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General Builders

Transform Your Home with Southeast Windows Ltd.

General Builders

Southeast Windows Ltd offers a general builder service for the following new or replacement projects, ExtensionsConservatories, Orangeries, and replacement or new Porch. Our team of expert general builders dedicates itself to delivering premium quality and exceptional service, ensuring your home improvement projects meet and exceed your expectations with our general builders.

Home Extensions

Double Edwardian Conservatory with four pane Bifold door.

At Southeast Windows Ltd, we transform your home with exceptional extension services. Since our founding in 1999, we have been committed to delivering quality single-storey extensions from concept to completion. Whether you want to add a kitchen, dining area, Bathroom, wetroom, or tranquil space for relaxation, our extensions will expand your home’s size and elevate its visual appeal. The picture shows a Double Edwardian roof in Anthracite Grey with anti-solar glare, Blue tint self-cleaning glass, and a 4-pane Bi-Folding door with a Traffic door on the left for entry and exit, all installed by our skilled general builders with minimum disruption for the homeowners.

Customised Solutions

We begin our service with a FREE site survey to discuss your requirements and tailor our solutions to your needs. Our 3D CAD software allows us to design your Extension or Conservatory with millimeter-perfect precision. You can customise every detail, from window and door placements to brickwork colours, and add features like Patio and Bi-Fold Doors, glass roofs, and solid roofs with Velux-style roof lights. This customisation empowers you to create the perfect space, delivered and installed to your specifications and personal requirements and installed by our general builders.

Base Options

We offer two base options that meet the latest building regulations:

Durabase Conservatory Solutions

DurabasePlus 100 carcass going up

DurabasePlus 100 offers a versatile solution for Extensions, Conservatories, and Porches. This system provides a quicker, cleaner, and more cost-effective alternative to traditional building techniques. It delivers superior U-Values, reduces internal space loss, and is ideal for single-height Extensions. If you’re dealing with subsidence or failed foundations, DurabasePlus 100 offers a dependable solution implemented by our experienced general builders. Being BBA-approved, this product will not fail you.

Porches

Enhance your home’s security and energy efficiency with a new porch from Southeast Windows Ltd. We build and install porches that provide an extra layer of security at your front door while insulating your home’s entrance with double-glazed windows. From building the base to matching your existing brickwork and fitting A+ energy-rated windows, we offer a complete service with various roof styles and tiles to ensure a perfect match for your home. Our expert general builders handle every aspect seamlessly.

Gable Fronted Porch

Conservatories

home extension DurabasePlus 100 Conservatory Base

We supply and install many Conservatories styles, including Double Edwardian, Edwardian hipped roof, Victorian, Lean-to, P-shaped, T-shaped, Gable-fronted, and Orangery styles. Our Wendland Ultraframe roofing system comes with BBA certification for quality, and we also offer Durabase Conservatory bases that are quicker and cleaner to install than traditional methods, thanks to our experienced general builders.

Planning and Compliance

Our team ensures that all projects adhere to the most recent building regulations. For projects under 30m² that fall under ‘permitted development rights,’ we handle the regulations to ensure thermal separation from the main dwelling and compliance with energy efficiency standards. We care for these details, ensuring our general builders construct your project to the highest standards.

Want to know More?

Call us today for your FREE, no-obligation quotation or fill out our Contact Form! For the most modern, energy-efficient replacement Windows, Doors and Conservatory with a 10-year Insurance Backed Guarantee for complete home Comfort & Designed to Keep You Warm, Safe, & Secure.

Alternatively, call your local number below to arrange an appointment.

