--- title: "Loft Conversions Stockport | Dormer & Hip-to-Gable" description: "Expert loft conversions across Stockport, Cheadle and Bramhall. Dormer, hip-to-gable, mansard and Velux conversions. 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Your itemised quote follows once we have properly surveyed the work and agreed the scope with you." } }, { "@type": "Question", "name": "Are you fully insured?", "acceptedAnswer": { "@type": "Answer", "text": "Yes. Greenbank Building Services Ltd carries comprehensive public liability insurance." } }, { "@type": "Question", "name": "Which areas do you cover?", "acceptedAnswer": { "@type": "Answer", "text": "We cover Stockport, Cheadle, Bramhall, Hale, Wilmslow, Altrincham, Sale, Didsbury and the wider Trafford area." } }, { "@type": "Question", "name": "Do you handle planning and structural drawings?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — we manage planning applications, building regulations and structural engineer drawings end-to-end." } }, { "@type": "Question", "name": "How long has Greenbank been trading?", "acceptedAnswer": { "@type": "Answer", "text": "Greenbank Building Services Ltd has been trading since 2017, and Lewis Gormley has been managing residential building projects across Stockport and Cheshire since 2011. Company No. 10785566." } } ] }, { "@context": "https://schema.org", "@type": "Service", "serviceType": "Loft Conversions", "name": "Loft Conversions in Stockport", "provider": { "@type": "GeneralContractor", "name": "Greenbank Building Services Ltd", "telephone": "+447360269988", "url": "https://greenbankbuildingservices.co.uk", "address": { "@type": "PostalAddress", "streetAddress": "79 Altrincham Rd, Gatley", "addressLocality": "Stockport", "postalCode": "SK8 4EG", "addressCountry": "GB" } }, "areaServed": [ { "@type": "City", "name": "Stockport" }, { "@type": "City", "name": "Cheadle" }, { "@type": "City", "name": "Bramhall" }, { "@type": "City", "name": "Hale" }, { "@type": "City", "name": "Wilmslow" }, { "@type": "City", "name": "Altrincham" }, { "@type": "City", "name": "Sale" }, { "@type": "City", "name": "Didsbury" }, { "@type": "City", "name": "Trafford" } ], "description": "Expert loft conversions across Stockport, Cheadle and Bramhall. Dormer, hip-to-gable, mansard and Velux conversions. Site visit booked within 48 hours.", "url": "https://greenbankbuildingservices.co.uk/services/loft-conversions", "offers": { "@type": "Offer", "url": "https://greenbankbuildingservices.co.uk/contact", "priceCurrency": "GBP", "availability": "https://schema.org/InStock", "itemOffered": { "@type": "Service", "name": "Loft Conversions" } } }, { "@context": "https://schema.org", "@type": "FAQPage", "mainEntity": [ { "@type": "Question", "name": "How much does a loft conversion cost in Stockport?", "acceptedAnswer": { "@type": "Answer", "text": "As a guide, our loft conversions start from around £50,000 and rise depending on type, size, en-suite specification and finishes — dormer, hip-to-gable, L-shaped and mansard conversions sit further up the range. We issue a detailed fixed-price quote after a proper site survey." } }, { "@type": "Question", "name": "How long does a loft conversion take?", "acceptedAnswer": { "@type": "Answer", "text": "Velux conversions complete in 4–6 weeks. Dormer conversions in 8–10 weeks. Hip-to-gable in 10–12 weeks. Mansard conversions in 12–14 weeks. Planning and design usually adds 6–10 weeks beforehand." } }, { "@type": "Question", "name": "Do I need planning permission?", "acceptedAnswer": { "@type": "Answer", "text": "Most loft conversions fall under Permitted Development if within volume limits and not in a conservation area. We confirm this for free at survey and handle the Lawful Development Certificate or full application as required." } }, { "@type": "Question", "name": "Will I have to move out?", "acceptedAnswer": { "@type": "Answer", "text": "No. Almost all of our loft conversions are completed with the family still living downstairs. We seal off the stair opening, use external scaffold access for materials and minimise dust transfer." } }, { "@type": "Question", "name": "Will my loft conversion add value to my home?", "acceptedAnswer": { "@type": "Answer", "text": "Independent valuation data consistently shows a properly built loft conversion adds 15–22% to property value in the Stockport area. The Building Regs Completion Certificate is essential to capture this on resale." } }, { "@type": "Question", "name": "Can I have an en-suite in the loft?