{"id":1038,"date":"2016-09-18T12:55:51","date_gmt":"2016-09-18T17:55:51","guid":{"rendered":"http:\/\/homeadditionplus.com\/dev\/?page_id=1038"},"modified":"2018-11-20T15:05:07","modified_gmt":"2018-11-20T20:05:07","slug":"how-to-calculate-room-addition-costs","status":"publish","type":"page","link":"https:\/\/homeadditionplus.com\/dev\/home_articles\/how-to-calculate-room-addition-costs\/","title":{"rendered":"How to Calculate Room Addition Costs"},"content":{"rendered":"<h4><span style=\"color: #008000;\"><strong>Key Factors to Consider when Estimating Room Addition Costs<\/strong><\/span><\/h4>\n<p>By Mark J. Donovan<br \/>\n<script type=\"text\/javascript\"><!-- google_ad_client = \"pub-3988490936633155\"; \/* Homepage_Home_Improvement_468x15_ATF, created 8\/13\/10 *\/ google_ad_slot = \"6539705898\"; google_ad_width = 468; google_ad_height = 15; \/\/-->\n<\/script><br \/>\n<script type=\"text\/javascript\" src=\"http:\/\/pagead2.googlesyndication.com\/pagead\/show_ads.js\">\n<\/script><\/p>\n<div class=\"KonaBody\">\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"width: 50%;\" width=\"50%\">\n<p align=\"center\"><script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- New_300x250_051317 --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 300px; height: 250px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"4202793463\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<\/td>\n<td style=\"width: 3%;\" width=\"3%\"><\/td>\n<td style=\"text-align: left; width: 47%;\" width=\"47%\"><span style=\"font-size: 14pt;\">Calculating room addition costs can be divided down into two main categories, material costs and labor costs. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\"><strong>Material costs<\/strong> &#8211; include everything from concrete for the foundation walls to interior trim moulding, and everything in between. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\"><strong>Labor costs<\/strong> &#8211; are associated with any people you may hire to build your room addition, such as a general contractor or subcontractors.\u00a0<\/span><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt;\">Estimate Room Addition Costs First &#8211; Before Anything Else<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">No matter the size of your construction project, calculating room addition costs up front is imperative for determining a budget, pulling building permits, and getting financing if required.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Getting accurate room addition costs estimates is also helpful for determining where to budget money on the project, e.g. in subcontracting more of the work out, or in buying higher-end building materials. On average expect to pay anywhere from $80 to $130 per square foot for room addition costs. The cost per square foot will vary with your local real estate market and contractor labor costs, as well as building materials used.<\/span><\/p>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt;\">Don&#8217;t Let Kitchen and Plumbing Fixtures Surprise You<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Kitchen and plumbing fixtures are some of the higher ticket items associated with calculating room addition costs. If your room addition includes a kitchen or bathroom expect to pay a higher cost per square foot for the room addition costs.<\/span><br \/>\n<script async src=\"\/\/pagead2.googlesyndication.com\/pagead\/js\/adsbygoogle.js\"><\/script><br \/>\n<!-- 468x60_below_Author_Name --><br \/>\n<ins class=\"adsbygoogle\" style=\"display: inline-block; width: 468px; height: 60px;\" data-ad-client=\"ca-pub-3988490936633155\" data-ad-slot=\"5936342260\"><\/ins><br \/>\n<script>\n(adsbygoogle = window.adsbygoogle || []).push({});\n<\/script><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" width=\"50%\"><strong><span style=\"font-size: 14pt;\">Room Addition Costs Per Square Foot are Higher than New Home Construction<\/span><\/strong><\/p>\n<p><span style=\"font-size: 14pt;\">Keep in mind that on a cost per square foot basis that room addition projects cost more than if the living space was constructed originally with the home. This is due for a number of reasons. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">First there is the simple economy of scale factor. When building a large home overhead costs of construction are amortized over a large square foot area. <\/span><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"47%\"><a href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-full wp-image-381 aligncenter\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Home_Addition_Bid_Sheets_Ad_250x250.jpg\" alt=\"Home Addition Bid Sheets\" width=\"250\" height=\"250\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Home_Addition_Bid_Sheets_Ad_250x250.jpg 250w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Home_Addition_Bid_Sheets_Ad_250x250-150x150.jpg 150w\" sizes=\"auto, (max-width: 250px) 100vw, 250px\" \/><\/a><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt;\">Demolition<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Secondly, building a room addition involves some demolition and reconstruction of the existing home, such as removing siding from the existing home and cutting into existing roof lines.