Do I need planning permission to change my roof tiles?

Not usually, as long as the new materials don't project beyond the existing roof plane. In conservation areas, you should match the existing materials.

Can I add rooflights without planning permission?

Generally yes, under Class C, as long as they don't project more than 150mm beyond the roof plane.

How much does a roof alteration cost?

Roof alteration costs in North West England typically range between £3,500 and £11,000, with rooflights at the cheaper end and a full re-roof with new materials at the higher end.

Do I need Building Regulations for a roof alteration?

Depending on the work, you may need Building Regulations approval for structural changes, insulation, or fire safety requirements.

Project guideGPDO Class C

Roof alteration in Wirral: Planning Permission Guide

What you need to know about roof alterations in Wirral — re-roofing, rooflights, and changing materials.

£548

application fee

8 wks

typical decision

≤0.15m

rooflight proud

Wirral has conservation areas including Birkenhead Park (Britain's first publicly-funded park and a model for New York's Central Park), Hamilton Square, West Kirby, Hoylake, and Port Sunlight (a Grade II* listed model village with exceptionally strict design controls). Listed building density is very high in Port Sunlight and Hamilton Square. Coastal sections have AONB considerations around the Dee Estuary. Conservation enforcement is notably strict in Port Sunlight.

Council planning portal Pre-application advice

Local data PD rules Costs Professionals Constraints FAQs

Will yours qualify?

Free 2-minute check for your Wirral address.

Run my free check

Personalised odds

5 nearest comparables & refusal reasons for your address.

Get my report — £9 See a sample →

Recent roof alteration decisions in Wirral

The 5 most recent decided applications. Addresses redacted to postcode area.

Granted

Proposed 'Change-of-use' from former Storage Yard (previous owner), to Proposed EV Charging Facility containing 3no Steel Framework …

CH462026-05-31

Granted

Discharge (Part) of Condition 5 (Solar Panels) of planning permission DLS/25/00376

2026-05-17

Lawful Use

Solar panels installation on roof (amended description).

CH482026-05-10

Granted

planning application for a single storey extension and roof alterations

CH612026-04-26

Granted

Amendments to roof tile and installation of rear roof light ( APPH/25/00134)

CH602026-04-26

These are borough-wide. See the 5 nearest to your address.

Get my report — £9

Permitted Development Rules

Class CPart 1

Any other alteration to the roof of a dwellinghouse

GPDO 2015, Schedule 2, Part 1, Class C

Roof alterations (other than dormers and loft conversions) are covered by Part 1, Class C of the GPDO. The key rule is that the alteration must not project beyond the existing roof plane.

Key dimension limits

Must not project beyond existing roof planeMaterials must match existing

These are the maximum GPDO limits for a detached house with no constraints. Your actual limits depend on your property type, location, and any planning restrictions.

Enter your postcode to see the personalised limits for your roof alteration.

Check my limits

Typical Costs in North West England

Roof alteration costs vary depending on the scope — adding rooflights is much cheaper than a full roof replacement.

Roof alterationNorth West England

Cost per m²

£550–£1,500

construction rate

Typical total

£3,500–£11,000

Typically includes

MaterialsLabourScaffolding

Typically excludes

Planning application feeBuilding regs fee

Covers re-roofing, changing roof materials, adding rooflights. Full roof replacement is at the higher end.

Get a personalised cost estimate based on your actual roof alteration dimensions.

Get my estimate

Which Professionals Do You Need?

Most roof alterations don't need an architect, but a roofing contractor or draughtsperson can prepare any required drawings.

A draughtsperson or architectural technician can prepare any drawings needed. A full architect may not be necessary.

Architect / designerOptional

Roof alterations may need drawings for Building Regulations, but a draughtsperson or roofing contractor can often provide these.

Typical fee: £500–£2,000 (Basic drawings if needed)

Structural engineerNot needed

Party wall surveyorNot needed

Planning consultantNot needed

This guidance is based on a typical semi-detached house with no special constraints. Listed buildings, conservation areas, and attached properties may require additional professional input.

Find out exactly which professionals you need for your roof alteration.

Get personalised guidance

Conservation Areas & Listed Buildings

In conservation areas, roof alterations that change the appearance of the roof may be more tightly controlled. Materials should match the existing roof.

Conservation areas

Properties in conservation areas often have reduced permitted development rights. Some project types (like side extensions) lose PD rights entirely. An Article 4 Direction can remove additional PD rights.

Listed buildings

Listed buildings (Grade I, II*, or II) have no permitted development rights at all. Any external alteration requires Listed Building Consent in addition to any planning permission. An architect experienced in heritage work is essential.

Check if your property is in a conservation area or has other planning constraints.

Check my property

Frequently Asked Questions

Just want a quick yes/no for your roof alteration?

Run our free 2-minute check to see whether your project likely qualifies as permitted development in Wirral. For personalised approval odds and nearby comparables, get the £9 report.

Free 2-min check

Related guides

Loft conversion

GPDO Class B

Dormer

GPDO Class B

Solar panels

All guides