Since the method of insulation is often the same, we will first go through several finishing techniques and their prices: Stucco or plaster facade . Costs • External solid wall insulation –The cost of insulated render/cladding is around £45 to £65 per square metre, depending on the selected product, installer, the condition of the exterior surface and its complexity. Have you completed a project recently? Since the whole house needs to be insulated using this method, minimum costs start around £2000. Cost of Silicone & Acrylic Render (Render only System), Silicone and acrylic rendering is the most expensive out of all the render only systems. Utility Fees not Included. Monocouche Render Prices/Coulor Render Cost Per Square Metre, Common brands are known as :Weber, K-Rend, Parex & Sto. External wall insulation cost per m2 The cost of external wall insulation is usually around £100 per square metre, so it can range from £8,000 for a small flat to £22,000 for a large detached house. Suitable for use on both retrofit and new build including NHBC supported designs. Range of Colours. Has a tendency to crack if the underlying structure moves. If your home has solid walls, you could save between £115 and £415 a year by installing solid wall insulation. the price is higher due to the fact a number of alterations need to be included, such as, extending window sills, extending guttering and also the installation of trims. Mixed on site, applied in two or three coats. Fully meshed render will cost around £2-£5 extra per square metre. Expect rendering to cost anywhere from $45 per square metre to $80 per square metre, depending on the type of render you choose, the size of your project, how much detail is required and if you require scaffolding Are you looking for a cost-effective way to give your home's exterior a new lease on life? New apartment blocks, new houses, existing house retrofits, extensions - we can work with you from planning right through to completion. For example, a smooth, cement render on a 3-bed detached house will cost roughly £3000 to £4000. This is because the price of materials are larger and also there is more work involved as each system requires 3 coats, even though it is only 6mm thick. The simplest way to get an idea of cost is to look at the type of house you have. A detached house will typically cost £15-20,000 to completely insulate, a semi detached house £8-10,000, whilst a mid terrace is probably £6-8,000. Plastering Costs. The. In terms of the materials, you are looking at about £25 per m2, scaffolding £10 per m2 and the rest is then down to the install cost. Popular system suppliers of silicone and acrylic rendering are: Jub (In our opinion one of the best), Krend, Weatheby, Parex, Sto. Home Cost Guides External wall insulation cost guide. Use our guide below to calculate how much you can expect to pay and use our search tool to find a professional. External Wall Insulation; will not only stop this valuable heat from being lost, but just as importantly, save you money. Diffutherm external wall insulation boards Click Here for Case Studies and prices of External Insulation of different House Types The true cost is the difference between installing a render only system and installing an . Solid wall insulation is difficult if you don’t know what you are doing – we have trained hundreds of installers over the years and the quality of the finish they can achieve really does vary greatly. €20,000.00 > Detached House in Raheny. Whereas K-rendering the same property will cost around £10,000. Silicone or acrylic thin-coat render (Silicone render is more expensive than acrylic render, by £1-2 per m 2) Silicone and acrylic renders are the newest and best-performing type of render. Sadly, solid wall insulation is much more expensive so this is what we’ll be focusing on here. Heating Bills were reduced by 52 %. Insulating externally involves fixing a layer of insulation to the outside of your wall using mechanical fixings and adhesive, before covering it with protective layers of render or cladding.