Clay tiles, hand-made or machine-made, have covered roofs in and around Stroud for a long time, and many of those roofs now sit in a conservation area or on a listed building. Both designations change what you can do. A conservation area looks after the appearance of an entire street or district. Listing protects an individual building, inside and out. The two overlap, and each brings its own questions about tiles, mortar, rooflights and ridges.
This guide sets out how consent works for a roof, how tiles are matched when the originals have gone, and what to ask the conservation officer before the scaffold goes up. It does not cover whether an ordinary house may change its tile colour; for that, see changing roof tile colour and planning. For the wider service, see pitched roofing. This is guidance, not legal advice; the council decides for its own area.
Three kinds of protection, and what each means for a roof
People often say a house is protected without being sure how. The distinctions matter, because the rules for the roof differ.
Listed buildings
Every listed building, at any grade, carries legal protection covering both its interior and its exterior, as Stroud District Council sets out. Altering a listed building without authorisation, where the works affect its character, is an offence under the 1990 legislation. A roof is an obvious part of that character. For a curtilage structure such as an outbuilding, the council advises asking its conservation department about its status.
Conservation areas
The council names 41 conservation areas in Stroud District, from Painswick and Minchinhampton to the mill valleys. A conservation area does not make every roof a protected one in the way listing does. It does narrow permitted development, and in some areas there is an Article 4 Direction as well.
Article 4 Directions
An Article 4 Direction withdraws specified permitted development rights across a defined area. Stroud has five: Wotton Under Edge and Bisley, Frampton on Severn, and two in Stroud itself, the Top of Town and the central area. Whether any of them reaches roof coverings is not stated on the council's website, so ask the planning team rather than assume.
Re-roofing with the same materials, where the look of the building does not change materially, is not normally development, yet it is still worth checking the house against the listing and the conservation area, including any Article 4 direction.
When listed building consent is needed for tiles
Listed building consent is a separate permission from planning permission. It is required where works would alter the character that earned the building its listing. Whether a particular roof repair does so is a judgement for the council, which is why we do not guess.
As a working guide, the more a job looks like routine maintenance with the same materials in the same pattern, the more likely the council is to be comfortable. Replacing a handful of broken tiles with matching ones, re-seating slipped tiles and renewing a lead flashing sit at that end. Changing the tile type, colour, size or pattern, replacing a handmade covering with machine-made tiles, altering the roof structure or adding rooflights sit at the other, and need the conservation officer's view before anything is ordered.
What to send the council
An application for listed building consent normally wants a description of the existing roof, photographs, the proposed materials and a statement of why the work is needed. We provide photographs taken of your roof at the survey, the extent of failure and a clear schedule of what is to be done, so you or your agent can apply.
Churches and chapels
For a church still in use, the diocese authorises roof work by faculty, which stands in for listed building consent under the ecclesiastical exemption. A redundant church or converted chapel normally falls to the council for listed building consent. If your building is either, ask before assuming which route applies.
Do the paperwork first. Starting a roof job on a listed building before consent is in place is an offence under the 1990 Act, even if the work itself is sound.
Handmade clay tiles and the problem of matching
Hand-made clay tiles are formed one at a time and fired in a way that gives each one a slightly different shape, colour and surface. Put a new machine-made tile beside an old handmade one and the difference is obvious: the new tile is flat and even, the old one is gently cambered, textured and varied in colour. That variation is much of what gives an old roof its character, and it is what the conservation officer wants to see kept.
When tiles fail we have a choice between reclaiming sound tiles from elsewhere on the roof, sourcing reclaimed tiles of the same pattern, and ordering new handmade tiles to match. The right choice turns on the building and what the council will accept.
Clay plain tiles and their pitch
Plain clay tiles are laid at a steeper pitch than most other coverings. Marley lists minimum pitches of 30 to 40 degrees across its clay plain tile ranges; pantiles can go lower. An old roof may be steeper than any of those figures, and that steepness is part of how it sheds water. Manufacturers' data sheets give the limit for each product.
Sorting what you have
A good deal of this work happens on the ground. Tiles lifted from a roof are sorted into those still sound, those with minor flaws and those past use. Sound tiles are kept for the most visible slopes, and surplus ones from a back slope or an outbuilding can sometimes be used to repair the front. We photograph the roof before anything is lifted so we can put it back as it was.