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — and we'd usually recommend it. We run new soil and water pipework either externally (boxed) or through internal voids, and check the boiler can handle the additional demand." } }, { "@type": "Question", "name": "What about the existing loft insulation?", "acceptedAnswer": { "@type": "Answer", "text": "We strip out and dispose of existing fibreglass and replace with high-performance PIR boards in the rafters, walls and floor. The result is a warmer, drier and more comfortable space than the rooms below." } }, { "@type": "Question", "name": "Do you provide structural calculations and Building Regs sign-off?", "acceptedAnswer": { "@type": "Answer", "text": "Yes — both included as standard. Independent structural engineer's calcs are submitted with the Building Control application, and you receive the Completion Certificate on handover." } } ] }, { "@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [ { "@type": "ListItem", "position": 1, "name": "Home", "item": "https://greenbankbuildingservices.co.uk/" }, { "@type": "ListItem", "position": 2, "name": "Services", "item": "https://greenbankbuildingservices.co.uk/services" }, { "@type": "ListItem", "position": 3, "name": "Loft Conversions", "item": "https://greenbankbuildingservices.co.uk/services/loft-conversions" } ] } ] --- [![Greenbank Building Services](/assets/greenbank-logo-D73iH9SF.png)](/) [Home](/)[About](/about) Services Service Areas [Our Work](/our-work)[Reviews](/reviews)[Contact](/contact) [07360 269988 ](tel:+447360269988)[Enquire](/contact) ![Finished dormer loft conversion exterior with grey cladding and new tiled pitched roof](/assets/service-loft-B8RzWafk.jpg) [Home](/)[Services](/services)Loft Conversions Loft Conversions · Stockport # Loft Conversions in Stockport, Adding a Storey of Space Without Adding to the Footprint. Turn forgotten roof space into a master suite, home office or two extra bedrooms — typically adding 20% to your home's value without losing a square inch of garden. Designed, drawn and built by one Stockport-based team. [Request a Consultation](/contact)[07360 269988](tel:+447360269988) Structural calcs included · Building Regs handled · Workmanship we stand behind In short A loft conversion in Stockport usually takes 6–10 weeks on site and starts from around £50,000 depending on type, size and en-suite specification. Dormer, hip-to-gable, L-shaped and mansard conversions all sit within that range as the scope grows. Structural calculations and Building Regulations are handled for you, and we respond within 48 hours to book a free site visit. 14+ Yrs Building experience 200+ Projects Delivered across Cheshire Local Stockport-based, Lewis-led Fully Insured Public liability cover 48-Hour Reply Site visit booked Overview ## What you need to know about loft conversions. A loft conversion is the smartest space-creation project most Stockport homeowners will ever undertake. You already own the cubic metres — they're sitting empty above your head. The job is to convert them into habitable, regulation-compliant, beautifully finished living space without disrupting the rest of the house. ### What it is We carry out every common conversion type: rear dormer, hip-to-gable, L-shaped dormer, mansard and Velux/rooflight conversions. Every job includes structural steels and floor joists, insulation to current Part L, fire-rated staircase, electrics, plumbing for en-suites, plastering and full decoration. ### Who it's for Growing families needing a fourth or fifth bedroom, owners of 1930s semis in Cheadle and Bramhall with high pitched roofs, parents creating a teenage retreat, and remote workers wanting a dedicated office away from family life. ### When you need it When you've run out of bedrooms, when stamp duty makes moving uneconomical, or when you simply want the home you've already invested in to work harder for the next decade. ### Why a specialist Lofts involve structural work (new floor, steels, dormer cheeks), Building Regs sign-off (fire escape, insulation, stair protection) and roofing detail. A specialist who has built dozens of conversions on local property types will spot in five minutes what a generalist will miss for months. The Real Risk ## What happens when this goes wrong. The cheapest loft conversion is almost always the most expensive in the long run. Here's why. ### Risks of cutting corners - Inadequate floor structure causing bounce, deflection and cracked ceilings in the rooms below. - Failed Building Regs inspections on fire compartmentation — often