East London Double Glazing: 020 8472 4088 (head office)
South London Double Glazing: 0203 856 6667
North London Double Glazing: 0203 856 6669
Epping: 01992 940 809
Chelmsford Double Glazing: 01245 208 058
Romford Double Glazing: 01708 202 457
Great Dunmow Double Glazing: 01371 704 771

Southeast Windows Ltd
4.9
Based on 24 reviews
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Laurence RadfordLaurence Radford
15:17 19 Nov 24
Roy and team did an excellent and professional job replacing 3 front windows, making the change unnoticeable from the outside. They were worked with challenges getting large frames into the upstairs room and were courteous throughout. Would recommend.
Kate CleaverKate Cleaver
11:03 14 Nov 24
Really happy I chose Southeast Windows to fit my UPVC back door. Roy was friendly, professional and helpful at every step of the process. I was very happy with the workmanship and it was done so efficiently and with so little mess. I definitely recommend for a first class service !
Derek WongDerek Wong
08:30 30 Oct 24
I would like to express my heartfelt thanks to Southeast Windows for their exceptionally good service. From the moment I reached out to them, their team demonstrated professionalism and efficiency that truly impressed me. The installation process of double glazing was remarkably fast, allowing me to enjoy the warmth of the new windows brought sooner than expected.Moreover, I was particularly impressed with the cleanliness maintained throughout the whole installation project. The team took great care to ensure that my home remained tidy, leaving no mess behind. This attention to detail speaks volumes about their commitment to customer satisfaction.Besides, the quality of the windows is outstanding. The windows not only enhance the aesthetic appeal of my home but also provide excellent insulation. I am thrilled with the results and would highly recommend Southeast Windows to anyone in need of window services. Thank you Roy and your team once again for your hard work and dedication!
Marc JonesMarc Jones
12:47 21 Jun 24
Amazing company and service. High quality work at very good price. Very efficient with great communication throughout. Would 100% reccomend.
David GridleyDavid Gridley
11:10 07 Sep 23
Excellent work from Roy and his team. He installed our windows quickly and with a minimum of dust etc. They also took away the old windows which was a great help.
Arnold CabanusArnold Cabanus
21:11 06 Mar 23
We recently had all our old windows replaced and installed by Southeast Windows. Everything, from the survey to the installation day runned smoothly .We are delighted with the excellent window installations that they did and left our house clean and tidy after. This company is very trustworthy , professional and courteous. If you need an honest and efficient windows installation company, definitely Southeast Windows Ltd is highly recommended.
Leah CorneyLeah Corney
16:38 10 Feb 23
We chose southeast windows to replace our old upvc windowsfrom initial survey company were very informative explaining different options available fensa warranty fire regs etcquotation was very competitive detailing all widow specifications everything what we was getting including removal of all rubbishSo glad We went with triple gazing option not that much extraguys arrived early every morning we’re courteous and professional at all times did a fantastic job of installing windows clean and tidywindows look fantastic house is so much warmer and noise reduction really please we choose this company would definitely use againHighly recommend
Steve ClareSteve Clare
16:01 04 Oct 22
Had the double-glazing at the front of my house replaced. Really impressed with the quality of the work and the value for money. Roy is a real expert. All in all, absolutely delighted and very happy to recommend Southeast Windows. Five star review.
Hilary ArmstrongHilary Armstrong
15:11 08 Sep 21
Roy and his team fitted new windows and French doors in our house earlier this year (we wanted to live with them for a while before reviewing!). We are really pleased with the quality of the windows and the service from Roy. He's a real gent to deal with and is punctual and professional. His quote wasn't actually the lowest but he was the only one to supply full details of materials, give fire safety and security advice, send a detailed quote etc. Thank you Roy
Megan MonaghanMegan Monaghan
10:33 04 Jun 21
I got quotes from a few companies however Peter was the only one who followed up to my questions on email so I decided to go with Southeast Windows. I am super glad I did, as Peter was professional and I am really happy with the work done in installing a new PVC backdoor and replacing glass in several windows. Peter was knowledgable, friendly and didn't take advantage of my lack of knowledge of window and door installation like some other builders have, being a first time home owner.I wouldn't hesitate to recommend Peter and Southeast Windows, I will for sure be using them again if I need. Thank you Peter!
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