AGI Construction
Built on Quality, Delivered with Pride
Get Free Quote
seai
SEAI Registered Contractor
Contractor ID: 19843

Professional Installation & Insulation Services

Expert window and door installation, floor, wall and roof insulation across County Westmeath, Roscommon and Dublin.

Westmeath Roscommon Dublin
€177+
Windows from
€353+
Doors from
4
Core Services
3
Counties Served
Free Measuring Visit
€100 fully deducted when order placed
What We Do

Our Services

Complete installation and insulation solutions for your home or business in Ireland.

Windows Installation

Professional window installation with full delivery, removal of old units, and finishing prepared for painting. Prices effective from 1 June 2026.

Window InstallationInstall €Finish €Waste €
Up to 1.5 m²1778021
1.5 – 2.5 m²20910732
Over 2.5 m²23511837
All prices exclusive of VAT. Delivery, removal & installation included. Finishing prepared for painting. Measuring (€100) deducted if order placed.

Doors Installation

Entrance and back door installation including single doors, side panels, French doors, and sliding patio doors.

Install €Finish €Waste €
Entrance Doors
Single Door35311821
1 Side Panel53017732
2 Side Panels70617737
Back Doors
Single Back Door35311821
French Doors47117737
Sliding Patio471–824from 177from 59

Floor Insulation

Comprehensive floor insulation solutions to reduce heat loss and lower your energy bills. Suitable for all floor types.

Rigid board insulation under solid floors
Mineral wool between joists
Spray foam insulation
Draught proofing
Prices vary by floor area and type. Contact us for a free assessment and tailored quote. SEAI grants may apply.

Wall & Roof Insulation

External, internal and cavity wall insulation plus full roof insulation services. SEAI grant-eligible works.

External wall insulation (EWI)
Internal wall insulation
Cavity wall insulation
Attic & pitched roof insulation
Flat roof insulation
Important: All Prices Exclusive of VAT
VAT is not included in the above prices.
13.5%
Residential
23%
Commercial
BEFORE INSULATION
Cold, draughty home with high energy bills

Heat escapes through walls, windows, floors and roof. Your home loses warmth — and you lose money.

−5°C
TEMP
Keep scrolling to see the transformation
Diagnosing heat loss
Floor insulation installed
Wall insulation applied
Roof sealed and insulated
Windows & doors installed
Full warmth achieved
Draughty & Cold
Warm & Comfortable
Why Choose Us

The AGI Advantage

We're not just contractors — we're your trusted partners in creating a warmer, more energy-efficient home.

01

SEAI Registered Contractor

Officially registered with the Sustainable Energy Authority of Ireland (ID: 19843), enabling you to access government grants.

02

All-Inclusive Service

Delivery, removal of old units, installation, and finishing prep for painting — all included in your quoted price.

03

Free Measuring Visit

Our expert visits your property for precise measurements. The €100 measuring fee is fully deducted when you place your order.

04

3 Counties Served

Proudly serving homeowners and businesses across Westmeath, Roscommon and Dublin with reliable, on-schedule service.

05

Transparent Pricing

Our price list is published — no hidden fees, no surprises. You know exactly what you're paying before work begins.

06

Quality Materials Only

We source premium windows, doors and insulation materials to ensure lasting performance and maximum energy efficiency.

Who We Are

Built on Quality, Delivered with Pride

AGI Construction Ltd is a trusted Irish construction company specialising in window and door installation, and comprehensive insulation solutions. As a SEAI Registered Contractor, we help Irish homeowners reduce energy costs while improving comfort and property value.

SEAI Registered and fully compliant with Irish building regulations
Serving Westmeath, Roscommon and Dublin with on-time, professional service
Transparent pricing — our rates are published and include all work
Residential and commercial clients welcome
Grant-eligible insulation work available for homeowners
3
Counties Served
#19843
SEAI Contractor ID
4
Specialist Services
100%
Transparent Pricing
Get In Touch

Request a Free Quote

Fill in the details below and our team will get back to you with a tailored quote for your project.

Service Area
Westmeath, Roscommon, Dublin
SEAI Contractor ID
19843
Contact Details
Which Services Do You Need?
Window Details
Door Details
Floor Insulation Details
Wall Insulation Details
Roof Insulation Details
Additional Information
Request Received!
Thank you — our team will contact you shortly to discuss your quote.
Ready When You Are

Let's Make Your Home Warmer Today

Join homeowners across Westmeath, Roscommon and Dublin who trust AGI Construction for quality installation and insulation work.

Common Questions

Frequently Asked Questions

Quick answers to help you understand our process and pricing.

Are your prices inclusive of VAT?+
No. All prices on our price list are exclusive of VAT. Residential VAT is 13.5% and commercial VAT is 23%, added at invoicing.
Is the measuring visit really free?+
The measuring visit costs €100, but this fee is fully deducted from your final invoice once you place an order with us.
What is included in the installation price?+
Delivery, removal of old units, and full installation are included. Finishing (prepared for painting) and waste disposal are separate line items as shown on our price list.
Do you help with SEAI grants?+
Yes. As a SEAI Registered Contractor (ID 19843), we can advise on grant-eligible insulation works and guide you through the process.
Which areas do you cover?+
We currently serve County Westmeath, County Roscommon and Dublin. Contact us to confirm availability in your specific area.
How long does installation take?+
Timelines depend on the scope of work. Window and door installations are typically completed within 1–2 days; insulation projects vary by area size. We confirm exact timing after your site visit.