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S and R Extensions And Renovations, Builder, Castleknock, Dublin 15

S&R Extensions And Renovations have provided a quality building service to homeowners and businesses in the Dublin and Leinster areas since 1986.

We are operated by experienced builders Sean Hanaphy (photo on left) and Robert Barker. Sean, a bricklayer by trade has more than 40 years experience in building, while Robert Barker brings with him an additional 12 years of experience.

S&R Extensions and Renovations are specialists in the building of extensions and renovations but also provide a complete building service. Our quotes are detailed and competitively priced.

Our Services

We specialise in:

  • Extensions
  • Renovations
  • All general building
  • groundworks
  • new builds
  • conversions
  • driveways
  • patios
  • walls
Tried and Tested

S&R Extensions and Renovations has been in business for 26 years, and have completed nearly 200 building projects, large and small. Our success over that many years speaks for itself.

First On The Job, Last Off

From the initial consultation to the finished walk through, your building job will be carefully project managed at all times. We stay in control of the details of each day's work so that your project will be correctly finished, on time and on budget.

Competitively Priced

Our quotes are keenly priced and we work hard to create a plan that will meet your requirements and your budget.

Fully Insured

We have full public liability and employers insurance. We are C2 registered.

Approved For Grant Funded Work

In addition to general building projects, we are approved to carry out grant funded work for disabled persons including downstairs bedrooms, invalid bathrooms, walk in showers and wheelchair ramps.

Meet Our Clients

We have many references available in most areas of Dublin. We can arrange for you to see our previous work and speak to our former clients.

Our Services

  • Attic Conversions
  • Building, Converting
  • Extensions
  • Groundworks
  • New Builds
  • Renovations
  • Roofing

Photos Of Our Work

Large Rear Kitchen Extension

.sample of work

Our clients needed extra space for a growing family. We added a large kitchen and dining room extension ...see full gallery

Kitchen and Dining Room Opened Up

.sample of work

Knocking down the dividing open transformed the living space of this Dublin home. ...see full gallery

Two Storey Side Extension

.sample of work

This project was both a renovation and an extension. The extension runs the length of the house and is ...see full gallery

Extension for Montessori

.sample of work

This is a purpose built montessori. It is attached to the side of a detached house, with its own separate ...see full gallery

New Build Blanchardstown

.sample of work

Our client was taking on a large new self build and contracted S&R Extensions to project manage and oversee ...see full gallery

Attic Conversion, West Dublin

.sample of work

This attic conversion provided a roomy additional bedroom for our clients. Built in wardrobes ensure ...see full gallery

Open Plan Kitchen and Dining Area

.sample of work

Knocking through walls to create an open plan kitchen and dining area is a really effective way to enhance ...see full gallery

Living Space Rear Extension

.sample of work

A simple rear extension will create a valuable dining and relaxing area in this Dublin home. Even a small ...see full gallery

Frequently Asked Questions

Find out about company insurance, project process aftercare by looking at our frequently asked questions page.

Get in Touch

Contact DetailsContact S and R Extensions And Renovations now by phone or email

Photos Of Our Work

sample of work

View all 8 galleries ...

Our Customers Say

Extension, Renovation, Attic Conversion

The job was completed earlier than expected, on budget and the quality of the work is excellent."

Barry Sherlock from Luttrellstown, Dublin 15 talks to pickapro .. See full interview

Extension And Renovation

I would highly recommend Robert and I have done...Good word gets around!"

Gerry Gentles from Carpenterstown, Dublin 15 talks to pickapro .. See full interview


The one word I would use would be reliable. Sean is very head down, no messing and gets the job done."

Susan Branagan from Preschool, Dublin talks to pickapro .. See full interview

Self Build Project Management

When Robbie came on board the project ran like clockwork."

Des Molloy from Blanchardstown, Dublin 15 talks to pickapro .. See full interview

Find Projects By Area

We've provided general addresses from some of our projects. Check out our map.