Renovation · Topic hub
Additions & Conversions
Adding or converting space is one of the biggest renovation decisions. This hub gathers extension, addition and conversion planning guides so you can weigh feasibility before committing.
Educational planning only. Structure, egress, fire safety and approvals are designed and confirmed with qualified professionals and the local authority; requirements vary by location and project.
72 guides in this topic · Updated
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Related topic hubs
Room Remodeling →Remodeling individual rooms — ideas, mistakes to avoid, planning and sequencing for kitchens, bathrooms, bedrooms, offices and more.Project Management →Running a renovation — scope, estimates, change orders, communication, sequencing and living through the work.Safety & Hazards →Planning safely around renovation hazards — electrical, gas, fire, structural and hazardous-material awareness — and when to stop and call a professional.All Renovation →Back to the full Renovation section.
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Featured guides
Attic Renovation Planning Basics →A cautious planning guide for attic renovation possibilities — access, headroom as a planning topic, structure, insulation, ventilation, moisture, fire safety, local requirements and professional review. No structural, insulation or code instructions.Basement Renovation Planning Basics →A cautious guide to basement renovation planning — moisture, ventilation, ceiling height as a planning topic, lighting, access, storage, safety and professional review. No waterproofing or structural instructions.Garage Conversion Planning Basics →A high-level planning guide for garage conversion ideas — purpose, insulation and comfort, doors and windows, floor levels, utilities, access, local requirements and professional review. No permit or legal claims.Home Addition Planning Guide →A practical educational planning guide for home additions before speaking with architects, builders or contractors — why the addition is needed, rooms affected, property constraints, the structural and envelope relationship, access, utilities, materials, coordination and documentation. Not a feasibility determination.House Extension Planning Guide →A high-level educational guide to planning house extensions — extension goals, connection to the existing structure, layout flow, exterior appearance, the roof and envelope relationship, daylight, access and professional review. Not a feasibility determination.Single-Storey Extension Planning →An educational planning guide for single-storey extension conversations — room purpose, footprint, connection to garden or patio, the roof and drainage relationship, windows and doors, materials and professional review. Not a feasibility determination.Two-Storey Extension Planning →A cautious educational planning guide for two-storey extension projects — structural complexity, stairs and circulation, the existing roof and walls, daylight, privacy, exterior appearance and professional coordination. No structural or engineering instructions.Sunroom Addition Planning →An educational planning guide for sunroom additions — purpose, orientation, glazing, thermal comfort, shading, ventilation, connection to the house and material maintenance. Not a feasibility determination.
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Guides in this topic, grouped
Every planning guide in this topic, organised into stages so a large topic stays easy to scan. Choose the group that matches your planning stage. All links are plain pages — nothing is hidden behind filters.
Attic & loft conversions(11)
Planning considerations for turning attic and loft spaces into usable rooms, including rooflight, storage and sequencing guides.
Attic Conversion Planning Guide →A cautious educational guide for attic conversion planning — access, headroom, structure, insulation, ventilation, daylight and fire-safety considerations as planning topics, plus professional review. No structural, insulation, electrical or code instructions.Loft Conversion Planning Guide →A high-level educational planning guide for loft conversion conversations — use case, stairs and access, roof form, windows and skylights, insulation and comfort, storage, and professional review. Not a feasibility determination.Attic Bedroom Conversion Planning →An educational planning guide for attic bedroom conversions — privacy, access, headroom, daylight, storage, heating and cooling comfort, and safety and professional review. Not a feasibility determination.Attic Office Conversion Planning →An educational planning guide for attic home office conversions — desk placement, light, acoustics, comfort, storage, access and electrical review by professionals. Not a feasibility determination.Attic Storage Conversion Planning →An educational planning guide for improving attic storage use safely — access, weight and load awareness, moisture, ventilation, organization, safety boundaries and professional review. Not a structural assessment.Attic Renovation Ideas →Explore attic renovation ideas that work with sloped ceilings, knee walls, and roof light, from quiet studies to guest rooms and play lofts.Loft Room Ideas →Loft room renovation ideas for a finished loft, from bedroom suites and studies to playrooms, using the sloped ceilings and roof light to full advantage.Loft Storage Conversion →Plan a non-habitable loft storage conversion focused on safe boarding, access, joist loading and ventilation, distinct from a full habitable loft conversion.Rooflight Loft Conversion →Plan a rooflight loft conversion that keeps the existing roofline, the least invasive loft type, covering headroom, light, access and insulation.Living Through a Loft Conversion →Plan to live at home during a loft conversion, managing access through the house, dust, noise and disruption while new space is built above.Loft Conversion Sequence →Understand the typical order of stages in a loft conversion, from early feasibility and structure through to insulation, fit-out and finishing.
Garage conversions(8)
Planning-stage guidance for converting or repurposing a garage into living, work or storage space.
