West Yorkshire's largest domestic soundproofing installer
Stop Freezing and Hearing Every Footstep Above You.
We'll transform your home into a warm, quiet sanctuary — without scaffolding, without mess, and without the sky-high price tag you're dreading.
SM Energy Group is West Yorkshire's largest domestic soundproofing and insulation installer. We fit internal wall insulation, loft insulation, raised loft boarding and acoustic soundproofing systems — all from inside your home, so your brickwork stays untouched and your life stays normal.
- 5★ Google rated
- · Free on-site survey
- · No deposit
- · Fixed-price quotes
- · Family-run, Rothwell LS26
- 500+
- Yorkshire homes sorted
- 5★
- Google rating — every time
- 2 Weeks
- Aim to book works after your go-ahead
You're Burning Money and Losing Sleep — Every Single Night.
If your walls are cold to the touch, your heating bills make you wince, or you can hear your neighbour's television word-for-word, you're not alone. Thousands of Yorkshire homeowners put up with it because they think fixing it means weeks of disruption, scaffolding, and a bill that'll make their eyes water.
£400+ a year thrown away
Solid walls leak heat like a sieve. You're literally paying to warm the pavement outside while your family sits in jumpers indoors.
Zero peace and quiet
Impact noise from footsteps. Airborne noise from voices, TVs and music. You've tried earplugs. You've complained. Nothing changes until the structure changes.
Builders who don't show up
You've had quotes that vanish into thin air, 'specialists' who've never seen a solid stone wall, and cowboys who left more mess than they fixed.
How it works
Three simple steps. Zero hassle. Zero confusion.
We've stripped out every bit of fluff so you know exactly what happens — and when — from the moment you get in touch.
- 01
Book Your Free Home Survey
We visit your property, listen to what you want, measure up, and take photos. No pressure, no sales tactics — just honest advice and a clear plan. Takes 30 minutes.
- 02
Get Your Fixed Written Quote
Within 48 hours you'll receive a fully itemised quotation with materials spec, install schedule, and guaranteed price. What you see is what you pay. No hidden extras.
- 03
We Install in a Day — Guaranteed
Our own SafeContractor-approved team arrives on time, works clean and tidy, and hands over your signed-off installation with insurance-backed paperwork. Most jobs complete in a single day.
What we install
Four ways we fix your home. One team you can trust.
Every installation is surveyed, specified and signed off by our own family team — no subcontracted handovers, no surprises.
Internal Wall Insulation (IWI)
Warm up solid-wall properties from the inside — lower bills, no scaffolding, no exterior changes.
Learn moreLoft Insulation
Top-ups and full installs to current building-regs depth — the fastest payback in the home.
Learn moreLoft Boarding & Storage
Raised loft legs protect insulation while unlocking valuable storage above your ceilings.
Learn moreSoundproofing & Noise Reduction
Acoustic walls, ceilings and floors that tame noisy neighbours and traffic — guaranteed quieter.
Learn more
Know the price before we visit
Get an honest ballpark in 60 seconds.
Drop in your rough measurements and we'll show you the realistic price envelope — the same rates we charge real customers across Leeds & Wakefield. No guesswork. No commitment.
- · Itemised written quote within 48 hours of survey
- · Free on-site survey — no deposit, no obligation
- · Insurance-backed guarantee on every install
Why homeowners choose us
Three reasons we're the last installer you'll ever need to call.
SM Energy Group handles every install. Need an EPC or retrofit assessment first? Our sister company SM Energy Solutions covers that side of the work — same family, same Rothwell HQ.
We're the ones on the tools — not a middleman
Family-run from Rothwell (LS26). We answer our own phones, carry out our own surveys, and install every job with our own SafeContractor-approved team. No subcontractors. No 'passing the buck' when something needs tweaking.
Fixed quote means fixed quote — zero hidden extras
You get a written, itemised quotation before we lift a finger. The price you see is the price you pay. Every install comes with an insurance-backed guarantee and full Building Regulations sign-off, included as standard.
We specialise in the tricky stuff others walk away from
Listed buildings. Conservation areas. Solid stone walls. Acoustic separation between flats. These aren't problems for us — they're our bread and butter. If you've been told 'it can't be done,' talk to us first.
