Our Work

Explore our completed projects and see the quality craftsmanship we deliver

With over 20 years of experience, Crownhill Building Services has completed hundreds of home extension projects across Milton Keynes, Bedford, Northampton and surrounding areas. From single and double storey extensions to kitchen extensions, every project is managed in-house from foundations to finishing touches. Browse our completed work below and click any project to see photos and full details.

Click on any project to view full details

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Stunning single storey rear extension with luxury kitchen, bi-folding doors and underfloor heating in Westcroft

Luxury Rear Extension in Westcroft Milton Keynes

Westcroft, Milton Keynes

Extensions
12.02.2026 View Project
Contemporary home extension featuring wood effect aluminium sliding doors and tilt turn windows

Modern Home Extension in Crownhill Milton Keynes

Crownhill, Milton Keynes

Extensions
18.12.2025 View Project
Modern single storey rear extension in Loughton with large view window and French doors

Single Storey Rear Extension in Loughton

Loughton, Milton Keynes

Extensions
28.11.2025 View Project
Impressive two storey side and single storey rear extension with modern design in Loughton, Milton Keynes

Large Two Storey Extension in Loughton Milton Keynes

Loughton, Milton Keynes

Extensions Kitchens & Bathrooms
27.06.2025 View Project
Luxury Garden Room in Milton Keynes

Luxury Garden Room in Milton Keynes

Milton Keynes

Other
28.10.2025 View Project
Loft Conversion in White House in Milton Keynes

Loft Conversion in White House in Milton Keynes

Whitehouse, Milton Keynes

Loft & Garage Conversions
18.06.2025 View Project
Luxury Single Storey Rear Extension in Milton Keynes

Luxury Single Storey Rear Extension in Wavendon Gate in Milton Keynes

Wavendon Gate, Milton Keynes

Extensions
04.06.2025 View Project
Single Storey Rear House Extension in Oldbrook

Single Storey Rear House Extension in Oldbrook

Oldbrook, Milton Keynes

Extensions
24.04.2025 View Project
Garage Conversion into Self-Contained Accommodation in MK

Garage Conversion into Self-Contained Accommodation in MK

Greenleys, Milton Keynes

Loft & Garage Conversions
25.11.2024 View Project
Single Storey Rear Extension in Crownhill

Single Storey Rear Extension in Crownhill

Crownhill, Milton Keynes

Extensions
20.09.2024 View Project
Large extension in Oldbrook

Building extension above the garage and at the rear in Oldbrook

Oldbrook, Milton Keynes

Extensions
18.01.2024 View Project
Single Storey rear extension in Whaddon

Single Storey rear extension in Whaddon

Whaddon

Extensions
16.01.2024 View Project
Two Storey L-Shaped extension in Whaddon

Two Storey L-Shaped extension in Whaddon Milton Keynes

Whaddon

Extensions
30.01.2024 View Project
Extension in Oldbrook

Extension in Oldbrook

Oldbrook, Milton Keynes

Extensions
17.04.2024 View Project
Rear Extension with Bi-Folding doors and other building work

Rear Extension with Bi-Folding doors and other building work

Woolstone, Milton Keynes

Extensions
21.03.2022 View Project
Rear single storey extension in Emerson Valley and Garage conversion

Rear single storey extension in Emerson Valley and Garage conversion

Emerson Valley, Milton Keynes

Extensions
08.02.2024 View Project
Glass Extension in Tattenhoe Milton Keynes

Glass Extension in Tattenhoe Milton Keynes

Tattenhoe, Milton Keynes

Extensions
17.03.2022 View Project
Two storey side extension in Loughton

Two storey side extension in Loughton

Loughton, Milton Keynes

Extensions
08.01.2024 View Project
Front and Back House Extensions in Weston Underwood

Front and Back House Extensions in Weston Underwood

Weston Underwood

Extensions
08.11.2018 View Project
Back Home Extension and Garage Conversion

Back Home Extension and Garage Conversion

Blue Bridge, Milton Keynes

Extensions Loft & Garage Conversions
01.08.2019 View Project
Single Storey Back House Extension Old Farm Park