<\/span><\/p>\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt;\">Tying in the Old with the New<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">In addition, new electrical and plumbing requirements of the room addition have to be retrofitted into the home\u2019s existing electrical and plumbing systems. Lastly, if there have been building code changes that have occurred since the home was originally constructed, the building of the room addition may require you to update the rest of the home to the new building codes, e.g. the installation of a fire sprinkler system or new type of circuit breaker. Your local building inspector will make you aware of any of these types of possibilities when applying for your room addition building permit.<\/span><\/p>\n<table style=\"width: 100%;\">\n<tbody>\n<tr>\n<td style=\"text-align: left;\" width=\"50%\"><span style=\"font-size: 14pt;\"><strong>Have Architecture Plans or Detailed Sketches of Home Addition<\/strong><\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Key to calculating room addition costs accurately is having dimensional information for every aspect of the room addition. <\/span><\/p>\n<p><span style=\"font-size: 14pt;\">Dimensional information includes not only the square foot size of the addition, but also the length, width, and height of walls, ceilings, cabinets etc. <\/span><\/td>\n<td width=\"3%\"><\/td>\n<td width=\"47%\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-1039 aligncenter\" src=\"http:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Room_Addition-300x225.jpg\" alt=\"How to calculate room addition costs\" width=\"300\" height=\"225\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Room_Addition-300x225.jpg 300w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2016\/09\/Room_Addition.jpg 640w\" sizes=\"auto, (max-width: 300px) 100vw, 300px\" \/><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">You\u2019ll also need to know quantities, types and sizes of various items. For example, how many light fixtures do you plan to include in your room addition and of what size, type and quality.\u00a0<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Every item that you plan to include in the room addition needs to be accounted for and thought out when calculating room addition costs.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><strong>Don&#8217;t forget the Dumpster<\/strong><\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Besides material and labor costs, there are other room addition costs to be aware of. Often you\u2019ll need to rent a dumpster during the construction of the room addition. There are also building permit fees associated with building a room addition. You may also require architectural fees and construction liability \/ material theft insurance fees.<\/span><\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"2\" cellpadding=\"2\">\n<tbody>\n<tr>\n<td width=\"50%\">\n<p style=\"text-align: left;\"><strong><span style=\"font-size: 14pt;\">Increased Property Taxes &#8211; The Grim Reaper for all Home Addition Projects<\/span><\/strong><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Lastly, you\u2019ll want to include in your room addition cost calculations estimates for higher property tax costs, mortgage payments, and home operating costs.<\/span><\/p>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Once you\u2019ve calculated room addition costs for the construction and overall operating costs for the new living space you can then decide if building a room addition is something you can afford and want to proceed with.\u00a0<\/span><\/p>\n<\/td>\n<td width=\"50%\">\n<div align=\"center\">\n<div style=\"background: url('http:\/\/homeadditionplus.com\/images\/Home_Addition_form_Ad_Small_rev1.jpg') no-repeat top; margin-left: 10px; margin-bottom: 0px; margin-top: 0px; height: 190px; width: 275px;\">\n<form action=\"http:\/\/homeadditionplus.com\/UHI-info\/Additions.htm#form\" method=\"get\"><input style=\"float: left; width: 80px; margin: 110px -255px 50px 165px;\" name=\"PC\" size=\"20\" type=\"text\" \/><br \/>\n<input style=\"float: right; background: url('http:\/\/homeadditionplus.com\/images\/homeadditionplus-btn-next.gif'); height: 34px; width: 91px; border: 0px solid #000000; ; margin-left: 0; margin-right: 25px; margin-top: 130px; margin-bottom: 0px;\" type=\"submit\" value=\"\" \/><\/form>\n<\/div>\n<\/div>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">In general, building a room addition is a much cheaper endeavor than selling your existing home and buying a larger one.