Lead roofing and flashing specialists covering Friar Gate and the DE1 area. Chimney step flashings, valley linings, bay window roofs and parapet capping — all in correctly specified Code 4 or Code 5 lead with a 10-year workmanship guarantee.
Tell us the job in 30 seconds. No pushy sales, no call-out fee.
A Friar Gate lead valley or flashing failure lets water into the awkward parts of the roof. Friar Gate is one of England's finest Georgian streets, under an Article 4 Direction — its listed and conservation townhouses demand matched materials, lime mortar, correct leadwork and consent, with pavement scaffold tightly controlled. Friar Gate's tall Georgian roofs and stacks weather hard, and their leadwork and slate need heritage-grade renewal. We renew it to last decades.
Every Friar Gate job starts with a free survey and a written, fixed-price quote — no call-out fee. Friar Gate is one of England's finest Georgian streets, under an Article 4 Direction — its listed and conservation townhouses demand matched materials, lime mortar, correct leadwork and consent, with pavement scaffold tightly controlled. We tell you honestly what the roof needs and what it does not, whether you are near Friar Gate or Vernon Street.
A recurring finding on Friar Gate properties built before 1980 is mastic applied over deteriorating lead flashings. The pattern is consistent: a previous roofer patches with mastic, the mastic lasts 3–5 years, the homeowner calls us with a recurrent leak, and we find the original lead failure still present beneath multiple mastic layers. We strip the mastic completely, assess the underlying lead, and either re-dress if salvageable or replace to the correct specification. We never apply mastic over existing mastic.
Bay window flat roofs are a common feature on Friar Gate's Victorian and Edwardian terraces. The original Code 6 lead on the oldest bay roofs has often survived 80+ years and may still be serviceable. Where it has cracked from thermal fatigue it needs replacement rather than patching. Valley linings and parapet capping similarly require correct code lead at the right drip detail to prevent water running behind the coping.
Friar Gate is a conservation area with one of the finest Georgian streetscapes in the East Midlands — all visible work requires Welsh slate, lime mortar and period-appropriate lead specification. For lead roofing work in Friar Gate, the correct specification must account for these local conditions rather than applying a generic Derby-wide approach. We have carried out lead roofing work across Friar Gate and understand the specific requirements of the area.
All quotes in Friar Gate are free, provided in writing, and fixed before any work starts. Call 0133 240 5131 to arrange a free inspection. We typically respond to Friar Gate enquiries the same working day.
Chimney step flashings: £400–£900 | Valley lining replacement: £500–£1,200 | Bay window lead roof: £600–£1,500 | Parapet capping: £800–£2,000 | All work Code 4/5 lead
“Conservation area Georgian property — Welsh slate matched from reclaimed stock. Consent documentation provided.”
“Lead parapet capping to correct Code 6 specification. Only contractor who knew the right spec.”
“Chimney repoint in lime mortar on our 1790s townhouse. Perfect job.”
When a Friar Gate roof starts giving trouble, the symptoms point the way. Lead is the traditional weatherproofing for the vulnerable junctions of Derby's older roofs — flashings, valleys, bay and porch roofs, parapet gutters. When it fails, water gets into the most awkward parts of the roof. On Friar Gate roofs the warning signs tend to come early, because friar gate's tall georgian roofs and stacks weather hard, and their leadwork and slate need heritage-grade renewal, so it pays to act promptly here.
Call us if you notice any of the following:
When it is not the answer: If a flashing has simply lifted from the mortar and the lead is sound, re-dressing and re-pointing it is enough — full renewal would be oversell Read the full guide.
We assess the lead's code, condition and detailing — much failure is from wrong-code or over-long lead installed cheaply. We know Friar Gate well enough to arrive prepared for what the period stock around Friar Gate typically needs.
A fixed price to renew in correct-code lead with traditional detailing.
Safe access is arranged for the leadwork.
Failed lead is stripped and renewed in correct-code lead — Code 4/5 for flashings and valleys — with welted joints and correct sizing for thermal movement.
We confirm the detail is weathertight and hand over the guarantee.
| Job | Typical duration |
|---|---|
| Renew a flashing | half a day |
| Lead valley renewal | 1–2 days |
| Bay/porch roof re-lead | 1–2 days |
| Parapet gutter re-line | 2–3 days |
| Heritage leadwork (complex) | 2–4 days |
Lead is dressed on site and needs workable conditions — heavy rain pauses the work. Friar Gate timings can shift with the weather, since friar gate's tall georgian roofs and stacks weather hard, and their leadwork and slate need heritage-grade renewal, so we build in margin.
Leadwork needs safe standing time, so scaffold or a secure tower is arranged for most jobs beyond a simple flashing. Scaffold is specified for: valleys, bay roofs, parapet gutters and any leadwork needing sustained standing time - always itemised in your written quote, never a hidden extra, and we arrange it.
Friar Gate is one of England's finest Georgian streets, under an Article 4 Direction — its listed and conservation townhouses demand matched materials, lime mortar, correct leadwork and consent, with pavement scaffold tightly controlled. Pavement scaffold and skip permits go through Derby City Council; allow a few working days on streets like Friar Gate, Vernon Street where space is tight.
| Job | Typical range | Notes |
|---|---|---|
| Renew a flashing | £250–£600 | Correct-code lead |
| Lead valley renewal | £600–£1,400 | Per valley |
| Bay/porch roof re-lead | £700–£1,600 | Per roof |
| Parapet gutter re-line | £1,000–£2,500 | Per scope |
| Heritage leadwork | Per spec | Conservation |
Worked example: Renewing a lead valley on a Victorian slate terrace in Peartree — around £950 including access.
Staged payment on larger leadwork, balance on completion. No large deposit. VAT included.
Covering DE1 and surrounding postcodes.
Leadwork carries a 10-year workmanship guarantee; correctly-installed lead to BS EN 12588 lasts 60–100 years, far outlasting the cheap alternatives it often replaces. Every Friar Gate job carries it, whether you are near Friar Gate or out toward Vernon Street.
Any fault in guaranteed work and we're back to make it good, free of charge.
Contained work at the roof junctions, some access scaffold, and minimal disruption inside — most leadwork is invisible from the ground once done. You do not need to stay home for external work - we just need power and access agreed in advance.
Lead can be worked in most conditions but is dressed and detailed best in the dry; correctly-sized lead with expansion joints handles Derby's temperature swings without splitting. Friar Gate's tall Georgian roofs and stacks weather hard, and their leadwork and slate need heritage-grade renewal.
Chimney step flashings: £400–£900. Valley lining: £500–£1,200. Bay window roof: £600–£1,500. Free quotes on all Friar Gate lead work.
Correctly specified Code 4 lead has a design life of 60–80 years. Original Victorian lead on Friar Gate period properties is often still serviceable after 100+ years.
Yes — if the lead is structurally sound (not cracked through, not thinned below 1mm) it can be re-dressed to restore the correct profile. Where it has fatigued and cracked, replacement is necessary.
Lead is the required specification for all conservation area and listed building work in Friar Gate. Lead-alternative products are not accepted.
Code 4 (1.80mm) for chimney step flashings and soakers. Code 5 (2.24mm) for apron flashings, valley linings and bay window roofs where greater thermal stress applies.
Yes — we strip all existing mastic, assess the underlying lead, and either re-dress or replace to correct specification. We never apply more mastic over existing mastic.
Lead flashings most often fail at concealed junctions — where step flashings meet soakers, or where aprons meet walls. The visible surface can look intact while the critical junction has opened. We inspect from working height.
No call-out fee. Fixed price. 10-year guarantee on all work.