NEXT GENERATION INSULATION
From a handful of slipped tiles to a full roof replacement. TrustMark registered. Free roof survey and quote across Leicester, Nottingham, Derby, Birmingham, and the wider Midlands.
Structural and Thermal Roofing Solutions Across the Midlands
When repairs can no longer guarantee the weather protection or structural safety of your home, a professional roof replacement is the only viable long-term investment. At Next Generation Insulation, we deliver complete, high-performance re-roofing systems engineered to modern structural and thermal regulations.
Serving homeowners, commercial property owners, and landlords across Leicester, Nottingham, Derby, Birmingham, Stafford, and the wider Midlands, our certified in-house teams specialise in complex engineering projects. From complete timber re-framing to integrating advanced thermal barriers, we ensure your asset meets strict modern building control demands.
Investing in a complete re-roofing project is about more than just aesthetics, it is a critical long-term investment in the structural and thermal safety of your property. Our certified in-house teams specialise in managing complex engineering challenges from initial stripping through to complex timber re-framing. By combining high-performance thermal barriers with precise roofing craftsmanship, we ensure that your asset meets strict modern building control demands while providing decades of dependable weather protection.
A successful roof replacement is not just about laying new external coverings. It requires building a balanced, fully integrated multi-layer system that manages external weather loading, internal structural weight distribution, and moisture dynamics.
We completely remove all existing slates, clay or concrete tiles, old rotten battens, and deteriorated bitumen underlay felt down to the naked structural rafters. All material waste is systematically sorted and responsibly disposed of by our team, ensuring your property remains immaculate.
With the structural bones of the roof fully exposed, our technical surveyors inspect every rafter, purlin, wall plate, and ceiling joist for signs of rot, structural deflection (such as sagging), or woodworm infestation.
Timber Sistering: Weakened original rafters are structurally reinforced by securing new, pressure-treated timber beams directly alongside them.
Structural Integrity: If long-term water ingress or bad ventilation has compromised structural timbers, we replace sections entirely using high-grade, C24 structural timber to satisfy building control requirements.
We replace failing, non-permeable underlay with advanced multi-layer breathable roofing membranes. Operating in strict compliance with BS 5250:2021, these membranes function as a protective skin that lets internal moisture vapour escape freely from inside your loft space, while preventing external wind-driven rain from penetrating the interior. This completely eliminates internal condensation issues, preventing the onset of dry or wet rot in your rafters.
New, heavy-duty roofing battens are mechanically secured over the breathable membrane. We use only premium, pressure-treated structural timber battens graded explicitly to BS 5534 standards. This ensures uniform spacing, precise layout gauges, and optimal weight loading across your structural walls.
Choosing the correct external material is vital to match regional wind-load conditions, structural load capabilities, and preservation requirements.
| Covering Type | Structural Considerations | Best Performance Case | Expected Lifespan |
| Concrete Interlocking Tiles | Moderately heavy, requiring solid structural timber support and precise counter-batten gauges. | Excellent cost-to-performance ratio for modern detached and semi-detached properties. | 40-50+ Years |
| Plain Clay and Rosemary Tiles | Heavy dead-load weight, requiring a double-lap structural array layout and rafter fortification. | Ideal for traditional, Edwardian, and heritage properties across East Midlands conservation areas. | 60+ Years |
| Natural and Synthetic Slate | Lightweight but brittle, requiring corrosion-resistant fixing clips or hand-nailed copper fixings. | Period property transformations, Victorian terrace restorations, and high-wind exposures. | 75+ Years |
Real experiences from real people – featuring our expert team
A primary catalyst for full roof replacement across the Midlands is the historical application of closed-cell or open-cell spray foam insulation to the underside of the roof structure.
Applying spray foam directly to internal roof coverings seals the tiles, battens, and timbers together. This blocks natural structural movement, seals in ambient moisture, and accelerates timber decay behind the foam layer. Consequently, properties with spray foam insulation routinely fail homebuyers surveys, making them entirely unmortgageable by major UK lenders.
Unlike standard roofing companies that refuse to handle hazardous foam insulation, Next Generation Insulation provides a complete turnkey solution. Our specialised insulation extraction team carefully removes the chemical foam layers from the timber structure.
Once the timbers are clear, our roofing division steps in seamlessly to repair structural framing and execute a complete re-roof. This holistic execution guarantees that your property is completely reinstated to full mortgage compliance under a single corporate warranty.
A complete roof replacement is the most cost-effective moment to replace your home’s roofline infrastructure. Because compliant safety scaffolding is already fully erected, you avoid paying for secondary access setups in the future.
Solid-Core UPVC Fascia Boards: We remove rotting timber fascias and replace them with thick, structural-grade UPVC boards. These support the heavy dead-weight of the bottom tile row and provide a rock-solid mounting profile for your gutter systems.
Ventilated Soffit Systems: New UPVC soffits are fitted neatly to seal the rafter overhang. We incorporate continuous concealed ventilation channels within the soffit run to pull fresh air into the eaves, reinforcing the airflow demanded by BS 5250:2021.
Deep-Flow Rainwater Systems: We design and install high-capacity UPVC gutter runs and downpipes matched to the exact water runoff requirements of your new roof profile, preventing water from splashing against your brickwork.
We do not use sub-contractors. Your roof replacement is managed continuously by our in-house technical personnel from initial assessment to final sign-off.
We perform a complete physical and drone-assisted inspection of the roof structure, pitch variables, and loft access points to map out a custom structural framework layout.
You receive a detailed technical quote specifying every component, from structural timber grades and tile profiles to ventilation counts, ensuring a zero-hidden-extras guarantee.
Our qualified crew designs and erects safe, fully enclosed edge-protection scaffolding around your home, meeting all strict HSE regulations before any material is stripped.
Our roofers strip old materials, rectify underlying timber damage, install breathable underlayments, and lay your brand-new tile system to rigorous BS 5534 compliance rules.
We conduct a multi-point quality check. Following a full site deep-clean, we dismantle the scaffolding and deliver your comprehensive technical documentation pack and Certificate of Guarantee.
For a standard semi-detached property in the Midlands, a full roof replacement generally takes between five to seven working days. This timeline can adjust depending on weather variables and whether structural timber repairs or comprehensive spray foam removal are required.
Lenders refuse mortgages because spray foam seals off the roof timbers, preventing air circulation. This traps moisture directly against the structural wood, causing hidden rot. RICS surveyors cannot safely verify the structural health of the roof frame, leading lenders to mark the property value as zero until the foam is removed and the roof structure is certified.
No. You can comfortably remain inside your property throughout the entire roof replacement project. Our construction work is managed completely from the exterior scaffolding systems. We take strict measures to ensure that your home remains weather-tight and secure at the end of each working day.
