Blog

Latest articles and insights from sustainable architecture

Topic
Year

29 articles found

8 min read

Blower Door Test: When and Why to Do It

The test worth paying for is the mid-construction one, while the airtight layer is exposed. How to read n50 and q50, how to prepare, what if it fails.

  • Airtightness
  • Blower Door Test
  • Passive house
  • Construction Quality
A low modern parish building with pale green render, a standing-seam metal pitched roof with rooflights, timber-clad wall panels and a flat-roofed carport wing, set on a lawn behind a very large mature deciduous tree, with an older church tower rising behind it

8 min read

Removing a Load-Bearing Wall: What It Takes

A load-bearing wall comes down last, not first: identify it, get a structural design, trace the load to the foundation, prop it, then demolish.

  • Renovation
  • Structural
  • Load Bearing Wall
  • Demolition
An open-plan living and dining space with a pale timber floor, a warm timber-panelled feature wall, a cantilevered timber staircase with a glass balustrade, a grey corner sofa and a round white dining table with moulded chairs beneath two sculptural pendant lights.

8 min read

Rainwater: Retention and Reuse

Holding stormwater on the plot and using it are two jobs. When the municipality requires it, how to choose infiltration or a tank, and when it pays off.

  • Rainwater
  • Sustainability
  • Stormwater
  • Slovakia
A two-storey white modern house with timber cladding and a deep covered terrace with rattan seating, opening onto a large lawn with ornamental grasses, round stone stepping stones set into the grass and a gravel strip along the wall.

8 min read

Buying an Old House: What to Check

An old-house walk-through ordered by what a defect costs: paperwork, structure, damp, radon, services, envelope and hazardous materials.

  • Property Purchase
  • Renovation
  • Building Survey
  • Slovakia
A restored two-storey historic villa at night: steep tiled roof, arched first-floor windows and a warmly floodlit facade, with a paved town square in front and light trails from passing traffic

8 min read

Orienting a House to the Sun

South glazing shades itself with a modest overhang; west never will. How to orient a house at 48 to 49 degrees north, and what if the view fights.

  • Orientation
  • Passive Solar
  • Design
  • Slovakia
A roof terrace with timber decking and circular raised planters of dense green shrubs, full-height glazing fitted with external horizontal louvre blinds under a timber-lined soffit, sharp midday shadows falling across the deck

8 min read

Aerated Concrete or Ceramic Block?

An honest head-to-head of aerated concrete and ceramic block: accuracy, lambda, strength, moisture, acoustics and a clear recommendation.

  • Materials
  • Masonry
  • Comparison
  • Slovakia
Visualisation of a small mixed-use building: a white rendered masonry lower volume with a pharmacy unit at street level and French windows with slim metal railings, topped by an olive-green upper storey in vertical timber cladding that cantilevers over an open parking bay carried on a slender column.

8 min read

Heat pump or gas boiler in a new build

An honest comparison of a heat pump and a condensing boiler in a new build: capital, running cost, flow temperature, noise, subsidies, hybrids.

  • Heat Pump
  • Gas Boiler
  • Heating
  • New Build
A modern single-storey family house with a dark tiled roof carrying a large flush roof-integrated glazed solar array, timber-clad walls, external blinds, a covered terrace with chairs and a lawn with clipped shrubs

8 min read

House carbon footprint: materials decide

The better insulated a house is, the more of its carbon footprint sits in the materials. Where exactly, how to check it, and why renovation wins.

  • Embodied carbon
  • Whole Life carbon
  • Materials
  • Sustainability
Visualisation of a single-storey pavilion with a continuous bright green shell forming both roof and end wall, a timber-lined soffit and timber end cladding, a fully glazed long elevation with internal horizontal louvre blinds, standing on a grassed slope with a large mature tree to one side and wooded hills behind.

8 min read

How to Read a Municipal Land-Use Plan

What actually binds in a municipal land-use plan, how to obtain a planning information extract, and how to read the density regulations for your plot.

  • Land Use Plan
  • Zoning
  • Plot
  • Slovakia
A three-storey apartment building on a corner plot in a suburban street, white render with olive-green vertical timber cladding, garages at ground level, cars parked at the kerb and people walking past. A plot density that a land-use plan permits only in designated functional areas.

8 min read

A House on a Slope: Upsides and Risks

Is the discount on a sloping plot real? How slope is measured, where the money goes, and why survey, access and orientation decide it.

