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Knowledge & Guides

Blog & Guides

Practical advice for Dublin homeowners planning a home extension, renovation, or energy upgrade. Written by the BuildTech team.

Cost Guides

How Much Does Underfloor Heating Cost in Ireland?

Extensions & Renovation

How to Plan the Interior Design of Your Dream House Extension in Ireland

Energy & Grants

Benefits of Internal Wall Insulation for Irish Homes

Energy & Grants

Best Retrofit Upgrades for Older Houses in Ireland

Energy & Grants

Thermal Bridging: What It Is and How It Impacts Your House

Extensions & Renovation

Granny Flat in Ireland: Everything You Need to Know

Extensions & Renovation

When Is It Worth Converting Your Attic? Key Considerations, Costs & ROI

Building Guidance

How to Choose the Right Building Contractor for Your Home Renovation in Ireland?

Extensions & Renovation

How Long Does a Bathroom Renovation Take?

Energy & Grants

How to Maintain Your Heat Pump for Maximum Efficiency?

Extensions & Renovation

Do You Need Planning Permission for an Attic Conversion in Ireland?

Energy & Grants

How to Prepare Your House for a Deep Retrofit Project?

Extensions & Renovation

Small Rear vs. Wrap‑Around Extension: Which Is Right for Your Cottage or Bungalow?

Extensions & Renovation

10 Common Kitchen Renovation Mistakes and How to Avoid Them

Energy & Grants

BER Assessment Cost Ireland

Extensions & Renovation

Loft Conversion vs. Side Return Extension: Which Adds More Value?

Building Guidance

What to Expect During Your Window And Door Replacement Project?

Energy & Grants

What is Meant By a Deep Retrofit?

Energy & Grants

Ways to Increase the Energy Rating of Residential Buildings

Extensions & Renovation

Dormer vs. Mansard vs. Hip-to-Gable

Extensions & Renovation

Conservatory Vs Extension

Design

Does White Interiors Work For My Home?

Extensions & Renovation

Single Storey Vs Two-Storey Extension

Planning

Do I Need Planning Permission For a Driveway?

Design

How To Make The Most Of High Ceilings?

Design

How Much Do Interior Design Services Cost in Ireland?

Planning

How Local Zoning Laws Affect Planning Permission for a Project?

Planning

Do I Need Planning Permission for a Fence?

Extensions & Renovation

5 Pros And Cons Of Open-Plan Living

Extensions & Renovation

What is the Cost of Attic Conversion in Ireland?

Planning

How Much Does It Cost to Get Planning Permission in Ireland?

Energy & Grants

How Much Does Heat Pumps Cost in Ireland?

Cost Guides

What is the Chimney Liner Installation Cost in Ireland?

Energy & Grants

What is U Value, R Value, and K Value in Insulation?

Energy & Grants

How to Integrate Solar Energy Systems with Building Management Systems?

Cost Guides

How Much Does Wall & Floor Tiling Cost in Ireland?

Cost Guides

How Much Construction Project Management Costs in Ireland?

Cost Guides

Architectural Design Cost in Ireland

Energy & Grants

How to Upgrade Your Glass House Design with Smart Glass?

Extensions & Renovation

Kitchen Extension Cost in Ireland

Planning

Do You Need Planning Permission to Knock Down a Wall?

Cost Guides

Windows & Doors Prices in Ireland (Full Cost Guide)

Cost Guides

Kitchen Fitting Cost in Ireland

Planning

Do You Need Planning Permission for a Log Cabin?

Energy & Grants

Should You Choose Window Replacement or Retrofit for Your Home?

Building Guidance

What Are the Signs to Replace Windows in Your Home?

Extensions & Renovation

Granny Flats Cost in Ireland

Building Guidance

Can You Use Old House Plans to Build a New House?

Energy & Grants

Why Retrofitting Old Buildings is Both Necessary And Profitable?