Single Storey Back House Extension Old Farm Park

Old Farm Park, Milton Keynes

Extensions
20.10.2021 View Project
Back Extension with Patio in Milton Keynes

Back Extension with Patio in Milton Keynes

Shenley Lodge, Milton Keynes

Extensions
04.05.2021 View Project
Rear Extension and Garden work in Downhead Park

Rear Extension and Garden work in Downhead Park

Downhead Park, Milton Keynes

Extensions
20.12.2021 View Project
Small rear extension in Whitehouse Milton Keynes

Small rear extension in Whitehouse Milton Keynes

Whitehouse, Milton Keynes

Extensions
14.01.2023 View Project
Home Extension and other work in Furzton

Home Extension and other work in Furzton

Furzton

Extensions
06.02.2019 View Project
Home Extension in Stantonbury

Home Extension in Stantonbury

Stantonbury, Milton Keynes

Extensions
14.03.2016 View Project
Single Storey House Extension in Newport Pagnell

Single Storey House Extension in Newport Pagnell

Newport Pagnell, Milton Keynes

Extensions
11.06.2015 View Project
Building Single Storey Side House Kitchen Extension In Milton Keynes

Building Single Storey Side House Kitchen Extension In Milton Keynes

Blakelands, Milton Keynes

Extensions
13.01.2020 View Project
House Extension in Willen Lake

House Extension in Willen Lake

Willen Lake, Milton Keynes

Extensions
09.10.2015 View Project
En-suite renovation

En-suite renovation

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
28.10.2014 View Project
Cloakroom renovation in Furzton

Cloakroom renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
13.09.2017 View Project
Kitchen refurbishment in Bletchley

Kitchen refurbishment in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
09.07.2015 View Project
Kitchen installation in the newly built rear extension

Kitchen installation in the newly built rear extension

Whaddon

Kitchens & Bathrooms
08.01.2024 View Project
Kitchen renovation and RSJ installations in Bletchley

Kitchen renovation and RSJ installations in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
13.03.2024 View Project
Master Bathroom Renovation in Furzton

Master Bathroom Renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
15.09.2017 View Project
Master bathroom complete renovation

Master bathroom complete renovation

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
08.10.2014 View Project
Kitchen and utility room renovation in Newport Pagnell

Kitchen and utility room renovation in Newport Pagnell

Newport Pagnell, Milton Keynes

Kitchens & Bathrooms
16.10.2019 View Project
Kitchen design and installation in Cranfield

Kitchen design and installation in Cranfield

Cranfield

Kitchens & Bathrooms
20.05.2021 View Project
Kitchen renovation project

Kitchen renovation project

Old Farm Park, Milton Keynes

Kitchens & Bathrooms
30.10.2020 View Project
Kitchen refurbishment in Middleton

Kitchen refurbishment in Middleton

Middleton, Milton Keynes

Kitchens & Bathrooms
17.12.2012 View Project
Kitchen Installation in Bletchley

Kitchen Installation in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
21.07.2013 View Project
Kitchen renovation in Bletchley

Kitchen renovation in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
11.10.2017 View Project
Kitchen renovation in Hanslope

Kitchen renovation in Hanslope

Hanslope

Kitchens & Bathrooms
20.11.2016 View Project
Kitchen renovation in Furzton

Kitchen renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
20.10.2017 View Project
Loft Conversion in Milton Keynes

Loft Conversion in Milton Keynes

Milton Keynes

Loft & Garage Conversions
20.04.2020 View Project
Garage Conversion in Newport Pagnell in MK

Garage Conversion in Newport Pagnell in MK

Newport Pagnell, Milton Keynes

Loft & Garage Conversions
21.02.2019 View Project
Building Garage in Newport Pagnell

