# Trusted Loft Conversions — Full Site Reference > Expert loft conversion specialists serving homeowners across the UK. > Website: https://www.trustedloftconversions.co.uk --- ## About Trusted Loft Conversions is a specialist loft conversion company serving homeowners across England, Scotland, and Wales. We are not a general building contractor — we focus exclusively on loft conversions. Every project includes: - Free feasibility survey and loft assessment - Structural engineering design - Planning permission checks and applications where needed - Building regulations submission and sign-off - Full project management - Fixed-price quote — fully itemised, no hidden costs --- ## Pricing (UK averages — London/South East falls toward upper end) | Type | Starting From | Typical Range | Duration | |---|---|---|---| | Loft Conversion (any type) | £15,000 | £15,000–£60,000+ | 4–14 weeks | | Velux / Roof Light | £15,000 | £15,000–£25,000 | 4–6 weeks | | Dormer | £25,000 | £25,000–£45,000 | 6–10 weeks | | Loft Bedroom | £18,000 | £18,000–£35,000 | 5–8 weeks | | Hip-to-Gable | £30,000 | £30,000–£50,000 | 8–12 weeks | | En-Suite | £28,000 | £28,000–£50,000 | 7–10 weeks | | Mansard | £35,000 | £35,000–£60,000+ | 10–14 weeks | --- ## Services ### Loft Conversion (general) A loft conversion transforms unused roof space into a fully liveable room. We handle every stage from survey to building regulations sign-off. URL: /services/loft-conversions/ ### Dormer Loft Conversion Extends vertically from the existing roof slope to create a box-shaped structure with vertical walls. Most popular type for UK terraced and semi-detached homes. From £25,000. URL: /services/dormer-loft-conversion/ ### Velux Loft Conversion Works within the existing roof structure using roof lights. No change to roofline. Fastest and most affordable option. Usually Permitted Development. From £15,000. URL: /services/velux-loft-conversion/ ### Hip-to-Gable Conversion Replaces a sloping hip end with a vertical gable wall. Suited to semi-detached and detached homes with a hipped roof. Often combined with a rear dormer. From £30,000. URL: /services/hip-to-gable-conversion/ ### Mansard Loft Conversion Near-vertical rear wall with flat or slightly pitched roof. Maximises floor area across the full loft. Popular for mid-terrace and urban properties. From £35,000. URL: /services/mansard-loft-conversion/ ### Loft Bedroom Conversion Dedicated bedroom with insulation, flooring, compliant staircase, and natural light. From £18,000. URL: /services/loft-bedroom-conversion/ ### En-Suite Loft Conversion Master bedroom suite with private bathroom. Plumbing routed from existing stack. From £28,000. URL: /services/en-suite-loft-conversion/ ### Planning Permission We handle permitted development checks, conservation area assessments, and full planning applications. URL: /services/planning-permission/ ### Structural Calculations Certified structural engineers provide beam schedules, loading calculations, and party wall agreements. URL: /services/structural-calculations/ --- ## London Location Pages Each London area has a hub page plus individual service pages targeting specific keywords. URL pattern: /london/[area]/ and /london/[area]/[service]/ Areas covered: - Hackney: /london/hackney/ - Islington: /london/islington/ - Lambeth: /london/lambeth/ - Southwark: /london/southwark/ - Tower Hamlets: /london/tower-hamlets/ - Wandsworth: /london/wandsworth/ - Lewisham: /london/lewisham/ - Greenwich: /london/greenwich/ - Hammersmith: /london/hammersmith/ - Fulham: /london/fulham/ Service pages per area (example for Hackney): - /london/hackney/loft-conversion/ - /london/hackney/dormer-loft-conversion/ - /london/hackney/velux-loft-conversion/ - /london/hackney/hip-to-gable-conversion/ - /london/hackney/mansard-loft-conversion/ - /london/hackney/loft-bedroom-conversion/ - /london/hackney/en-suite-loft-conversion/ --- ## Frequently Asked Questions Q: How much does a loft conversion cost in the UK? A: A loft conversion costs between £15,000 and £60,000 depending on the type — Velux conversions start from £15,000, dormers from £25,000, and mansard conversions from £35,000. Q: Do I need planning permission for a loft conversion? A: Most loft conversions fall under Permitted Development rights and do not require planning permission. Exceptions include conservation areas, listed buildings, and conversions that exceed PD size limits. We carry out all planning checks as part of the free survey. Q: How long does a loft conversion take? A: Between 4 and 14 weeks depending on the type. Velux conversions take 4–6 weeks; mansard and hip-to-gable projects take 10–14 weeks. Q: Will a loft conversion add value to my home? A: A quality loft conversion typically adds 20–25% to a property's market value in the UK. Q: What is included in your fixed-price quote? A: Free feasibility survey, structural engineering, planning checks, building regulations submission, all materials, labour, and project management. No hidden costs. --- ## Contact Get a free quote: https://www.trustedloftconversions.co.uk/contact/