Accreditations & Compliance
Credentials you can verify. Workmanship you can trust.
Family-run, fully accredited, and audited against the standards that matter for safe, compliant, and long-lasting installations.
Elmhurst Accredited
Certified expertise in energy assessment and government-standard compliance.
SafeContractor Approved
Independently audited for strict health, safety and on-site professional standards.
UK Building Regulations
All IWI, loft insulation and structural boarding works strictly comply with the latest UK Building Regulations (including Part L for conservation of fuel and power).
Insurance-Backed Guarantees
Every physical installation is fully insured and built to last — peace of mind, in writing.
Recent successful projects
Real Yorkshire homes. Real comfort gains.
A snapshot of recent installations across Yorkshire — every one signed off to UK Building Regulations and backed by an insurance-backed guarantee.
Loft Insulation & Boarding
- 6 photos
Brighouse, HD6
Loft insulation top-up to 300mm + raised boarding system
Full mineral wool top-up to 300mm with a raised boarding system installed over the joists — keeps the insulation uncompressed and adds usable storage above.
Soundproofing
- 4 photos
Roundhay, LS17
Soundproofing to office and bedroom walls
High-mass acoustic board system installed over party walls in a home office and bedroom — joints scrim-taped ready for skim, dramatically reducing airborne noise transfer between rooms.
- 4 photos
Rothwell, LS26 — Styebank Lane
Bedroom 1 — independent stud wall with acoustic mineral wool
New independent timber stud frame built off the party wall, deep-filled with high-density acoustic mineral wool and overboarded with soundproof acoustic plasterboard. Joints scrim-taped ready for skim.
- 4 photos
Rothwell, LS26 — Styebank Lane
Bedroom 2 — full-height acoustic build-up
Full-height stud, mineral wool and acoustic board build-up to the second bedroom party wall — sockets re-set proud of the new boards and joints taped, dramatically cutting airborne noise from next door.
- 5 photos
Morley, LS27 — Newlands
Suspended acoustic ceiling soundproofing
Independent suspended ceiling installed below the existing one — high-density acoustic mineral wool slabs held in a metal furring grid, then overboarded and skimmed to a clean flush finish. Massively reduces impact and airborne noise from the flat above.
Internal Wall Insulation (IWI)
- 10 photos
Roundhay, LS17 — Wyncliffe Court
Internal wall insulation to cold external walls
Full IWI build-up to cold external walls — timber battens fixed off the masonry, JIKO Enertherm PIR insulation boards cut tight between studs, overboarded with plasterboard and finished with a fresh plaster skim. Cuts heat loss through the walls dramatically and eliminates cold-wall condensation.
- 2 photos
Bradford, BD4
Bedroom eaves — kitchen extension roof insulated with PIR + VCL foil tape
Sloped roof above the kitchen extension, accessed through the bedroom eaves cupboard, fully insulated between rafters with foil-faced PIR boards. Every board edge and seam sealed with VCL foil tape to lock in the vapour control layer, stop draughts and prevent warm moist air reaching the cold roof deck.
- 5 photos
Far Headingley, LS16
IWI to rafters of garage extension with tall ceilings + floor cavity soundproofing
Currently underway — JIKO Enertherm PIR boards cut tight between every rafter of this tall vaulted extension above the garage, with SuperFOIL multifoil overlaid and taped at every seam to lock in the vapour control layer and stop heat loss through the roof. Plasterboard overboarding then taped ready for skim. Acoustic soundproofing to the floor cavity between ground and first floor commences today (Fri 19 June 2026).
See every install as it happens
Follow @smenergygroup on Instagram
We post fresh photos and short videos from every job — soundproofing, IWI, loft insulation and boarding across West Yorkshire. The fastest way to see what we actually do, day-in day-out.
View our InstagramNot Sure Yet? That's Fine. The Survey is 100% Free.
We'll visit your home, measure up, talk you through every option, and email a fully itemised fixed quote — usually within 48 hours. No deposit required. No obligation. No pushy sales tactics. If you're not happy with the quote, you walk away with zero cost and zero hard feelings.