Cost Guides

Architect Fees Ireland (2026 Updated Cost)

Cost Guides

Cost of Building a House in Ireland

Cost Guides

Cost Comparison of Aluminium Windows vs. UPVC in 2026

Planning

Do I Need Planning Permission to Change Garage in to Room?

Cost Guides

Design and Build Cost Ireland

Building Guidance

What Time of Year is Best to Renovate?

Cost Guides

What is the Cheapest Way to Extend a House?

Planning

Do I Need Planning Permission to Build a Garden Wall

Energy & Grants

A Comprehensive Guide to Home Improvement Grants in Ireland

Extensions & Renovation

What Should You Do First in a Home Renovation?

Building Guidance

Can Wooden Trusses Be Put in After a New Build?

Planning

Pre Planning

Energy & Grants

How to Incorporate Solar Panels in to Your Home Design

Energy & Grants

Does Wall Insulation Reduce Noise?

Energy & Grants

Popular Solar Panel Monitoring Apps to Check Out

Energy & Grants

How to Properly Dispose of or Recycle Solar Panels

Planning

Retention Planning

Planning

What Are My Options If My Planning Permission Gets Refused?

Extensions & Renovation

How Much Does It Cost to Redo a Small Bathroom in Ireland?

Extensions & Renovation

How Much Should You Spend on a Bathroom Remodel?

Extensions & Renovation

What is a Reasonable Budget for a Small Bathroom Remodel?

Energy & Grants

What are the Three Types of Insulation

Energy & Grants

How to Upgrade to a Bigger Solar Power System

Extensions & Renovation

Single Storey Extension Cost in Ireland

Extensions & Renovation

In What Order Do You Remodel a Bathroom?

Extensions & Renovation

How to Revamp a Bathroom for Cheap?

Building Guidance

Are Walk-in Showers a Good Idea?

Extensions & Renovation

How Long Does It Take to Renovate a Small Bathroom?

Extensions & Renovation

How Much Does an Average Bathroom Renovation Cost?

Energy & Grants

Floor Insulation Costs in Ireland

Energy & Grants

What is the Difference Between Retrofit And Deep Retrofit?

Energy & Grants

Drylining Insulation Cost in Ireland

Energy & Grants

House Insulation Cost in Ireland

Energy & Grants

How Long Does a BER Assessment Take?

Extensions & Renovation

Bathroom Renovation Cost in Ireland

Energy & Grants

Is It Harder to Sell a House With Solar Panels?

Building Guidance

How Long Does Double Glazing Last?

Extensions & Renovation

How Big Can an Extension Be Without Planning Permission?

Building Guidance

In What Order Should You Renovate a House?

Energy & Grants

How Much Will a Deep Retrofit Cost in Ireland?

Extensions & Renovation

How Much Does an Extension Cost Per M2 in Ireland?

Building Guidance

How Much Should You Budget to Renovate a House?

Energy & Grants

How Many Solar Panels Do I Need in Ireland?

Energy & Grants

What is the Best Insulation to Use for a House?

Energy & Grants

Who is Entitled to Free House Insulation?

Energy & Grants

What is the Best Budget Home Insulation?

Energy & Grants

What Thickness of Insulation is Best for Irish Homes?

Building Guidance

In What Order Do You Remodel a Kitchen?

Cost Guides

Residential Structural Engineer Cost in Ireland

Extensions & Renovation

How to Design the Best Home Extension Layout?

Energy & Grants

How to Install Solar Panels on a Flat Roof?

Energy & Grants

How to Calculate the ROI for Solar Panel Installations?

Extensions & Renovation

Do You Need Planning Permission for an Extension?

Energy & Grants

How to Choose the Right Solar Panels in Ireland?

Extensions & Renovation

Bathroom Remodel Costs in Ireland for Different Bathroom Types

Energy & Grants

Spray Foam Insulation Cost

Building Guidance

How Do You Insulate a Cold Wall from the Inside?

