The UK is heating-dominated — most homes spend 70 to 85 percent of annual energy on heating, not cooling. A high-reflectance roof actually increases heating load in winter. The exception is south-facing roofs of homes that overheat in summer (loft conversions, third-floor bedrooms) — the 18 percent upcharge is occasionally worthwhile there. Otherwise stick with standard granule colours and meet the Building Regulations on insulation U-values.
What is the best bitumen shingle for a UK self-build?
IKO Cambridge or IKO Crowne Slate for the main roof. Cambridge is the mainstream architectural laminate — wider colour palette, 30-year guarantee, BBA Agrément Certificate 06/4361, suitable to 14° pitch. Crowne Slate is the designer profile — heavier shingle, slate-look shadowing, 40-year guarantee, more expensive. For dormer cheeks, outbuildings, and garden offices, the smaller Onduline Bardoline or IKO Marathon are easier to handle and cheaper. Always verify BBA Agrément is current — products in the UK without BBA approval will fail Building Control inspection and may void mortgage or warranty cover.
How long does a UK bitumen shingle reroof take?
A 180 m² semi-detached house architectural shingle reroof takes 2 to 3 working days with a 3-person team — slightly longer than a US install because UK weather windows are shorter and crews are smaller. Add a day for two-storey work, half a day for valleys or chimneys, and 1 to 2 days if the deck OSB or sarking needs replacement. Schedule between April and October — installing in cold or wet UK winter weather requires hand-sealing every tab and adds 25 to 40 percent to labour cost.

Related calculators