Dorset Museum & Art Gallery
Dorchester's county museum, founded in 1846 and housed since 1881 in a purpose-built neo-Gothic building on High West Street.
Learn more about Dorset Museum & Art Gallery on Google MapsRoof Repairs In Dorchester
Is something dripping, slipping or cracking on your Dorchester roof?
Repairs to Georgian, Victorian and Poundbury roofs, from one loose slate to a failed dormer
Roof repairs in Dorchester tend to fall into three camps. In the old centre behind High West Street it's usually lead: dormer cheeks, mansard kerbs and parapet gutters that have split after decades of heating and cooling. On the Victorian estates - Cornwall, Prince of Wales and Victoria Park - it's slate coming loose as the original nails rust away. In Poundbury the roofs are young, but the Duchy of Cornwall wants to approve even a small repair before anyone climbs up. We know which pattern to look for on each street, and we find the actual entry point before we price anything.
Roof Repairs Quote In Dorchester
Tell us a little about the roof and we will call you back.
Why Dorchester roofs need a careful repair
A repair is only worth doing if it fixes the cause. These are the Dorchester habits we've learned to check for.
01
Nail fatigue on 1870s-1900s slate
When one slate slips on a Victorian terrace, its neighbours are usually holding on by the same rusted nails. We test the slates around it and refix with copper nails or tingles rather than relying on a single replacement.
02
Split lead on Georgian dormers
Old lead that was laid in lengths that were too long cracks as it expands and contracts. We cut out the failed section and put in new lead with proper laps, which a tube of sealant can't imitate for long.
03
Stone slate that can be saved
A stone-slated roof that's leaking in one place doesn't automatically need stripping. We often lift a section, replace the cracked stones with reclaimed ones and lay the rest back on new battens.
04
Ridges bedded in mortar only
Older ridge tiles were held by mortar alone, which cracks and lets go. When we rebed them we add mechanical fixings, as current British Standards expect, so a winter gale doesn't lift them again.
05
Chimneys in soft brick
Many Dorchester stacks are built of soft Broadmayne brick. If they've been pointed in hard cement, the brick faces crumble and water gets behind the flashing. We repoint in a mortar the brick can live with.
06
Poundbury repairs done by the book
Because the Duchy has to give permission first, we send you a short written description of the repair and the materials, matched to what's already on the house, so the approval comes back without questions.
1,000+
Roofing projects completed
5★
Every review we have is five stars
10 yrs
Guarantee on roof replacements
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Roof surveys and written quotes
Dorchester
Repairing roofs across Dorchester's different districts
The conservation area roofs are a mix of slate, clay tile, stone slate and lead, and houses like the row on Glyde Path Road carry slate, plain tile and pantile on neighbouring roofs. That matters for repairs because we can't carry one type of slate and hope. We bring reclaimed stock that suits the house, and on listed buildings we keep to the same materials so the repair doesn't need consent it wouldn't otherwise have needed.
Out in Fordington and along Weymouth Avenue and Queen's Avenue, the Victorian and Edwardian houses are more predictable but older than people think. Valleys, chimney flashings and bay roofs are where they give up first. Poundbury is the opposite case: the roofs are sound and modern, and leaks tend to come from flashings or a single damaged slate, with the extra step of Duchy permission before we start.
If a survey shows the slates have had their day, we'll say so and quote for roof replacement in Dorchester alongside the repair, so you can compare the two honestly.
"On the Victorian estates in Dorchester, most of the 'one slipped slate' call-outs we attend turn up five or six more that are ready to go."
Step by step
How we repair a roof in Dorchester
- 1
Find where the water gets in
We check the ceiling stain, then the loft, then the roof. Water often travels along a rafter before it shows, so the wet patch and the fault can be a metre or two apart.
- 2
Show you the problem
You get photos of the damaged slate, lead or flashing, with a plain explanation of why it failed. On a listed or conservation-area house we'll note whether the repair stays like-for-like.
- 3
Fixed price before we start
We write the price down, including any access equipment. For Poundbury we add the description the Duchy needs and wait for its permission before booking a date.
- 4
Safe access to the roof
Small jobs can often be done from a ladder or tower. Bigger repairs on houses fronting the pavement need scaffold on the pavement, which we arrange.
- 5
Make the repair properly
Slates are refixed with copper nails or tingles, lead is replaced in correct lengths with proper laps, and ridges go back with mechanical fixings rather than mortar on its own.
- 6
Test what we've done
We check the repaired area and the junctions around it, and look in the loft again where we can reach it.
- 7
Leave it tidy
Broken slate, old lead and debris come away with us. You get a short note of what we found, what we fixed, and anything else on the roof worth watching.
Our guarantee
Ten years on a new roof, written down and signed
When we replace a roof in Dorchester, the paperwork you're handed at the end will, on all but a handful of unusual jobs, include a 10 year guarantee on the work. If yours is one of the exceptions, you'll know at quote stage, not after. It names your address, says what was done and is dated the day we sign the roof off. It covers the installation itself, meaning the battens, membrane, fixings, the slates or tiles and the junctions where the roof meets walls and chimneys. If any of that lets water in through a fault in how it went on, we come back and fix it without charging you.
