A practical guide to windows, doors, and home upgrades

Natural timber used to make LUPOL entrance doors

2026 trends6 min read

Warm minimalism at the entrance: timber front doors for 2026

Warm minimalism uses natural timber, clean lines and restrained details. Learn how to choose the front door, finish, glazing and hardware for your house.

Section of a LUPOL timber entrance door with external aluminium cladding

Timber doors5 min read

Timber-aluminium front doors: when exterior cladding earns its keep

Timber-aluminium doors keep real wood indoors and place aluminium outside. See where the upgrade helps, what it cannot fix and how to compare quotes.

A routed LUPOL timber door during production before its finish is applied

2026 trends5 min read

Fluted timber front doors in 2026: texture without the showroom look

Fluted and grooved timber entrance doors are back in modern homes. Learn how to choose the line pattern, colour, pull handle and weather-resistant finish.

Slender traditional window with small panes overlooking a garden

Renovation4 min read

Vacuum glazing: a thin high-performance option for window renovation

Vacuum glazing can improve insulation without a thick glass unit. Learn where it suits renovation, what its limits are and what to check in a quote.

Modern facade with glazed windows divided between sunlight and shade

Technology4 min read

Smart glass windows: solar control without blinds — is it worth it?

Thermochromic and electrochromic glass can control sunlight without blinds. Compare the technologies, limitations and questions to ask before buying.

Tall contemporary entrance door in a raw concrete facade

Doors4 min read

Pivot door or hinged door? Architectural impact versus everyday use

Pivot doors look dramatic but demand different detailing from hinged doors. Compare clear opening, weather performance, safety and questions for suppliers.

Window shading that limits incoming sunlight

Summer comfort6 min read

Should You Open Windows in a Heatwave? When to Air and When to Close Them

Learn when to open or close windows during a heatwave, how night cooling and external shading work, and when indoor heat becomes a health concern.

Finishing work around an opening in a wall

Renovation6 min read

Building Renovation Passports in 2026: Where Do Windows and Doors Fit?

Understand 2026 building renovation passports, how windows and doors enter a staged retrofit plan, and which surveys and records owners should prepare.

Construction products6 min read

Construction worker carrying out installation work

Digital Product Passports for Windows and Doors: What the CPR Really Changes

See what the new Construction Products Regulation says about digital product passports, why windows are not yet mandated, and how suppliers can prepare data.

Smart lock fitted to a modern external door

Smart home5 min read

Smart locks for external doors in 2026: convenience without compromise

Compare fingerprint, keypad, app and emergency-key access, then check door compatibility, backup power, update support and smart-lock cybersecurity.

Heavy rain on a closed window during a storm

Safety5 min read

Windows in thunderstorms and high winds: how to protect your home

Should windows be open in a storm? Learn how to secure glazing, doors, shutters and loose items before high winds, and what to inspect once the storm passes.

Home and garden5 min read

Bird flying beside a building with large glass windows

Bird-safe windows: what actually prevents glass collisions

Birds hit windows because of reflections and clear flight paths. Learn where patterns belong, how close they should be and why one silhouette is not enough.

Carpenter working on a wooden window frame

Windows4 min read

Timber vs uPVC Windows: Which Is Right for Your Home?

Compare timber and uPVC windows by insulation, maintenance, design and lifetime value, then choose the material that suits your home and budget.

Large windows in the facade of a modern house

Double vs Triple Glazing: When Is the Upgrade Worth It?

See how double and triple glazing differ in heat loss, comfort, weight, daylight and cost, and learn where a third pane delivers real value.

Bright interior with a window and radiator

Window Ratings Explained: Uw, Ug, Uf, Rw, g and Lt

Understand the window ratings Uw, Ug, Uf, Rw, g and Lt, what each one measures and which figures matter for warmth, quiet and daylight in practice.

