Decks and Porches Cost in Londonderry, NH in 2026
Most Decks and Porches projects in Londonderry, NH cost between $7,500 and $26,000. The typical price is $14,000.
Labour and materials in Londonderry run about 3% above the national average. These figures are adjusted for that, so they are not the national average you will find elsewhere.
What drives the price
- Pressure-treated pine versus composite versus hardwood
- Height off the ground and stair count
- Railing material
- Footing depth required by frost line
Usually included
- Footings, framing and decking
- Railings and stairs
- Fasteners and flashing at the ledger
Usually extra
- Permits
- Under-deck drainage
- Built-in seating or pergola
Unit prices in Londonderry, NH
| Quality tier | Cost per sq ft |
|---|---|
| Budget | $26 |
| Mid-range | $46 |
| High-end | $87 |
Deck builders in Londonderry, NH
Businesses listed on Google near Londonderry, NH. We are not affiliated with them and do not vet them — always confirm licensing and insurance before hiring.
Professional Building Services By PMC
5.0(154 reviews)
135 Rockingham Rd Ste F, Windham, NH 03087
Villandry Home & Outdoor Living
4.9(38 reviews)
165 Baboosic Lake Rd, Merrimack, NH 03054
Dynamic Deck Solutions
4.8(36 reviews)
93 Plaistow Rd, Plaistow, NH 03865
DeckPros LLC
4.9(29 reviews)
406 Collettes Grove Rd, Derry, NH 03038
New England Deck Builders
5.0(13 reviews)
1 Main St, Amherst, NH 03031
Greenwood Deck Builders of Manchester
5.0(1 reviews)
1791 Bodwell Rd #10, Manchester, NH 03109