only spotted at sale time during legal searches. - Cold and condensation from inadequate insulation or missing breather membranes. - Leaking dormer cheeks where flashing detail has been rushed. - Stair designs that fail Part K head-height requirements, forcing expensive re-work. ### Common homeowner mistakes - Hiring a builder who doesn't routinely engage a structural engineer. - Skipping Building Control to save a few hundred pounds and discovering at sale that the loft is legally still 'storage'. - Specifying small dormers to dodge planning, then losing usable head height in the finished room. - Choosing the staircase position last, instead of designing the whole house flow around it first. - Forgetting to upgrade the boiler — leaving the new en-suite running cold. Our Process ## How we deliver, step by step. 01 ### Free Site Survey Lewis attends in person to measure, assess constraints and understand what you actually want — not what's easiest for us to sell. 02 ### Design & Fixed Quote Once we've fully scoped the work on site, you receive an itemised, fixed-price quotation with drawings or specification sheets where required. Larger projects take longer to price properly — never a vague allowance. 03 ### Planning & Approvals We handle planning applications, building regulations, party-wall notices and structural drawings end-to-end. 04 ### Build Phase One accountable team on site, daily progress updates, protected work areas and a tidy site every evening. 05 ### Sign-Off & Guarantee Full walk-through, snagging completed before invoice, and your personally backed workmanship — Lewis returns to put right anything that isn't right issued on handover. ## Loft Conversions — recent project photos. A small selection of completed loft conversions work delivered by Greenbank across Stockport and Cheshire. ![Finished loft room with built-in window seat, desk and shelving](/assets/IMG_5926-7uslziJr.jpg) Finished loft room with built-in window seat, desk and shelving Completed ![Completed loft staircase with painted walls, skylight and carpeted steps](/assets/10_lancing_stairs-MP1XYR_p.jpg) Completed loft staircase with painted walls, skylight and carpeted steps Completed ![Finished loft bedroom with desk, window seat and framed artwork](/assets/10_lancing_stairs_window_seat-CqBVqxSQ.jpg) Finished loft bedroom with desk, window seat and framed artwork Completed Benefits ## Why homeowners choose Greenbank. 01 ### Adds ~20% to home value Independent estate agent data shows a well-built loft conversion typically adds 15–22% to a Stockport property's value. 02 ### No loss of garden Unlike an extension, a loft uses space you already have — the garden, driveway and footprint stay intact. 03 ### Minimal disruption Most works happen above the existing ceiling. We use scaffold-mounted hoists to keep mess out of the house. 04 ### Building Regs certificate Every conversion is fully signed off — protecting your property's legal status and resale value. 05 ### Energy-efficient by design Modern insulation in the new walls and roof typically improves the whole home's thermal performance. 06 ### Workmanship we stand behind Issued in writing on completion. No small print. Compare Your Options ## Which type of loft conversion is right for your house? Loft type is dictated by your roof shape, head height and budget. Here is how the four common conversions compare across Stockport, Cheadle, Bramhall and Hale. Conversion type Added space Time on site Guide cost Planning Velux / rooflight 1 room 4–6 weeks From £50,000 Usually permitted development Dormer 1 bedroom + en-suite 6–8 weeks From £58,000 Usually permitted development Hip-to-gable + dormer Large bedroom + en-suite 8–10 weeks From £68,000 Usually permitted development Mansard Full-width floor 10–12 weeks From £85,000 Planning permission normally required You need roughly 2.2m of head height at the ridge for a comfortable conversion. We measure this free on the first visit. Technical Detail ## The detail that separates a 30-year job from a 5-year one. Stockport's housing stock — 1930s semis, Edwardian terraces, post-war detached homes — suits four core conversion types. Choosing the right one is the difference between a gimmick and a transformation. 