Patio Enclosures by Great Day Improvements
Great Day Improvements Stanek Windows by Great Day Improvements Patio Enclosures by Great Day Improvements
Reps available: Mon-Thur 9am-8pm
Fri 9am-7pm  |  Sat-Sun 9am-1pm EST
Find Your Location
Find Your Location

Serving Greater Washington D.C.

We proudly serve the Greater Washington D.C. Metro area including Northern Virginia and Maryland. Contact our Washington showroom for your next Patio Enclosures project or simply fill out our online form to schedule your free in-home estimate.

  • About Us
  • Products & Services
  • Local Reviews
  • Specials & Financing

Patio Enclosures

7345 Lockport Place
Lorton, VA 22079

License #:DC 420214000016;
VA 2705157137; MHIC #132308

Washington Patio Enclosures Manager

Managed by Tom Edger

Specials & Financing

Sunroom Financing Learn More

Location Details

Patio Enclosures Washington Location

Our Products

Our Sunroom Products Learn More

Contact Information

Local: 703-496-3019 Toll-free: 800-230-8301 Email:

Hours of Operation

  • Monday
  • Tuesday
  • Wednesday
  • Thursday
  • Friday
  • Saturday
  • Sunday
  • 8:30 a.m. - 5 p.m.
  • 8:30 a.m. - 5 p.m.
  • 8:30 a.m. - 5 p.m.
  • 8:30 a.m. - 5 p.m.
  • 8:30 a.m. - 5 p.m.
  • By Appointment
  • By Appointment

Certifications & Associations

  • Qualified Remodeler's Top 500 of 2016 (#21)
  • Qualified Remodeler's HIP of 2016 (#18)
  • Qualified Remodeler's Top 500 of 2015 (#22)
  • Qualified Remodeler's HIP of 2015 (#19)
  • EPA Lead-Safe Certified Firm
  • NARI
  • Angie's List
  • Licensed, Bonded, Insured

Payment Options

  • Visa
  • MasterCard
  • Amex
  • Discover
  • Cash
  • Check
  • Financing Available

Greater Washington Location Overview

We have served the Metropolitan Washington DC and Washington areas for over 3 decades with over 15,000 satisfied customers. As a full service remodeler, we understand the comfort our customers have knowing they’re dealing with a business that can give them “Big Company Support”. And at the same time, we are a family business who takes great pride in each individual project no matter how modest or grand so we also understand the comfort our customers have in knowing they get “Small Town Service”.

As building codes and construction techniques have changed over the years, it is more important than ever that you choose someone who will take responsibility for your project through the following steps:

  • Idea
  • Design
  • Permits
  • Manufacturing/Ordering
  • Installation
  • Clean up
  • Service and warranties

Unfortunately in today’s marketplace, people equate “free in-home estimate” with a three-hour “high-pressure sales pitch”. At Great Day Improvements LLC, we do not operate that way. We appreciate every opportunity to meet with homeowners and discuss the projects & dreams they have in mind. We will evaluate your situation, make suggestions and show you how we would approach it. Sometimes this can be done on our initial visit. Sometimes it might take several visits. Whenever you decide you’re ready to move forward, we want to be the ones you choose.

If you’re ready to explore the possibility of building that sunroom you’ve always wanted or upgrading your windows and siding to energy efficient product; if you’re ready for a deck that you don’t have to maintain every year; if you have a deck or a patio but it’s just too hot to use and you want to cover it with a retractable awning; if you’d like something a little more decorative than that cracked concrete slab in your back yard or if you just need additional living space for your growing family; you owe it to yourself to set aside an hour or so and let one of our professionals give you an honest, no-hassle evaluation.

Patio Enclosures

Patio EnclosuresPatio Enclosures custom manufactures every sunroom to meet your style and budget. Let our design consultants work with you to see what's best for your home and lifestyle.


Stanek Windows

Stanek Windows by Great Day ImprovementsIncrease the energy efficiency of your home and reduce energy bills with the highest quality replacement windows and doors.


