The finished Langley roof in clay plain tiles, with half-round ridge tiles and new lead flashing to the chimney
Roof Replacement

Langley

Complete roof replacement, and a second roof for the house next door

Langley · three-bedroom family home and the neighbouring property · clay plain tile roofs

Overhead view of the new red clay tile roof in Langley, with ridge tiles and lead flashing to the brick chimney
The finished roof. Clay plain tiles, half-round ridge tiles and new stepped lead flashing to the chimney.

The brief

We were already on site in Langley, working inside on the extension and refurbishment of a three-bedroom house, including two bathrooms and the sitting room. That work is covered in its own case study. This one is about the roof.

Partway through the job, the client told us he felt the roof needed replacing. Rather than decide from the ground, we recommended bringing in a specialist roofing surveyor with a drone, so that every slope, valley and ridge could be inspected properly and nothing was left to guesswork.

The drone inspection confirmed what the client suspected. There was damage across the roof and cracked tiles in a number of places, and patching it would only have put off the problem. With the full report in hand we priced the job, the client agreed, and we replaced the roof completely.

Making the house watertight first

The work started as summer was coming to an end, heading into September, when the weather can turn at any time. We could not take any risks. A full scaffold went up with a temporary roof over the whole house and sheeting all the way around, so the house was completely watertight before we started stripping the old roof.

On every roof we replace, a temporary roof goes up first. It adds a little to the cost of the job, but it means the house is fully covered from the day the old roof comes off to the day the new one is finished, and the work inside can carry on without interruption. In roofing, it is always better to be safe than sorry.

Roof slopes battened out under a temporary scaffold roof, next to a finished section of red tiles
New battens going on under the temporary roof.
Two BNS roofers laying breathable membrane beside stacks of clay tiles, with exposed rafters above
The old roof stripped back to the rafters, with the new membrane being laid.

Stripping back and starting again

The old roof was stripped right back to the rafters. We laid a new BBA-approved breathable membrane across every slope, then new treated battens, set out carefully so that every course of tiles would run straight and true across the full length of the roof.

BNS roofer standing on the scaffold, looking down at the street
Battening out a full slope.
BNS roofer fixing clay tiles over new timber battens on a steep slope
Tiling up from the battens, one course at a time.

The tiles

The roof is finished in clay plain tiles in a mixed red and dark brindle, chosen to suit the age and character of the house. Plain tiles are small and each one is fixed by hand, so a roof of this size means thousands of tiles laid one at a time, with the coursing checked all the way up.

First courses of red clay plain tiles laid over new timber battens
The first courses laid from the eaves.
A strip of red tiles running up the slope beside rows of bare battens
The tiles sweeping up the slope over the new battens and membrane.

Valleys, hips and ridges

This is not a simple roof. It has hips, valleys and a large chimney, and these are the places where a poor roof lets water in. In the valleys we used purpose-made valley tiles, laid so the tiles turn the corner in one continuous sweep with no metal showing. Around the chimney we fitted new stepped lead flashing.

Red clay valley tiles laid in a line down the centre of a roof valley
Purpose-made valley tiles being laid into the valley.
Finished valley, with the plain tiles meeting in a neat central line
The finished valley, with the courses turning the corner in one line.

Along the ridges and hips we fitted half-round clay ridge tiles on a dry, ventilated fixing system. It lets the roof breathe, and because there is no mortar, there is nothing to crack and fall out in years to come.

Black dry ridge roll laid along the ridge, with the first half-round ridge tile in place
The ventilated dry ridge roll going on before the ridge tiles.
Long run of half-round ridge tiles along the finished roof, each held with a metal clip
The finished ridge, each tile mechanically fixed.

The neighbour

While we were working, the owner of the house next door was watching. He saw how the house was protected, how the team worked, and how carefully every detail was finished. Before we had completed the first roof, he asked us to replace his roof as well.

We ended up roofing both houses at the same time, to the same standard. For us there is no better recommendation than a neighbour who watched us work every day and then asked us to do his own home.

Roof part-tiled, with bare battens still showing around the hips and the chimney
The roof part-way through, with valleys and hips being worked in.
The same roof complete, with the hips, valleys and ridge tiles finished around the chimney
The same roof finished.

The result

A completely new clay tile roof, properly inspected, protected throughout and finished in every detail, and a second new roof on the house next door, built to exactly the same standard.

Front of the Langley house, with a new clay tile roof, a tile-hung gable and a roof window
The front of the house, with the new clay tile roof and the tile-hung gable.

Project details

  • Location: Langley
  • Property: Three-bedroom family home, plus the neighbouring house
  • Inspection: Specialist roofing survey by drone
  • Scope: Complete roof replacement on two neighbouring houses
  • Protection: Full scaffold with temporary roof and sheeting all around
  • Roof: Clay plain tiles, new breathable membrane and battens, valley tiles, lead flashing, dry ventilated ridges and hips

Services used on this project

  • Specialist roof inspection by drone
  • Full scaffold, temporary roof and sheeting
  • Complete roof strip and replacement
  • Clay plain tiling
  • Valleys, hips and ridges
  • Lead flashing and chimney work
  • Dry ventilated ridge systems
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