Garage Conversion Planning Guide →A high-level educational planning guide for garage conversion projects — intended use, insulation and comfort, floor levels, doors and windows, storage loss, access, local requirements as a planning topic, and professional review. Not a feasibility determination.Garage to Office Conversion Planning →An educational planning guide for garage home office conversions — light, heating and cooling comfort, acoustics, storage, access, electrical review, privacy and professional review. Not a feasibility determination.Garage to Bedroom Conversion Planning →A cautious educational planning guide for garage bedroom conversions — comfort, daylight, ventilation, access, floor levels, and safety and professional review. No code or legal claims.Garage Gym Conversion Planning →A practical educational planning guide for garage gym conversions — flooring, ventilation, storage, noise, equipment zones, temperature comfort and safety. Not a feasibility determination.Garage Storage and Workshop Planning →An educational planning guide for garage storage and workshop use — zones, wall storage, workbench, tool storage, lighting, ventilation and safety boundaries. No electrical instructions.Garage Ideas →Garage renovation ideas beyond parking, from organised workshops and home gyms to hobby studios, flexible storage, and durable, easy-clean finishes.Garage Water Intrusion →Learn how to record water seeping into a garage, capturing where it enters and the weather, so a drainage or building professional can trace the source.Garage Conversion Sequence →Understand the typical order of work in a garage conversion: from assessment and the building envelope through to first fix, finishes, and final completion.
Basement conversions(9)
How to think through basement remodels and conversions for bedrooms, bathrooms, family rooms and other uses.
Basement Remodel Planning Guide →A cautious educational basement remodeling planning guide — moisture, ventilation, ceiling height, access, lighting, flooring, storage and professional assessment. Not a feasibility determination.Basement Family Room Planning →A practical educational planning guide for basement family rooms — layout, lighting, acoustics, flooring, storage, moisture awareness, comfort and professional review. Not a feasibility determination.Basement Bedroom Planning →A cautious educational planning guide for basement bedrooms — daylight, ventilation, access and egress, moisture, comfort, storage and professional review. No legal or code claims.Basement Bathroom Planning →An educational planning guide for basement bathroom conversations — plumbing constraints, ventilation, moisture, floor levels and fixtures as planning topics, plus professional review. No plumbing or waterproofing instructions.Basement Laundry Room Planning →An educational planning guide for basement laundry spaces — appliance access, moisture, ventilation, storage, flooring, noise and professional review. Not a feasibility determination.Basement Renovation Ideas →Basement renovation ideas for low-light, below-grade rooms, from family lounges and home cinemas to guest suites, gyms, and tucked-away utility zones.Basement Gym Conversion →Plan a basement home gym around ceiling height, floor protection, below-grade ventilation and moisture, and managing impact noise to the rooms above.Basement Renovation Sequence →Understand the typical order of stages in a basement renovation, from moisture and structure first to finishes last, as a planning-level sequence guide.Living Through Basement Work →Plan how to live at home during a basement conversion, managing disruption, access, dust and noise while a lower level becomes usable space.
Extensions, sunrooms & garden rooms(8)
Planning topics for new-footprint additions such as extensions, conservatories, orangeries, sunrooms, garden rooms and porches.
Porch Addition Planning →A practical educational planning guide for porch additions — entry function, weather exposure, the roof or cover, drainage, steps and accessibility, materials, lighting and professional review. Not a feasibility determination.Sunroom Renovation Ideas →Sunroom renovation ideas for finished rooms: lounge, dining and plant uses, glare and glazing comfort, flooring choices and year-round comfort planning.Conservatory Addition →Plan a glazed conservatory addition around orientation, thermal comfort across seasons, glazing choices, ventilation and how it connects to the rest of the home.Garden Room Addition →Plan a flexible detached garden room around multipurpose use, siting, servicing, insulation and access so it adapts from office to studio to guest space over time.Orangery Addition →Plan an orangery that blends solid walls with a glazed lantern roof, a hybrid between an extension and a conservatory, covering structure, thermal comfort and use.Conservatory vs Sunroom →Compare a conservatory and a sunroom addition: glazing, insulation, seasonal use and connection to the home to help you plan the right glazed space.Extension Build Sequence →Understand the typical order of stages in a home extension, from groundwork to envelope and fit-out, so you can anticipate phases without detailed durations.Living Through an Extension →Plan to live at home during an extension build, managing the connection between old and new, dust, noise, services and the disruption of expanding the home.
Utility, boot & storage rooms(11)
Planning notes for utility, mud, boot, laundry, pantry, scullery, larder, cloakroom and closet spaces.