Backyard Solutions

Backyard Solutions by Great Day ImprovementsImprove your outdoor space. Add shade, beauty and practical solutions that enhance your enjoyment of your backyard.


We take pride in each and every sunroom we manufacture and install while offering quality materials and craftsmanship. However, you don't have to take our word for it. Our satisfied customers are more than happy to share the positive experience they've had while working with Patio Enclosures through the years.

Check out some local reviews or leave one of your own on the following websites:

Angie's ListReview us on Angie's List Google +Review us on Google+ Home AdvisorReview us on Home Advisor HouzzReview us on Houzz YelpReview us on Yelp

“I am very pleased with the finished project.” – Vivian J., Linden, VA | August 26, 2017 * * * *

“The job was completed quickly and everyone I worked with was very professional.” – Jack S., Haymarket, VA | August 17, 2017 * * * * *

“The quality of work was outstanding and the workers very accommodating. There was not much communication from contract signing to project start date.” – Diana F., Brandywine, MD | July 19, 2017 * * * *

“I'm very happy with how the project turned out and the constant contact I received concerning the status of who and what.” – Chris G., Purcellville, VA | July 6, 2017 * * * * *

“The patio looks great and it's made with quality material. My family and I can't wait to set the room up and enjoy it year round.” – Warren H., Alexandria, VA | June 8, 2017 * * * * *

“The quality of work has been very good. But, there were delays and there was a mistake with one of the sections extending the completion date by about a month.” – Stefan A., Chevy Chase, MD | June 8, 2017 * * * *

“The installation crew was polite and professional. Also, the person in billing was very good about confirming how I wanted to make each payment.” – Barbara N., Arlington, VA | June 1, 2017 * * * * *

“The installers did a great job and we love the product. It took a long time- several months to get scheduled in, which wouldn't have been our first choice. Besides that, we are very pleased!” – Jessica C., Alexandria, VA | May 11, 2017 * * * * *

“Very efficient and pleasant. Good job.” – Ken L., Annadale, VA | May 6, 2017 * * * * *

“Ron did a great job reconditioning the sunroom. His work was so meticulous that it is nothing less than perfect.” – John S., Bowie, MD | May 4, 2017 * * * * *

“The work was performed satisfactorily.” – Yvonne J., Upper Marlboro, MD | April 27, 2017 * * *

“Quick workers and knowledgeable staff.” – Joe E., Lorton, VA | February 9, 2017 * * * * *

“Overall, the windows look good and has improved the temperature in the patio.” – Mario L., Rockville, MD | December 24, 2016 * * * *

“We were extremely pleased with the overall roof replacement project. All of the crew was very professional from the initial contact through installation. Two of the crew members, Juan and Maurice, were exceptional in explaining each step as the job progressed. Thank you for having these very professional employees come to our home.” – Jerry G., Manassas, VA | December 22, 2016 * * * * *

“The Patio Enclosures team had to remove a ramp and replace it with a landing and a new ramp. The team made the changes, which were significant, with no additional cost, stating that their only desire was to make sure that we were satisfied. The customer service and the excellent quality of the product and the installation make it easy to recommend them to anyone. The workmanship and the customer service exceeded our expectations, which were high to begin with.” – Robert C., Alexandria, VA | November 17, 2016 * * * * *

“Everyone involved with the process was very professional.” – Ben C., Bowie, MD | November 4, 2016 * * * * *

“Working with Fairfax County has been a very difficult journey, but Teresa helped us navigate the red tape along the way. The installation crew was very professional and know their skills sets.” – Eddie M., Alexandria, VA | October 7, 2016 * * * * *

“I adore my new solarium. I'm having a social gathering this Sunday to celebrate the gorgeous room! The crew, especially the lead technician, was to die for. I actually liked them being here and missed them when they completed the room and left. The room construction is SOLID!!” – Irene P., Triangle, VA | September 1, 2016 * * * * *

