If your basement extension requires excavation to create more room or if you are making changes to the external appearance of the property by adding a light well for example, then you are likely to need planning permission.
What R Value Do I Need For Basement Walls. Even structurally sound basement walls can absorb water from the soil and transfer it to the basement interior, making the walls feel if entire wall surfaces are wet, however, you'll need to do further sleuthing. Wet cellulose is a sticky cellulose product sprayed into the stud walls.
Home Insulation: Attic, Wall & Basement Installation Tips ... from i.ytimg.com
Since most basements are inherently moist, you need to keep all untreated wood away from concrete surfaces. These cannot be covered one option is to adhere rigid foam insulation to the concrete walls and then cover the insulation with drywall. Do you tape between the foam board panels to seal it?
The traditional r13 pink fiberglass available at the wet cellulose pros:
What r value should be used? Is rigid pink foam best for basements? A finished basement not only adds extra square footage to enjoy, it boosts the resale value. Also, basements flood, that's just a part of life.