Boot Room Ideas →Boot room renovation ideas for muddy-boot living, from bench-and-cubby zones and dog-wash corners to coat-drying rails and hard-wearing floors.Boot Room Planning →Plan a boot room renovation around drainage-friendly floors, drying zones, durable finishes, and storage so a hard-working entry stays dry and organised.Scullery Ideas →Scullery renovation ideas for a hard-working back kitchen, from prep sinks and hidden appliances to zoning that keeps the main kitchen clean and uncluttered.Larder Planning →Plan a cool larder renovation around ventilation, shelving, and a stable temperature so dry goods and fresh produce keep well in a traditional cold store.Boot Room Addition →Plan a boot room as a transition space for outdoor gear, with hard-wearing floors, drying provision, generous hooks and seating that keeps mud at the door.Entry Cloakroom →Plan a coat-and-shoe cloakroom near the front door, balancing circulation, concealed storage and a tidy first impression without crowding the entrance.Mudroom Dog Wash →Plan a mudroom with a dog-wash station, covering basin height, drainage, durable waterproof surfaces, ventilation and storage so muddy paws stay out of the home.Pantry Addition →Plan adding a pantry by annexing space near the kitchen, covering location, shelving and storage zones, ventilation for food keeping and access from cooking areas.Utility Room Addition →Plan a dedicated utility room by annexing space, covering appliance layout, plumbing and venting, moisture control, storage and where it connects to the home.Walk-In Closet Conversion →Plan converting a small bedroom or nook into a walk-in closet, covering storage zoning, hanging and shelving ratios, lighting, ventilation and dressing space.Mud & Boot Room + Laundry →Planning a combined mud and boot room with laundry: zoning a hardworking utility space for muddy gear, washing, and storage in one efficient area.
Studio, hobby & specialty rooms(10)
Planning guides for dedicated hobby and specialty spaces like studios, libraries, plant and greenhouse rooms, darkrooms, nurseries and pool houses.
Art Studio Conversion →Plan an art studio conversion around natural light, ventilation for solvents and dust, durable washable surfaces and flexible storage for works in progress.Home Library Conversion →Plan a home library conversion around shelving loads, reading light, comfortable seating and quiet zoning so books are well supported and the room invites lingering.Recording Studio Conversion →Plan a home recording studio with control-room separation, acoustic treatment, isolation goals and practical wiring routes distinct from a general music room.Indoor Plant Room →Plan an indoor plant room around light, humidity, drainage and durable surfaces so houseplants thrive without damaging the room or spreading moisture into the home.Nursery Conversion →Plan a nursery conversion around safe low-emission finishes, blackout for sleep, sensible storage and a quiet, calm room that adapts as a baby grows.Pool House Planning →Plan a pool house for changing, storage and shelter beside a pool, covering layout, durable wet-tolerant surfaces, ventilation, services and outbuilding siting.Home Darkroom Conversion →Plan a home photographic darkroom: light-tight design, ventilation, water and drainage, wet and dry zones, and the professionals to involve.Greenhouse Room Conversion →Plan an indoor greenhouse room for growing: light, humidity, ventilation, water and surfaces, distinct from a plant display room or conservatory.Meditation Room Planning →Planning a calm home meditation room: choosing a quiet location, planning for stillness and soft light, and creating a distraction-free space.Teenage Den Planning →Planning a teenage den or hangout space, balancing teens' need for independence with flexibility and durability, distinct from a teen bedroom or snug.
Layout changes, access & living space(7)
Planning questions for internal layout changes, room division, glazed partitions and ground-floor accessible living.
Broken-Plan Conversion →Plan a broken-plan layout that zones an open space with partial dividers, changes in level and sight-line breaks, keeping flow while defining distinct areas.Dining Room Conversion →Plan how to repurpose an under-used formal dining room into an office, snug, playroom or library, weighing flexibility, resale and how the room connects to the home.Guest Suite Conversion →Plan a self-contained guest suite with a private ensuite and sitting zone, covering layout, plumbing routes, privacy and flexible use between visits.Glazed Partition Conversion →Plan internal glazed partitions to zone a space while keeping light, covering fixing, frame style, acoustics and how the screens sit within the existing structure.One Room Into Two →Plan dividing a large room into two, covering the new partition, light and ventilation for each half, door access and how a single window is shared or split.Under-Stairs Conversion →Plan an under-stairs conversion into a WC, office nook, storage or pantry, working with the sloped ceiling, access and any services in a tight footprint.Ground-Floor Living Conversion →Plan a ground-floor living conversion: creating a bedroom, bathroom, and core living on one level to support mobility without using the stairs.
From the Ideas Library
Related design ideas
Educational design inspiration and owner-side planning ideas related to this topic — planning directions and questions to explore, not advice or built projects.
Owner-side preparation
Related planning checklists
Educational preparation checklists for this topic: decisions to record, documents to gather and questions to bring to a qualified professional.
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Renovation planning, remodeling concepts, repair workflows, project checklists and before/after improvement ideas.
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