Cheltenham’s Regency townhouses are among the finest examples of early 19th-century architecture in England. The crescents and terraces of Montpellier, Lansdown, Pittville and Bayshill were built between approximately 1820 and 1860 — and many are still covered with their original or near-original Welsh slate roofing, now between 100 and 200 years old.

Cheltenham’s Regency townhouses are among the finest examples of early 19th-century architecture in England. The crescents and terraces of Montpellier, Lansdown, Pittville and Bayshill were built between approximately 1820 and 1860 — and many are still covered with their original or near-original Welsh slate roofing, now between 100 and 200 years old. Working on these buildings requires a different approach, different materials, and an understanding of the planning and conservation constraints that apply.

What Makes Regency Roofs Different

The typical Regency roof in Cheltenham presents several characteristics not found on other housing stock:

Welsh slate from specific quarry regions

Original slate on Cheltenham’s Regency stock came predominantly from the Ffestiniog quarry region of north Wales. This slate has a distinctive blue-grey colour, a moderate surface texture, and a specific thickness and cleft pattern. When individual slates need replacing on a conservation area property, matching the original slate precisely — in colour, texture, thickness and size — is not optional; it may be required under planning conditions and is always aesthetically important.

New Welsh slate from the same quarry region is available, but good-quality reclaimed Ffestiniog slate is often a closer match to weathered 19th-century originals and is our preferred choice for repair work on Regency stock. Sourcing takes longer than ordering standard new slate but produces the correct result.

Lime mortar requirements

Ridge and hip tiles on period Cheltenham properties should be bedded in lime-based mortar, not modern cement. Cement mortar is harder than the surrounding masonry and can cause cracking and damage to original stonework and tile edges as the building moves and settles over time. Soft lime mortar accommodates this movement. Some listed building consents specify lime mortar explicitly; even where they don’t, it’s the correct technical choice.

Lead flashings

Cheltenham’s Regency properties typically have multiple chimney stacks — many in groups — and complex roof geometries at junctions between bay windows, dormers and adjacent properties. All of these junctions require lead flashing. On period properties we use Code 4 lead minimum for step flashings and Code 5 for cover flashings and soakers. Quality lead work, correctly dressed, should outlast the surrounding slate by decades.

BS 5534 — the British Standard Code of Practice for slating and tiling — sets the fixing specifications that a compliant UK roof installation must meet, including wind-uplift resistance requirements relevant to exposed sites.

Conservation Area Constraints in Cheltenham

Cheltenham has six designated conservation areas, covering the Regency town centre and several Victorian and Edwardian residential areas. Within conservation areas:

On listed buildings (of which there are a significant number in Cheltenham’s Regency core), listed building consent is required for any works that affect the character of the building. Roof replacement on a Grade II listed property in Montpellier requires both planning permission and listed building consent before work can begin.

We work regularly on Cheltenham’s Regency and Victorian listed properties. We can advise on planning requirements and handle all material sourcing. Free consultation available.

📞 Call 0124 235 2251 — Conservation Specialist

Finding the Right Materials

For reclaimed Welsh slate matching, we work with specialist salvage suppliers who hold significant stocks of pre-war Welsh slate in a range of sizes and thicknesses. If you’re replacing a handful of slates on a Lansdown terrace, we will source matched reclaimed stock before starting work rather than using whatever is on our vehicle. This matters both for planning compliance and for maintaining the visual continuity of a uniform terrace.

For new conservation-area work where a full re-slate is needed, we specify new Welsh slate from quarries currently producing material in specifications appropriate to 19th-century buildings. We can provide sample slates for approval before ordering.

What Work Typically Needs Doing on Regency Roofs

The most common jobs we carry out on Cheltenham’s period properties are:

Last reviewed: August 2026 by Cheltenham Roofing Experts.