“From start to finish, we were very pleased with all phases of the process.” – Mike Z., Lorton, VA | August 11, 2016 * * * * *

“They arrived on time, cleaned up behind themselves, installed a beautiful product that looks good and answered my questions.” – Irene G., Washington, DC | July 7, 2016 * * * * *

“The [Patio Enclosures] unit is exceptionally made. The installers were neat and meticulous.” – Eugene S., Rockville, MD | June 23, 2016 * * * * *

“The work removing the old porch and erecting the new porch was efficient and well received by my wife and I.” – Jack C., Springfield, VA | June 9, 2016 * * * * *

“The workers were friendly and responsive to suggestions.” – Jerome G., California, MD | June 1, 2016 * * * * *

“The crew members and the management team were very professional.” – Diaa H., North Potomac, MD | May 6, 2016 * * * * *

“The job looks great and they did a great job cleaning up around the work site. The new materials are certainly much superior to what was used originally. My only gripe was the charge for removing and reinstalling the one old light fixture in the room.” – Alan T., Silver Spring, MD | April 28, 2016 * * * * *

“The structure was well planned and the construction was completed in a very timely fashion. The crew was very helpful and politely answered all questions.” – Sandy M., West Bethesda, MD | April 14, 2016 * * * * *

“The entire construction crew, particularly Jason and John, were very courteous and professional.” – Michele S., Waldorf, MD | April 7, 2016 * * * * *

“Although the job was well done, I do think it was quite pricey. The men who did the work were very competent.” – Shirley K., Vienna, VA | April 7, 2016 * * * *

"The [Patio Enclosures] product is great! The first salesmen who came out was GREAT! The price was good. However, we wish the communication was a bit better while we were waiting for our order to come." – Eric M., Woodbridge, VA | March 10, 2016 * * * *

"Extremely satisfied! Hope to work with Patio Enclosures again in the future." – Jay B., Temple Hills, MD | November 12, 2015 * * * * *

"The install team was very professional. It was apparent that they took pride in the work and were very focused on the satisfaction of the homeowner." – Scott W., Centreville, VA | October 15, 2015 * * * * *

"A little skeptical regarding change of work crews between days at first but both were very professional and detailed. Found everyone very attentive to any questions my wife and I had and the work was exceptional." – Tom V., Spotsylvania, VA | August 27, 2015 * * * * *

"The crew was awesome, very kind and polite and professional. They kept things clean and neat and they really watched out for all of our dogs. I LOVE the new patio enclosure. I would highly recommend this company to others." – Sherry P., Gaithersburg, MD | August 7, 2015 * * * * *

"The workmen were very professional and skillful. They took their time and did a great job. We are very pleased with our new Patio Enclosure." – Ellen B., Alexandria, VA | July 31, 2015 * * * * *

"My husband and I love our new Patio Enclosures sunroom. It allows us to use our outdoor space all year long! This summer was the first one spent in the new room and it was so nice to be able to entertain friends without having to deal with the rain or bugs! This is by far our favorite room in the entire house. Thanks for making our dream a reality." – Lisa and Tom S., Chantilly, VA * * * * *

"Love my new porch enclosure! It's great to be able to enjoy the outdoors while being protected from the elements. Wish I would have done this sooner. Everyone at your company was professional, knowledgeable and courteous. Thank you!" – Brian H., Bethesda, MD * * * * *

Patio Enclosures is dedicated to making our products and services affordable for our customers. As a result, we try to present offers and specials throughout the year, so check back often or follow us on Facebook. Patio Enclosures Patio Enclosures 7345 Lockport Place Lorton, VA 22079 703-496-3019

​Schedule Your Free, In-Home Estimate Below

*Required Fields
*First Name  
*Last Name  
*Zip Code  
*Email Address    
I would like to receive exclusive offers and promotions via email.
*I Am Interested in the Following:

Briefly Describe Your Project