01 ### Conversion types we specialise in - Velux/rooflight conversions — cheapest option, suitable where existing head height already exceeds 2.2m. No external alteration. - Rear dormer conversions — the workhorse of Stockport semis. Adds full standing head height and significant floor area. - Hip-to-gable conversions — for detached and semi-detached properties with hipped roofs. Squares off the roof to maximise interior volume. - L-shaped dormer — combined rear and side dormer, ideal for Edwardian terraces with a rear outrigger. - Mansard conversions — the most extensive, replacing the entire rear roof slope. Common in conservation areas where dormers are restricted. 02 ### Structural design Every conversion begins with a structural engineer's calculations. New floor joists are typically 220mm or 250mm engineered I-joists or solid timber, supported on steel beams running between party walls or new pad-stones. Existing ceiling joists are NEVER relied upon — they're sized for ceiling loads only, not floor loads. 03 ### Insulation and ventilation We insulate to a U-value of 0.15 W/m²K or better — significantly outperforming the 0.18 minimum. Warm-roof construction (insulation between and over rafters) prevents the cold spots and condensation common in older conversions. Mechanical extract ventilation is fitted to en-suites and a passive vent strategy maintains air quality throughout. 04 ### Staircase and fire safety Stair design is the single biggest factor in how a loft conversion feels. We design the staircase first, the rooms second. All conversions to a third storey require a 30-minute fire-protected escape route from loft to final exit — we upgrade existing doors with intumescent strips and smoke seals, fit interlinked mains-powered smoke alarms, and use fire-rated plasterboard throughout the new construction. 05 ### Planning permission Most rear dormer and hip-to-gable conversions in Stockport fall under Permitted Development, subject to volume limits (40m³ for terraces, 50m³ for semis and detached). Conservation areas (parts of Bramhall and Hale) require full planning permission. We assess this for free at survey stage. FAQ ## Loft Conversions — your questions, answered. Lewis personally responds to every enquiry. [Ask a Question](/contact) ### How much does a loft conversion cost in Stockport? ### How long does a loft conversion take? ### Do I need planning permission? ### Will I have to move out? ### Will my loft conversion add value to my home? ### Can I have an en-suite in the loft? ### What about the existing loft insulation? ### Do you provide structural calculations and Building Regs sign-off? By Location ## Loft Conversions in your area Local guides covering typical property types, planning routes, guide costs and timescales street by street. [Loft Conversions in Bramhall ](/services/loft-conversions/bramhall)[Loft Conversions in Hale ](/services/loft-conversions/hale)[Loft Conversions in Cheadle ](/services/loft-conversions/cheadle) Related Services ## You may also need [Home Extensions ](/services/home-extensions)[Structural Works ](/services/structural-works)[Roofing ](/services/roofing) Next Step ## Ready to get a real price for your loft conversions project? Free site visit. Itemised, detailed fixed-price quote after a proper site survey. No pressure. Just an honest plan you can trust. [Request a Consultation](/contact)[07360 269988](tel:+447360269988) Serving Stockport, Cheadle, Bramhall, Hale, Wilmslow, Altrincham, Sale, Didsbury & Trafford Greenbank — Stockport, Est. 2017 ## Built with confidence. Built to last. ![Greenbank Building Services](/assets/greenbank-logo-D73iH9SF.png) Stockport's residential building specialists. Extensions, renovations and bespoke home improvements crafted to stand the test of time. [](https://www.facebook.com/greenbankbuilding)[](https://www.instagram.com/greenbankbuilders/?hl=en) ### Services - [Loft Conversions](/services/loft-conversions) - [Garage Conversions](/services/garage-conversions) - [Home Extensions](/services/home-extensions) - [Roofing](/services/roofing) - [Kitchens](/services/kitchens) - [Bathrooms](/services/bathrooms) - [Structural Works](/services/structural-works) - [Full Renovations](/services/full-renovations) ### Areas - [Stockport](/areas/stockport) - [Altrincham](/areas/altrincham) - [Trafford](/areas/trafford) - [Didsbury](/areas/didsbury) - [Wilmslow](/areas/wilmslow) - [Cheadle](/areas/cheadle) - [Bramhall](/areas/bramhall) - [Sale](/areas/sale) - [Hale](/areas/hale) - [FAQs](/faq) ### Contact - [07360 269988](tel:+447360269988) - [Info@greenbankbuildingservices.co.uk](mailto:Info@greenbankbuildingservices.co.uk) - 79 Altrincham Rd, Gatley, Stockport SK8 4EG - Mon–Fri · 8:00am – 6:00pm Sat–Sun · Closed © 2026 Greenbank Building Services Ltd · Co. 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