Loft Conversion Bearsden | Dormer & Velux Specialists G61

Bearsden Housing Stock — Why It Suits Loft Conversion

• Steep roof pitches: 1920s–40s sandstone semis in Bearsden frequently have pitches of 40–50°, giving exceptional natural head height — often 2.5–3.0m from the floor joist to the ridge. This can make a Velux conversion viable without the cost of a dormer.
• Traditional cut roofs: Pre-war properties almost universally have traditional cut-and-pitch roof construction rather than modern trussed rafters, making structural conversion far simpler.
• Property values: Bearsden house prices regularly reach £400,000–£700,000+. A well-executed loft bedroom with en suite is a strong investment.
• East Dunbartonshire Council: Bearsden falls under East Dunbartonshire Council for planning and building standards. Key point: East Dunbartonshire has several conservation areas including Bearsden Cross — always checked at survey stage.

Loft Conversion Types in Bearsden

Velux / Rooflight — from £15,000

With Bearsden’s steep pitches, a Velux conversion is often the best-value option — no structural dormer required. VELUX roof windows are fitted into the existing slope, insulation and plasterboard installed, and a new staircase added. Ideal for a home office or single bedroom. No planning permission required in most cases. Build time: 4–6 weeks.

Rear Dormer — from £26,000

Adding a rear dormer to a Bearsden semi or detached home creates a full double bedroom with en suite — the most requested conversion in G61. Most rear dormers qualify as permitted development under Class 1D (Scotland). Must not project above the existing ridge height or exceed half the width of the roof plane. Build time: 6–10 weeks.

Hip-to-Gable — from £38,000

Many Bearsden detached bungalows and inter-war semis have hipped roofs. A hip-to-gable conversion — changing the sloping gable end to a vertical wall — creates the maximum possible loft space and is often combined with a rear dormer. Note: this change to the external roof shape typically requires planning permission from East Dunbartonshire Council.

Cost Guide — Bearsden Loft Conversions 2025–26

Type	Price Range (inc. VAT)	Build Time
Velux Conversion	£15,000–£22,000	4–6 weeks
Rear Dormer	£26,000–£46,000	6–10 weeks
Hip-to-Gable	£38,000–£62,000	10–13 weeks
+ En Suite	+£5,000–£12,000	+1–2 weeks

All prices include VAT, East Dunbartonshire building warrant and structural engineer calculations.

Approvals — East Dunbartonshire Council

Bearsden is served by East Dunbartonshire Council Building Standards (not Glasgow City Council). Scotland’s two-track approval system applies:

• Planning permission: Rear dormers on most Bearsden houses qualify as permitted development under Class 1D — no application needed. However, Bearsden Cross conservation area removes these rights for properties within it — always checked at survey. Hip-to-gable and front dormers need full planning permission.
• Building warrant: Always required for structural loft work. We submit to East Dunbartonshire Building Standards and obtain the completion certificate on your behalf.

What’s Included

• Building warrant application to East Dunbartonshire Building Standards
• Structural engineer calculations
• New floor joists and subfloor
• Dormer or rooflight structure, weathertight
• Rigid PIR insulation (Celotex/Kingspan) and acoustic mineral wool
• Vapour barrier, plasterboard and full skim
• New staircase
• Full electrics (sockets, lighting, smoke detection)
• Completion certificate

FAQ — Loft Conversions in Bearsden