How Much Does a New Roof Cost in Hoylake?

Hoylake sits at the exposed north-west corner of the Wirral peninsula, with a good deal of substantial late Victorian and Edwardian property built as the town developed around the sea and the golf links.

Two things follow from that for a new roof. The buildings are handsome and often complicated, which drives the labour. And the position is coastal, which raises a question about materials that an inland roof never has to answer.

What Salt Air Actually Affects

Not the covering, in most cases. Slate is inert stone; a good clay or concrete tile is fired or cast and does not much care about salt. What salt-laden air is harder on is metal.

The fixings

Nails and clips hold the covering on, and they are the part of a roof most likely to give out first in any position. Near the coast that process runs faster. The answer is appropriate fixing metallurgy for the covering and the environment rather than whatever is cheapest — it is a small proportion of the cost of a roof and it is the part holding everything else in place.

The flashings

Lead at chimneys, abutments and valleys. Lead itself weathers well, but the detailing matters more here: a flashing that is formed and dressed properly into a mortar joint behaves quite differently from one bedded in mastic and hoped for.

Everything ferrous

Hip irons, brackets, fittings, and anything holding guttering up. On a coastal roof these are worth specifying rather than accepting by default.

Why the Buildings Themselves Cost More to Cover

This is the larger part of a Hoylake figure, and it has nothing to do with the sea.

Substantial period property means complicated roofs: hips, valleys, dormers, bay roofs, and frequently more than one chimney stack. Every one of those is a place the roof stops, which means cutting, and most of them need lead. Lead work is slow, skilled and priced by weight.

The consequence is that measured area is a poor guide. Two properties of similar size can differ substantially on the number of junctions between them, and it is the junctions rather than the slopes that move the figure.

And the covering is often slate

Which is slower to lay than tile by a wide margin, because a slated roof takes several times as many units per square metre and each one is placed and nailed by hand.

The Rest of the Variables

• The condition of the timbers. Unknown until the covering comes off. Agree the rate for defective timber in advance and ask to be shown it.
• The covering chosen. Usually the largest single decision, and on period property in a conservation area the range may be narrower than expected.
• Access. Generally better on Hoylake's larger plots than on a terrace, which helps — scaffolding, site set-up and disposal barely change with roof size, so they weigh most on the smallest jobs.
• What else is done at the same time. Fascias, soffits, guttering and chimney repointing all need the same scaffold. On a coastal property the guttering and its brackets are worth looking at while the access is there.

The Conservation Area Question

Hoylake contains two of Wirral's 26 conservation areas — Meols Drive and The King's Gap. If your property is inside one, that does not make a like-for-like re-roof a planning matter: putting the same covering back does not materially affect the external appearance of the building, so it is not development at all.

What it affects is a visible change of covering, where the test is applied a good deal more tightly. Wirral Council can confirm whether a specific address is inside a conservation area, and whether the building is listed, at no cost. Worth doing before you commission quotations rather than after.

The Regulations, in Brief

Two separate systems. Planning: a like-for-like re-roof does not materially affect the external appearance of a building, so under section 55 of the Town and Country Planning Act 1990 it is not development at all and needs no permission. A visible change of covering can be a different matter, particularly inside a conservation area, where the test is applied more tightly.

Building regulations: where more than 50% of the roof's surface area is renewed, or the work forms part of a major renovation, regulation 23 of the Building Regulations 2010 requires the roof to be brought up to current thermal standards so far as that is technically, functionally and economically feasible — 0.16 W/(m²K) for a roof in an existing dwelling. A patch repair does not trigger it, and neither does a roof over unheated space such as a detached garage.

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