Energy & Grants

External Wall Insulation Cost in Ireland

Extensions & Renovation

Attic Insulation Cost

Energy & Grants

How Heat Pumps for Old Homes Are Revolutionising Energy Efficiency?

Building Guidance

How to Renovate a Kitchen on a Budget

Planning

What Can I Build Without Planning Permission in Ireland?

Energy & Grants

Pumped Cavity Wall Insulation Cost in Ireland

Extensions & Renovation

Timber Frame Extension in Ireland: Costs Benefits And Tips

Extensions & Renovation

Can You Build on Top of a Single Storey Extension

Building Guidance

How to Insulate a Dog House for Winter

Extensions & Renovation

How Long Does a Two Storey Extension Take?

Energy & Grants

Can Expanding Foam Be Used As Insulation?

Building Guidance

What is the Best Way to Insulate a Garage?

Energy & Grants

What Are the Best Exterior Wall Insulation Options?

Building Guidance

How to Insulate Solid Brick Walls

Energy & Grants

Sheep Wool Insulation

Extensions & Renovation

How to Insulate Your Loft

Building Guidance

How to Insulate Your Metal Garage

Extensions & Renovation

Single Storey Extensions: Cost, Design And Planning Advice

Building Guidance

Why Building Contractors Need Cyber Security Services?

Energy & Grants

How to Find a Ber Assessor for Your Next Renovation Project?

Energy & Grants

How to Connect Solar Panels to the Grid

Energy & Grants

How to Properly Size a Solar Panel System

Energy & Grants

How the Federal Solar Tax Credit Works

Extensions & Renovation

Small House Extension Ideas

Energy & Grants

How to Add More Solar Panels to an Existing System

Energy & Grants

Ways to Protect Your Solar Panels from Hail Storm Damage

Extensions & Renovation

Kitchen Renovation Cost in Ireland

Energy & Grants

Solar Panel Direction and Angle: Does It Matter?

Extensions & Renovation

House Extension Costs in Ireland: A Complete Breakdown

Building Guidance

How Can Seo Help a Construction Company Grow Business?

Energy & Grants

Cavity Wall Insulation Cost in Ireland

Extensions & Renovation

How Much Do Bungalow Extensions Cost in Ireland?

Energy & Grants

How Much Do Solar Panels Cost in Ireland?

Extensions & Renovation

How Much Value Does an Extension Add to Your House

Extensions & Renovation

House Extension Ideas: 6 Ways to Add Value to Your Home

Extensions & Renovation

Bungalow Extension Ideas

Extensions & Renovation

10 Cottage Extension Ideas to Add Space And Character

Extensions & Renovation

Old Cottage With Modern Extension – Revamping the Old

Building Guidance

Renovating an Old House in Ireland: Challenges & Solutions

Building Guidance

Best Heating System for Your Irish Home

Energy & Grants

How Much Roof Space for Solar Panels in Ireland?

Extensions & Renovation

How Much Does a New Bathroom Cost in Ireland

Extensions & Renovation

Building Regulations for Attic Conversion in Ireland (2026 Updated)

Extensions & Renovation

Porch Extension in Ireland: Ultimate Guide to Enhance Your Home

Extensions & Renovation

Rear Extension Terraced House Cost in Ireland: Complete Guide

Extensions & Renovation

The Best Bathroom Tile Ideas for Small Spaces

Extensions & Renovation

Double Storey Extension Cost in Ireland: Expert Guide

Extensions & Renovation

How to Plan a House Extension?

Extensions & Renovation

How Long Does a House Extension Take?

Energy & Grants

How to Improve Home Insulation? Decoding the Mysteries

Cost Guides

How Much Does a New Kitchen Cost in Ireland?

Extensions & Renovation

When Do I Need Planning Permission for House Renovations in Ireland?

Building Guidance

Modern Kitchen Floor Tile Ideas in Ireland

Energy & Grants

Are Solar Panels Worth It in Ireland?