A guarantee that long only makes sense if the roof is built properly underneath, so it shapes the job from day one. Every slate or tile is mechanically fixed to the current British Standard rather than relying on its own weight, which matters on a stretch of coast where the wind arrives with nothing in its way. Breathable membrane goes on before the battens. Valleys, abutments and chimneys get proper lead or a tested dry-fix system, never a smear of mortar that cracks in its third winter.
Materials carry their own manufacturer cover on top, and that differs from product to product. Your paperwork says which one applies to your roof.
10
Year guarantee on roof replacements
1,000+
Roofing projects completed
Signed paperwork at handover, with photos of the roof taken before, during and after.
Repairing a Dorchester roof: the three options
On an old slate or stone roof the cheapest fix is rarely the cheapest over five years. Here's how a proper repair stacks up against a quick patch and a full replacement.
| Comparison point | Proper repair | Sealant or quick patch | Full roof replacement |
|---|---|---|---|
| How long it lasts | Years, often until the roof is due for replacement anyway | Weeks to a couple of seasons | Forty years or more, depending on material |
| Time on site | Half a day to two days | An hour or two | One to three weeks for a typical house |
| Typical cost | £150 to £1,500 for most jobs | Low, but often paid more than once | £7,000 upwards for a terrace or semi |
| Scaffolding | Often not needed | Rarely needed | Always needed |
| Effect on the rest of the roof | Surrounding area checked and left sound | Can trap water and hide rot beneath | Everything renewed down to the rafters |
| When it's the right call | Isolated faults on a roof with life left in it | Emergency holding measure only | Widespread slipping, failed felt, or repeat leaks |
What a roof repair costs in Dorchester
Most Dorchester repairs land somewhere between £150 and £1,500. Where yours falls depends mostly on the four things below.
Access in the old centre
Around High West Street and the streets off it, many houses front the pavement with no side access. Anything beyond a ladder job there needs scaffold on the pavement, which adds to the cost of even a small repair.
Heritage materials
Reclaimed stone slate, matching clay tiles and new lead all cost more than modern slate. On a conservation-area or listed house we price for the right material from the start rather than surprising you later.
How far the damage has spread
A single slate on a Victoria Park terrace is a short job. If the nails have failed across a whole slope, refixing a wider area costs more but saves repeat call-outs.
Roof shape
Mansards, dormers and parapet gutters take longer to work on than a simple pitched roof. Georgian houses in the centre often have all three, and the labour reflects that.
Roof Repairs in Dorchester: your questions
Why do slates keep slipping on my Victorian house in Dorchester?
Houses on the Cornwall, Prince of Wales and Victoria Park estates were built from the late 1870s onwards. Slate of that era was usually hung on iron nails, which rust through after a century or so. Once a few let go, others follow, so we check the whole slope rather than refixing one slate and leaving.
Do I need permission for a roof repair in Dorchester?
Dorset Council is the planning authority. Like-for-like repairs normally don't need planning permission, even inside Dorchester Conservation Area, and the town's Article 4 direction covers boundary walls, gates and fences rather than roofs. Listed buildings may need listed building consent if the repair changes their character. In Poundbury, the Duchy of Cornwall must give permission before any external repair begins.
Does Dorchester's weather cause particular roof problems?
Being inland, Dorchester is less exposed than the coast, and the nearest Met Office station, down at Wyke Regis, records roughly two-thirds of the UK's average rainfall. The damage we see comes more from age than climate: rusted nails, cracked mortar ridges and lead that has fatigued. A strong gale simply finds the weak spots first.
Can you repair a leak around a dormer window?
Yes, and it's one of the commonest jobs we do in the town centre. We check the lead cheeks, the apron below the window and the soakers along the sides, then replace whatever has split. Sealant on old lead is a stopgap at best.
Will you patch it with sealant to save money?
We'd rather not, and we'll explain why. Sealant over cracked lead or slate can buy a few months, but it traps water and makes the proper repair harder later. If budget is tight we'll suggest the most important part to fix first.
What to do in Dorchester
Maiden Castle
Iron Age hillfort about 1.6 miles south-west of Dorchester, built around 600 BC and one of the largest in Britain.
Learn more about Maiden Castle on Google Maps
Max Gate
Thomas Hardy designed this house on the edge of Dorchester in 1885 and lived there until 1928; it is now run by the National Trust.
Learn more about Max Gate on Google MapsFind us working in Dorchester
Reviews
What customers around Dorchester say
More than a thousand roofing jobs finished, and every review customers have left us is five stars.
Those reviews are on their way onto this page. Until they land, ask us for photos of recent jobs near you in Dorchester when we come out to quote - seeing a finished roof on a house like yours tells you more than any star rating.
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Get your Dorchester roof repaired properly
Send us a photo or tell us what you've spotted, and we'll come up from Weymouth for a free look and a fixed written price.