Building Garage in Newport Pagnell

Newport Pagnell, Milton Keynes

Other
18.04.2019 View Project
Garage Conversion in Furzton

Garage Conversion in Furzton

Furzton, Milton Keynes

Loft & Garage Conversions
17.08.2016 View Project
Converting Existing Conservatory to a Warm Roof Conservatory in Milton Keynes

Converting Existing Conservatory to a Warm Roof Conservatory in Milton Keynes

Milton Keynes

Other
19.11.2020 View Project
Double Garage Conversion in Fishermead

Double Garage Conversion in Fishermead

Fishermead, Milton Keynes

Loft & Garage Conversions
22.11.2013 View Project
Garage Conversion with En-suite in Fishermead

Garage Conversion with En-suite in Fishermead

Fishermead, Milton Keynes

Loft & Garage Conversions
18.02.2016 View Project
Garage Conversion in Newport Pagnell

Garage Conversion in Newport Pagnell

Newport Pagnell, Milton Keynes

Loft & Garage Conversions
06.09.2019 View Project
Converting Conservatory in Emerson Valley Milton Keynes

Converting Conservatory in Emerson Valley Milton Keynes

Emerson Valley, Milton Keynes

Other
10.11.2020 View Project
Bathroom renovation in Furzton

Bathroom renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
04.07.2017 View Project
Bathroom renovation in Wavendon

Bathroom renovation in Wavendon

Wavendon, Milton Keynes

Kitchens & Bathrooms
28.11.2014 View Project
Creating en-suite in Bletchley

Creating en-suite in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
14.11.2014 View Project
En-suite installation as a part of garage conversion

En-suite installation as a part of garage conversion

Milton Keynes

Loft & Garage Conversions Kitchens & Bathrooms
29.10.2021 View Project
Bathroom renovation in Milton Keynes

Bathroom renovation in Milton Keynes

Milton Keynes

Kitchens & Bathrooms
29.07.2022 View Project
Master Bathroom renovation in Northampton

Master Bathroom renovation in Northampton

Northampton

Kitchens & Bathrooms
31.03.2015 View Project
Kitchen design and installation in Emerson Valley

Kitchen design and installation in Emerson Valley

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
05.06.2014 View Project
Kitchen re-modelling in Bedford

Kitchen re-modelling in Bedford

Bedford

Kitchens & Bathrooms
18.06.2019 View Project
Kitchen revamp in Bletchley part garage conversion and other work

Kitchen revamp in Bletchley part garage conversion and other work

Bletchley, Milton Keynes

Kitchens & Bathrooms
18.11.2020 View Project
Kitchen renovation in Heath and Reach

Kitchen renovation in Heath and Reach

Heath and Reach

Kitchens & Bathrooms
06.09.2018 View Project
Kitchen and utility room renovation in Wavendon

Kitchen and utility room renovation in Wavendon

Wavendon, Milton Keynes

Kitchens & Bathrooms
28.05.2014 View Project
Master bathroom cloakroom and en-suite renovation in Newport Pagnell

Master bathroom cloakroom and en-suite renovation in Newport Pagnell

Newport Pagnell, Milton Keynes

Kitchens & Bathrooms
17.10.2019 View Project
Master bathroom cloakroom and en-suite remodelling in Bedford

Master bathroom cloakroom and en-suite remodelling in Bedford

Bedford

Kitchens & Bathrooms
28.06.2019 View Project
Kitchen renovation in Emerson Valley

Kitchen renovation in Emerson Valley

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
20.12.2016 View Project
Guest bathroom renovation in Monkston Park

Guest bathroom renovation in Monkston Park

Monkston Park, Milton Keynes

Kitchens & Bathrooms
14.11.2014 View Project
Kitchen design and installation in Two Mile Ash in Milton Keynes

Kitchen design and installation in Two Mile Ash in Milton Keynes

Two Mile Ash

Kitchens & Bathrooms
13.01.2021 View Project
Bathroom Renovation in Bletchley

Bathroom Renovation in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
10.08.2012 View Project
Kitchen refurbishment in Emerson Valley

