Architect-led construction across Derbyshire, the Peak District & South Sheffield Mon–Fri 8am–5pminfo@weirconstructiongroup.co.uk07891 214075 HomeServicesAreasAboutOur WorkReviewsContact07891 214075Request Estimate07891 214075 - Home/ - Services Services # Architect-led construction,delivered under oneaccountable contract From an individual Passive House to a garage conversion, the same trades, the same fixed-price discipline and the same 10-year structural guarantee apply. Request an estimateCall John · 07891 214075 Signature specialisms ## Luxury New Builds Individual homes built from bare ground to finished house under one accountable contract, with fixed pricing and a 10-year structural guarantee. ## Architect-Designed Homes We act as principal contractor alongside your architect, protecting the design intent through every junction, interface and detail. ## Passive & Low-Energy Homes Airtight, high-performance envelopes with MVHR, underfloor heating and solar PV, comfort and running costs you can measure, not estimate. ## Barn Conversions Stone and timber agricultural buildings brought back into use with heritage-sensitive methods and genuinely modern performance. ## Project Management Programme, trades, specialists and building control coordinated by John: one point of contact from first drawing to handover. Residential services ## Property Extensions Single and two-storey extensions that add genuine space and value: structurally sound, properly detailed and finished to a high standard. ## New Build Homes Complete new homes delivered from groundworks to handover, on a fixed price and a written programme. ## Loft Conversions Loft conversions that add a proper room: full head height, compliant stairs, insulation and fire protection done correctly. ## Garage Conversions Underused garages converted into warm, dry, usable rooms: offices, annexes, gyms or additional living space. ## Refurbishments Whole-house refurbishment carried out in the right order: structure, services, envelope, then finishes. ## Kitchen Renovations Kitchens installed as a full building project: structural openings, services and finishes coordinated by one team. ## Bathroom Renovations Bathrooms and wet rooms built to last: correct falls, proper tanking and tiling that stays put. ## Orangeries & Garden Rooms Orangeries and garden rooms built as permanent architecture: insulated, warm in winter and usable year-round. ## Structural Alterations Wall removals, steel installation, underpinning and structural openings carried out with engineered design and building control sign-off. ## Roofing Services Pitched and flat roofing, natural slate, tile, zinc and lead: detailed to keep water out for decades. ## Groundworks & Foundations Excavation, drainage and foundation construction: the stage that sets the accuracy of everything above it. ## HMO Conversions Compliant HMO conversions for landlords and investors: fire strategy, sound separation and licensing standards delivered on programme. ## Home Adaptations Accessible adaptations carried out sensitively: level access, wet rooms, ground-floor bathrooms and widened doorways. ## Driveways & Patios Driveways, patios and terraces built on proper sub-bases with drainage designed in from the start. Commercial services ## Shop Fit-Outs Retail and commercial fit-outs delivered to a tight programme, with out-of-hours working where trading matters. ## Pub Refurbishment Pub and hospitality refurbishment phased around trade, from back-of-house upgrades to complete restoration. ## Commercial to Residential Commercial buildings converted into homes and apartments: structure, compliance, services and finishes under one contract. Next step ## Not sure which service you need? Describe the project and John will tell you honestly what is involved, what it is likely to cost and what needs deciding first. Request an estimate07891 214075 Architect-led luxury new builds, Passive House construction and barn conversions across Derbyshire and the Peak District. Leave us a review Services - Luxury New Builds - Architect-Designed Homes - Passive & Low-Energy Homes - Barn Conversions - Project Management - Property Extensions - New Build Homes - Barn Conversions - Loft Conversions - All services Areas covered - Chesterfield - Matlock - Peak District - Sheffield - Dronfield - Rotherham - Bolsover - Clay Cross - All areas Contact Salisbury AveChesterfield S41 8PQ 07891 214075 info@weirconstructiongroup.co.uk Monday – Friday8am – 5pm Saturday & SundayClosed © 2026 Weir Construction Group. FMB accredited · Derbyshire Trusted Trader · £10M insured. AboutOur WorkContactPrivacy PolicyTerms & Conditions Call JohnRequest Estimate