Energy-efficient house with solar panels

Choosing Windows for an Energy-Efficient or Passive House

Plan windows for a low-energy or passive house with the right Uw, glazing, orientation, airtight installation, shading and room-by-room specification.

Windows being installed from scaffolding

How Much Do New Windows Cost in 2026?

Learn what shapes a 2026 window quotation, from frame and glass to installation and finishing, and compare suppliers without relying on misleading averages.

Fixed vs Opening Windows: Where Each Type Works Best

Compare fixed and opening windows for daylight, ventilation, cleaning, security and cost, then plan an effective room-by-room combination at home.

Condensed water droplets on a window pane

Window care3 min read

Why Do Windows Condense? What Each Location Means

Find out why condensation forms inside, outside or between window panes, what is normal, and when ventilation, heating or repair is needed at home.

Modern house facade with a regular window layout

How to Choose Soundproof Windows for Traffic Noise

Choose quieter windows using the right glass build-up, Rw rating, airtight frame, vents and installation for roads, railways or neighbourhood noise.

Open window with light curtains inside a room

Window care3 min read

Airtight Windows, Ventilation and Heat Recovery

Learn how airtight windows work with natural, mechanical and heat-recovery ventilation to control humidity without wasting heat or harming air quality.

Installer fitting a new window into an opening

Installation3 min read

Layered Window Installation vs Foam-Only Fitting

Compare layered window installation with foam-only fitting, including airtightness, moisture control, thermal bridges, preparation and total project cost.

Moisture droplets on the surface of a window

Window care3 min read

Draughty Window: Adjust, Repair or Replace?

Diagnose a draughty or leaking window and decide whether cleaning, hardware adjustment, seal repair, glazing work or full replacement is justified.

Large sliding patio doors beside a terrace

Patio doors3 min read

Lift-and-Slide vs Tilt-and-Slide Patio Doors

Compare lift-and-slide HST and tilt-and-slide PSK patio doors by operation, threshold, opening size, sealing, maintenance and project budget.

Contemporary house with wide glazed openings

Patio doors3 min read

Low-Threshold Patio Doors: Comfort, Waterproofing and Installation

Plan a low patio-door threshold with stable support, waterproofing, drainage and finished floor levels for easier access without compromising durability.

Sunlit living room beside a large window

Best Glazing for South-Facing Windows Without Overheating

Choose south-facing glazing by solar factor, light transmission, external shading and room use to gain winter sun without excessive summer heat.

Modern house with large windows surrounded by greenery

Security3 min read

RC2 Windows and Safety Glass for Ground Floors

Understand RC2 windows, laminated safety glass, locking hardware and secure installation when protecting ground-floor and patio openings at home.

Modern house entrance with an exterior door

Timber vs uPVC vs Aluminium Front Doors

Compare timber, uPVC and aluminium front doors for insulation, weather exposure, design, maintenance, dimensions and whole-life value for your project.

Wooden front door set into a house facade

Are Thicker Front Doors Warmer? 68, 78 and 90 mm Compared

Compare LUPOL 68, 78 and 90 mm timber door systems using verified Ud values, glazing, locks, hinges and warranty rather than thickness alone.

Wooden entrance door with visible natural grain

Pine vs Oak Front Doors: Appearance, Durability and Price

Compare pine and oak front doors by grain, colour response, weight, upkeep and current LUPOL catalogue pricing before choosing your finish with confidence.

Solid vs Glazed Front Doors: Light, Privacy and Security

Choose between solid and glazed front doors by daylight, privacy, thermal performance, safety glass, security and the entrance layout for your home.

Colourful entrance doors in a house facade

Front Door with a Sidelight vs Double Doors

Compare a front door with sidelights against double doors for daylight, clear opening, façade proportions, insulation, operation and cost for your project.

Open entrance door viewed from inside the house

Front Door Size, Opening Direction and Handing Guide

Plan front-door size, clear opening, left or right handing and inward or outward swing before the final survey and production order with confidence.