Kitchen refurbishment in Emerson Valley

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
25.06.2015 View Project
Full kitchen renovation in Furzton

Full kitchen renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
14.03.2017 View Project
Various projects in Oakridge Milton Keynes

Various projects in Oakridge Milton Keynes

Oakridge, Milton Keynes

Other
25.11.2017 View Project
En-suite renovation in Oakridge Milton Keynes

En-suite renovation in Oakridge Milton Keynes

Oakridge, Milton Keynes

Kitchens & Bathrooms
25.11.2017 View Project
Master bathroom renovation in Oakridge Milton Keynes

Master bathroom renovation in Oakridge Milton Keynes

Oakridge, Milton Keynes

Kitchens & Bathrooms
13.04.2017 View Project
Big kitchen and utility room renovation in Furzton

Big kitchen and utility room renovation in Furzton

Furzton, Milton Keynes

Kitchens & Bathrooms
17.06.2013 View Project
Modifying master bathroom in Wolverton

Modifying master bathroom in Wolverton

Wolverton, Milton Keynes

Kitchens & Bathrooms
25.06.2014 View Project
En-suite renovation in Bletchley

En-suite renovation in Bletchley

Bletchley, Milton Keynes

Kitchens & Bathrooms
25.10.2013 View Project
Kitchen installation in Drayton Parslow

Kitchen installation in Drayton Parslow

Drayton Parslow

Kitchens & Bathrooms
25.05.2018 View Project
Kitchen renovation in Stantonbury

Kitchen renovation in Stantonbury

Stantonbury, Milton Keynes

Kitchens & Bathrooms
14.09.2012 View Project
Bathroom renovation in Hanslope

Bathroom renovation in Hanslope

Hanslope

Kitchens & Bathrooms
20.11.2016 View Project
Master bathroom renovation in Wolverton

Master bathroom renovation in Wolverton

Wolverton, Milton Keynes

Kitchens & Bathrooms
12.02.2014 View Project
Master Bathroom and En-suite remodelling in Milton Keynes

Master Bathroom and En-suite remodelling in Milton Keynes

Milton Keynes

Kitchens & Bathrooms
18.12.2020 View Project
Cloakroom renovation in Northampton

Cloakroom renovation in Northampton

Northampton

Kitchens & Bathrooms
05.05.2015 View Project
En-suite renovation in Northampton

En-suite renovation in Northampton

Northampton

Kitchens & Bathrooms
25.04.2015 View Project
Kitchen renovation in Northampton

Kitchen renovation in Northampton

Northampton

Kitchens & Bathrooms
10.04.2015 View Project
Master bathroom renovation in Peartree Bridge

Master bathroom renovation in Peartree Bridge

Peartree Bridge

Kitchens & Bathrooms
20.11.2014 View Project
Master Bathroom project in Monkston Park

Master Bathroom project in Monkston Park

Monkston Park, Milton Keynes

Kitchens & Bathrooms
20.12.2017 View Project
Kitchen and utility room renovation in Tattenhoe

Kitchen and utility room renovation in Tattenhoe

Tattenhoe, Milton Keynes

Kitchens & Bathrooms
20.12.2018 View Project
En-suite renovation in Monkston Park

En-suite renovation in Monkston Park

Monkston Park, Milton Keynes

Kitchens & Bathrooms
20.11.2019 View Project
Small kitchen renovation in Walnut Tree

Small kitchen renovation in Walnut Tree

Walnut Tree, Milton Keynes

Kitchens & Bathrooms
25.09.2015 View Project
Master Bathrooms renovation in Emerson Valley

Master Bathrooms renovation in Emerson Valley

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
20.10.2017 View Project
Kitchen refurbishment in Newport Pagnell

Kitchen refurbishment in Newport Pagnell

Newport Pagnell, Milton Keynes

Kitchens & Bathrooms
20.10.2018 View Project
En-suite renovation in Emerson Valley

En-suite renovation in Emerson Valley

Emerson Valley, Milton Keynes

Kitchens & Bathrooms
20.09.2017 View Project