Boarding & Storage

Loft Boarding & Insulation

Proper loft flooring and insulation for storage use — safe, stable boards above insulation with LED lighting. Compare up to 3 free quotes — no obligation.

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Loft Boarding & Insulation

A boarded and insulated loft provides safe, accessible storage without compromising the thermal performance of the home. Proper loft boarding raises the boards above the existing insulation on leg systems — avoiding the common problem of compressing insulation and creating cold bridges that reduce energy efficiency.

This is a far more affordable project than a full loft conversion and can be completed in a day or two. Getting 3 quotes helps you compare materials, board quality and whether the job includes loft leg systems, hatch replacement and lighting.

What’s involved

  • Assessment of existing insulation depth and selection of appropriate raised leg height
  • Installation of raised loft leg system above existing insulation to prevent compression
  • Laying of 18mm chipboard or ThermaLite boards to create a stable walking surface
  • Fitting or upgrading the loft hatch and loft ladder to allow safe access
  • Installation of LED loft lights with pull-cord or switch for safe illumination

Typical costs

Typical cost: basic loft boarding (15–20m²) £600–£1,500 including leg system. Full loft boarding with hatch and loft ladder £1,500–£3,000.

Prices vary by region, subfloor condition and product choice. Compare 3 quotes for the most accurate price for your specific job.

FAQs — Loft Boarding & Insulation

Why can't I just lay boards directly on the joists?
Laying boards directly on joists compresses the insulation beneath, significantly reducing its thermal performance and potentially creating cold spots that lead to condensation. A raised leg system lifts the boards above the insulation and is the correct approach.
How much weight can a boarded loft hold?
Standard domestic loft joists are typically designed for storage loads of 25kg/m². Avoid overloading lofts with very heavy items. Your boarding specialist will advise if any joist strengthening is needed before boarding.
Do I need planning permission for loft boarding?
No — loft boarding for storage does not require planning permission or building regulations approval.
Can I have loft boarding if I plan to convert the loft later?
Yes — a temporary boarding solution works fine for storage. When you come to convert the loft, the boards are removed as part of the conversion works. The boarding cost is not wasted.
How long does loft boarding take?
A standard loft boarding job (15–20m² with hatch and ladder) can typically be completed in one day by an experienced team.
What customers say
★★★★★ 4.9 / 5 from verified customers
★★★★★

“We had a rear dormer conversion done last summer — extra bedroom and en-suite for our teenage daughter. Got three quotes through this site, saved around £4,000 compared to the first firm we spoke to. The specialist handled planning permission and building regs start to finish. Highly recommend.”

Sarah M. Surrey
★★★★★

“Hip-to-gable conversion on our 1930s semi. I was nervous about the planning application but the specialist I found here had done dozens in our street and knew exactly what to submit. Project came in on time at 10 weeks. The new master bedroom is brilliant.”

James R. Leeds
★★★★★

“L-shaped dormer on our Victorian terrace — created two rooms and a bathroom from what was a completely unusable loft. The comparison process gave me confidence I was paying a fair price. Building control sign-off came through with no issues. Absolutely transformed the house.”

Helen T. Manchester
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