  • Sloped Site
  • Land Purchase
  • Foundations
  • Slovakia
A completed two-storey white rendered family house with a flat roof, dark window frames, external blinds and timber accent panels, photographed from below across rough unlandscaped ground under a heavy grey sky, with a lower single-storey wing stepping down to one side

8 min read

Protection Zones and Easements

A protection zone comes from statute and is not in the cadastre. An easement is on the title deed. How to find both before you pay a deposit.

  • Protection Zone
  • Easement
  • Land Purchase
  • Slovakia
A modern family house behind a low stone boundary wall along a street, with a slatted timber gate, a grey utility meter cabinet set into the stone wall and a metal fence continuing along the pavement, people walking past on the road

9 min read

The Complete Guide to Passive Houses in Slovakia

What the passive house standard requires in numbers, how much it adds to a class A0 new build, where the money goes, when it returns and what goes wrong on site.

  • Passive house
  • Energy efficiency
  • Construction Cost
  • Slovakia
A window seated in an exceptionally deep insulated wall reveal in an unfinished passive house room

9 min read

Renovate or Demolish and Build New?

How to choose between renovating an old house and building new: assessing the structure, the full cost including demolition and temporary housing, subsidies, permitting and embodied carbon.

  • Renovation
  • Demolition
  • Newbuild
  • Slovakia
An abandoned rural house with a collapsing tiled roof and cracked render, standing in overgrown grass

9 min read

How Much Does an Architect Cost, and What Do You Get for It

An architect's fee is not one figure but a structure: the pricing model, the design phases, and what is or isn't included. A complete guide so you can compare quotes on substance, not just price.

  • Architect's fee
  • Construction costs
  • Slovakia
An architect's desk with rolled drawings, a white card model of a house and a fan of material samples

7 min read

Deep Renovation of a House: What Order to Do the Work In

The order of steps in a deep home renovation decides both the savings and the cost. Why the building envelope comes before the heat source, and what goes wrong when the order is reversed.

  • Deep renovation
  • Subsidies
  • Slovakia
An older house mid-renovation, half its elevation covered in new external insulation boards and half still bare render

6 min read

Occupancy Approval Step by Step + Checklist

Your house is finished, but you can't legally move in without occupancy approval. A clear step-by-step process, checklist, and document list under Slovakia's new building act.

  • Occupancy approval
  • Construction process
  • Slovakia
A newly finished, empty room at handover, its floor still part-covered by protective sheeting

7 min read

How Much Does a Family House Design Project Cost in 2026

The cost of a family house design project is not a single figure — it depends on the fee model, the phases commissioned, and the complexity of the brief. Here's how architect fees are calculated and what drives the final cost.

  • Architect's fee
  • Construction costs
  • Slovakia
Three white card massing models of the same house, showing different arrangements of its volumes

6 min read

Is a Passive House Worth It? The Payback in Numbers

How much more a passive house actually costs, where the investment pays back, and the payback ranges real sources report – no invented numbers, just verifiable ranges.

  • Passive house
  • Energy efficiency
  • Sustainability
Underfloor heating pipe clipped in parallel loops across insulation boards on a floor slab

6 min read

Building Permit in Slovakia 2026: Process and Deadlines Under the New Act

The standalone “building permit” no longer exists in Slovakia — it has been replaced by the building intent decision under the 2025 building act. Here's how long the permitting process for a family house really takes today, and what to watch for.

  • Building permit
  • Construction Act 2025
  • Slovakia
Freshly poured strip foundations with reinforcement starter bars on an otherwise empty building plot

5 min read

What is a Passive House?

A passive house is a building with minimal energy requirements for heating and cooling. Learn about the principles behind this standard and why it represents the future of sustainable living.

  • Passive house
  • Sustainability
  • Energy efficiency
A timber-frame wall build-up with mineral wool between the studs and airtight tape sealing a joint

7 min read

Green Building Certifications Explained

BREEAM, LEED, Passive House - an overview of the most important sustainable building certifications. What do they evaluate, how do they differ, and which one is right for your project?

  • Certifications
  • Sustainability
  • Green building
A green roof under construction, its waterproofing, drainage layer and substrate visible beneath partly laid sedum matting

4 min read

Designing for Slovak Climate

Slovakia has specific climatic conditions that require a thoughtful architectural approach. From hot summers to freezing winters - how to design buildings that work year-round?

  • Climate
  • Design
  • Slovakia
A roof under construction seen from inside, insulated between the rafters, with a snow-covered field beyond the opening