How long clay tiles last, and what that tells you
Published figures for clay tile life disagree, and the disagreement is informative. MyBuilder's cost guide gives 40 to 60 years. Marley, citing the BRE, refers to a minimum life expectancy of 60 years. CORC says well-maintained clay can last more than 100 years. The Building Conservation Directory goes further, calling the often-quoted 60-year life clearly unreliable while roofs hundreds of years old are still working.
Those are typical ranges, and none is a promise. Exposure, workmanship and maintenance decide which end any one roof lands at. What the range tells a homeowner is that a clay roof is not a short-term item. The covering often outlasts the fixings, the battens and the underlay beneath it.
What usually fails first
On older roofs, the first things we look at are the fixings, the timber, the ridge and the flashings, not the tiles. Individual tiles may delaminate or spall on their faces, particularly where frost has got into them, but a roof full of sound tiles can still leak because the nails have rusted or the battens have rotted. Often the right answer is a strip, a repair to the timbers and a re-lay with the tiles reused. Our guide to why tiled roofs leak covers the common faults.
Valleys, ridges and the details a conservation officer notices
On a protected roof, the tiles are only part of the picture. Details at the valleys, ridges, verges and eaves give a roof its character, and they are what the officer will look at in a photograph.
Valleys
A valley is the trough where two roof slopes join. Traditional work often used specially cut tiles or, in other roofs, a lead-lined valley. A swept or laced valley, in which the courses curve round the angle, looks quite different from an open lead gutter. We cover the types in our guide to tiled roof valleys. On a protected building, a change from one type to another is a change of appearance and should be raised with the council.
Ridges and hips
Ridges are bedded in mortar and, since the 2014 revision of BS 5534, also held by mechanical fixings. That standard stopped relying on mortar alone. Where a conservation officer wants a traditional bedded look, we use clay ridge tiles to match, bedded in a suitable mortar, and add the fixings below the visible line. A dry-fix ridge, which BS 8612 covers, looks different and may not be accepted on a listed building.
Verges and eaves
A verge is the roof edge that runs up a gable end. On old roofs it is often finished with tile-and-a-half, under-cloak tiles, or a simple mortar pointing. The shape and projection of these edges is easy to lose in a repair. We note and photograph them before the work starts.
Lead flashings, soakers and the lead code used are written into the quote so the council can see them.
Talking to the conservation officer
Many owners find the idea of contacting the council intimidating. It rarely is. Conservation officers handle these questions daily, and an early conversation usually saves time. Stroud District Council's planning and conservation pages are the place to start, and the officer can confirm if the building is listed, which area it lies in, and whether an Article 4 Direction applies.
What to ask
- Is the building listed, and is any outbuilding covered as curtilage?
- Is it in a conservation area, and is there an Article 4 Direction that touches roof coverings?
- Would the proposed repair need listed building consent?
- Does the council have a view on the tile type, size and colour, or on reclaimed against new?
- Would rooflights, vents or changes to the ridge need separate consent?
What we bring
We bring the photographs from the survey, a description of the failure, a schedule of tiles to be reused or replaced and a clear statement of materials. We talk you through consent and, for notifiable work, deal with the Building Regulations notification. If the officer wants a sample tile or a specification change, we include that in the written quote.
Be wary of anyone who says that a protected roof can be done without asking. Starting without consent is an offence, and it is the owner who is liable, not the roofer.
Cost, regulations and how a protected-roof job is run
Expect a protected roof to cost more per square metre, for plain reasons: matching materials, slower hand work and the survey and paperwork around the job. Checkatrade's 2026 roof repair guide gives clay tile repair at £110 to £160 per m², excluding VAT and access. A typical full re-roof runs £5,000 to £12,000 in MyBuilder's 2026 guide, with scaffold priced at around £1,125. All figures here are third-party national guides.
Steep lanes and hillside access raise the cost of lifting tiles up and carrying waste down, so the survey puts a price on them instead of springing them on you later. Your written quote covers scaffold, stripping, tiles, battens, underlay, ridge, labour, waste and making good.
Regulations
For a re-roof, the Planning Portal's Building Regulations thresholds are 25 per cent of the building envelope and 50 per cent of the roof; below both, an application is not normally needed. Approval and a structural check apply to a covering 15 per cent or more heavier, which matters if a clay roof is to be replaced with a heavier tile or stone. Underlay and ventilation on older roofs are worth planning with the officer; see our underlay guide for the options.
Dormers sit outside permitted development in a conservation area or the Cotswolds National Landscape, so a new dormer needs planning permission; our dormer roofs guide explains how they are roofed. On completion the site is left clear, the waste is removed and the work comes with a 10-year workmanship guarantee on paper.