Close-up of an entrance door handle and lock

Security3 min read

RC2 Security Front Doors: What the Class Really Covers

Learn what an RC2 front-door classification covers, how locks, cylinders, glass, frame and installation work together, and what documents to request.

Wooden entrance door in an older building

Door care3 min read

How to Care for an Exterior Timber Door

Maintain an exterior timber door with safe cleaning, coating inspections, drainage and hardware care, and recognise when professional repair is needed.

Does an Exterior Timber Door Need a Canopy?

See how a canopy protects an exterior timber door from rain, sun and thermal stress, and what to confirm for exposure, installation and warranty.

A window being measured before joinery is ordered

Entrance doors4 min read

How Much Do LUPOL Timber Front Doors Cost?

Check current LUPOL catalogue prices in PLN for pine and oak front doors across 68, 78 and 90 mm systems, plus variants and common extras before ordering.

Window with an exterior roller shutter lowered

Built-In, Top-Mounted or Front-Mounted Roller Shutters?

Compare built-in, top-mounted and front-mounted external roller shutters by installation stage, access, insulation, appearance and renovation suitability.

Two windows with exterior roller shutters lowered

Do External Roller Shutters Reduce Heat Loss and Overheating?

Learn how external roller shutters affect winter heat loss, summer solar gain, comfort and energy use, and when automation improves results.

Electric and Smart Roller Shutters: Wired, Radio or Solar?

Compare wired, radio-controlled and solar roller shutters, including controls, sensors, power, smart-home integration, safety and servicing.

Closed shutters protecting two facade windows

Security3 min read

Security Roller Shutters vs Standard Shutters

Understand how tested security roller shutters differ from standard shutters in curtain, guides, locking, installation and resistance documentation.

Light passing through a fine window screen mesh

Roller Shutters with Integrated Insect Screens

See when an integrated insect screen and roller shutter is worthwhile, how the two curtains operate, and what to check for sizing, access and care.

Insulated glass units prepared for LUPOL window and door production

Home design10 min read

Large glazing at home: decisions to make before the terrace wall disappears

A practical guide to large windows and patio doors: orientation, opening layouts, glass, thresholds, solar shading and installation planning.

Windows in different made-to-measure sizes at the LUPOL factory

Installation9 min read

Preparing openings for windows and doors: before the survey and installation

How to prepare reveals, level marks, thresholds and the work area so that the final survey is based on clear information rather than assumptions.

Timber door leaves receiving protective finishes at the LUPOL factory

Care9 min read

Windows and doors after winter: inspect first, adjust second

A practical post-winter check of seals, hardware, drainage paths, thresholds and finishes, with clear signs that should be passed to a service technician.

Windows6 min read

Made-to-measure windows: how to choose joinery for your home design

A practical guide to custom windows: measurement, profiles, glazing units, installation, and the parameters that affect home comfort.

Renovation7 min read

Window replacement without mistakes: when, how, and what to check

When to replace windows, how to prepare the building, and which new-window parameters matter most for bills and comfort.

Home6 min read

Doors and windows for a home: how to create a coherent, warm, durable set

How to choose exterior doors and windows so they look consistent, perform well, and support the building’s energy efficiency.

Energy retrofit8 min read

Energy-efficient LUPOL doors and windows

Grants for window and door replacement in 2026: what to prepare first

How to approach window and door replacement with funding: joinery parameters, measurement, documents, and small decisions that delay orders.

LUPOL entrance door on a completed house

Home design7 min read

Window and door colors for 2026: anthracite, wood or something warmer

How to choose window and door colors for a facade in 2026: anthracite, wood finishes, white frames, dark hardware and common ordering mistakes.

Accessories6 min read

Doors with a fingerprint reader: useful upgrade or gadget

When a fingerprint reader in entrance doors makes sense, how to plan it, and what to pair it with for comfortable daily use.