<\/span><\/p>\n<\/div>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\"><span style=\"color: #008000;\"><b>For more help on building a home addition<\/b><\/span>, see HomeAdditionPlus.com&#8217;s<b> <a href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/\"><span style=\"color: #0000ff;\">Home Addition Bid Sheets<\/span><\/a><span lang=\"EN\">. <\/span><\/b>Our\u00a0<b><a href=\"http:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/\"><span style=\"color: #0000ff;\">Home Addition Bid Sheets<\/span><\/a> <\/b>provide you with the knowledge and information on how to plan a home building project, and what to look for when hiring contractors. They also include detailed cost breakdown tables and spreadsheets for estimating your own new home construction building costs.<\/span><\/p>\n<p><a href=\"https:\/\/homeadditionplus.com\/dev\/home_addition_bid_sheets\/room-addition-bid-sheet\/\"><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-11872 aligncenter\" src=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/Room-Addition-Bid-Sheet-218x300.jpg\" alt=\"Room Addition Bid Sheet\" width=\"218\" height=\"300\" srcset=\"https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/Room-Addition-Bid-Sheet-218x300.jpg 218w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/Room-Addition-Bid-Sheet-768x1056.jpg 768w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/Room-Addition-Bid-Sheet-745x1024.jpg 745w, https:\/\/homeadditionplus.com\/dev\/wp-content\/uploads\/2017\/04\/Room-Addition-Bid-Sheet.jpg 1200w\" sizes=\"auto, (max-width: 218px) 100vw, 218px\" \/><\/a><\/p>\n<h3 style=\"text-align: left;\" align=\"left\"><span style=\"color: #008000; font-size: 14pt;\"><b>Related\u00a0Information on Calculating Room Addition Costs<\/b><\/span><\/h3>\n<ul style=\"text-align: left;\">\n<li><span style=\"color: #0000ff; font-size: 14pt;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home_articles\/building-mother-in-law-room-addition\/\">Building a Mother In Law Room Addition<\/a><\/b><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home_articles\/average-home-addition-cost\/\">Average Home Addition Costs<\/a><\/b><\/span><\/li>\n<li><span style=\"font-size: 14pt; color: #0000ff;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/garages\/adding-a-room-over-the-garage\/\">Adding a Room over the Garage<\/a><\/b><\/span><\/li>\n<li><span style=\"color: #0000ff; font-size: 14pt;\"><b><a style=\"color: #0000ff;\" href=\"http:\/\/homeadditionplus.com\/dev\/home_articles\/custom-home-construction-costs\/\">Custom Home Construction Costs<\/a><\/b><\/span><\/li>\n<\/ul>\n<hr \/>\n<h3 style=\"text-align: left;\"><span style=\"color: #008000; font-size: 14pt;\">Free Home Addition Price Quotes with No Obligation!<\/span><\/h3>\n<p style=\"text-align: left;\"><span style=\"font-size: 14pt;\">Fill out our 3-5 minute quick and easy form, and receive a free price quote on a house addition from one of our prescreened and licensed home addition contractors. This process is free and there is no obligation to continue once you receive your house addition price estimate.<\/span><\/p>\n<p><iframe loading=\"lazy\" src=\"https:\/\/www.inforequests.com\/pub5x\/\/?allowRefNet=N&amp;layout=H&amp;PublisherSubID=Room_Addition_Bottom&amp;url=http:\/\/g.gaesy.com\/cgi\/r?;n=203;c=622397;s=4383;x=7936;f=201006161516140;u=j;z=TIMESTAMP;&amp;servicescheckbox=ROOM_ADDITIONS&amp;submit=submit\" width=\"660\" height=\"560\" frameborder=\"0\" scrolling=\"no\" data-mce-fragment=\"1\"><\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Key Factors to Consider when Estimating Room Addition Costs By Mark J. Donovan Calculating room addition costs can be divided down into two main categories, material costs and labor costs. Material costs &#8211; include everything from concrete for the foundation walls to interior trim moulding, and everything in between. Labor costs &#8211; are associated with any people you may hire to build your room addition, such as a general contractor or subcontractors.\u00a0 Estimate Room Addition Costs First &#8211; Before Anything Else No matter the size of your construction project, calculating&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":315,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-1038","page","type-page","status-publish","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.3 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How to Calculate Room Addition Costs - HomeAdditionPlus.com<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/homeadditionplus.com\/dev\/home_articles\/how-to-calculate-room-addition-costs\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Calculate Room Addition Costs - HomeAdditionPlus.com\" \/>\n<meta property=\"og:description\" content=\"Key Factors to Consider when Estimating Room Addition Costs By Mark J. Donovan Calculating room addition costs can be divided down into two main categories, material costs and labor costs. Material costs &#8211; include everything from concrete for the foundation walls to interior trim moulding, and everything in between. 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Donovan Calculating room addition costs can be divided down into two main categories, material costs and labor costs. Material costs &#8211; include everything from concrete for the foundation walls to interior trim moulding, and everything in between. 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