Loft Conversions in Swansea & South Wales

Planning, Architectural Drawings & Structural Calculations for Dormers, Hip-to-Gable & Velux Conversions

A loft conversion is one of the most effective ways to increase the space, value and usability of your home without extending its footprint. At CCS SOLUTIONS, we design practical, safe and compliant loft conversions across Swansea, Neath, Port Talbot, Llanelli, Bridgend, Cardiff and the wider South Wales region.

From planning and architectural drawings to structural calculations and Building Regulations, we provide a full service to take your loft conversion from idea → design → approval → to construction.

Call today to find out more.

Types of Loft Conversions We Design

➤ Dormer Loft Conversions
The most popular style, adding significant head height and floor space. Dormers are ideal for:

  • Large bedrooms
  • En-suite bathrooms
  • Home offices
  • Master suites

We design:

  • Flat roof dormers
  • Pitched roof dormers
  • L-shaped dormers
  • Rear dormers (most common)
  • Side dormers
  • Juliet balconies (where permitted)

➤ Mansard Loft Conversions
More complex, but create the maximum possible loft space.

Often used in:

  • Terraced houses
  • Townhouses
  • Period properties

We handle planning, structural design and full construction drawings.

➤ Loft Conversion + Rear Extension Combinations
We specialise in projects that combine:

  • Loft conversions
  • Rear ground-floor extensions
  • Internal reconfiguration

This allows homeowners to add significant square metres and improve layout flow.

➤ Hip-to-Gable Loft Conversions
Perfect for semi-detached and detached houses with sloping hip roofs.

This expands internal head height and allows for a larger dormer at the rear.

Ideal for:

  • Adding a spacious bedroom
  • Creating a master suite
  • Combining with a dormer extension

➤ Velux / Rooflight Conversions
The most cost-effective option, no large external structure required.

Suitable for:

  • Office spaces
  • Small bedrooms
  • Studies
  • Hobby rooms

We design the structural floor upgrades needed to turn the loft into a safe, habitable room.

✔ Planning Permission (If Required)
Loft conversions often fall under Permitted Development, but dormers or front alterations may need permission.

We handle:

  • Planning drawings
  • LDC applications
  • Full planning applications
  • Appeals
  • Pre-application submissions

✔ Building Regulations
We prepare:

  • Fire safety layouts
  • Means of escape
  • Insulation details
  • Structural design
  • Stair design
  • Head height compliance
  • Sound insulation requirements

✔ Construction Support
We remain available throughout the build to answer questions from your builder or Building Control.

What’s Included in Our Loft Conversion Service?

✔ Measured Survey
Accurate measurements of your existing loft and roof.

✔ Loft Conversion Architectural Plans
Full set of planning and Building Regulations drawings.

✔ Structural Calculations
We design:

  • New loft floor structure
  • Steel beams
  • Ridge beams
  • Purlins
  • Dormer structures
  • Stair opening support
  • Load paths
  • Padstones

Does a Loft Conversion Need Planning Permission?

Many loft conversions do not require planning permission.
Under Permitted Development, you can often build:

  • Rear dormers
  • Hip-to-gable conversions
  • Velux conversions

However, planning permission is required if:

  • You live in a conservation area
  • You live in a national park / AONB
  • You want a front dormer
  • The dormer exceeds PD size limits
  • Materials do not match existing
  • The roof height will be increased

We assess this for you and advise the best route.

Building Regulations for Loft Conversions

Building Regs approval is always required because loft conversions affect:

  • Fire safety
  • Structure
  • Insulation
  • Escape routes
  • Load-bearing elements
  • Thermal performance

We produce all plans and calculations required for Building Control approval.

Our Loft Conversion Design Process

  • Initial Consultation
    We discuss your goals, space requirements and feasibility.

  • Loft Survey & Measurements
    We assess head height, roof structure and load capacity.

  • Architectural Design
    We produce layout options and final planning drawings.

  • Structural Design
    We calculate:

  • Joist size

  • Steel beams

  • Load paths

  • Ridge supports

  • Dormer framework

  • Planning or LDC Submission
    We submit and manage the entire application.

  • Building Regulations Package
    We prepare all construction details.

  • Construction Support
    We support you and your builder throughout the project.

Why Choose CCS for Your Loft Conversion?

We produce all plans and calculations required for Building Control approval.

Why Choose CCS for Your Loft Conversion?

  • Structural engineer + architectural designer in one service
  • 200+ lofts, extensions and conversions designed
  • Fast turnaround
  • High approval rate
  • Builder-friendly drawings
  • Strong understanding of local planning authorities
  • Full package: planning, drawings, structural calculations
  • Transparent fixed fees
  • Local expertise in Swansea and South Wales

Our loft designs are practical, safe and optimised to maximise head height, space and light.

Areas We Cover

We provide loft conversion design services across:

  • Swansea
  • Neath
  • Port Talbot
  • Llanelli
  • Bridgend
  • Cardiff
  • Vale of Glamorgan
  • RCT
  • Merthyr
  • Carmarthen

Common Loft Conversion Features We Design

  • Dormer windows
  • Juliet balconies
  • En-suite bathrooms
  • Staircases
  • Fire doors
  • Sprinkler alternatives
  • Roof strengthening
  • Skylights / rooflights
  • Internal insulation upgrades
  • Bespoke storage

Every design is tailored to your home and lifestyle.

Start Your Loft Conversion Today

Looking to add a new bedroom, office or master suite? We can design your loft conversion from start to finish.