Loft Conversion Tools for Cambridge Homeowners
Free calculators and checkers — no registration, no sales calls. Click a tool to get started.
How Much Will Your Loft Conversion Cost?
Pick your options below for an instant guide price. No registration required.
- Full structural work
- Insulation & plasterboard
- Staircase installation
- Electrics & lighting
Guide price only. Free survey confirms your exact quote with no obligation.
Get My Free QuoteHow Much Value Will It Add to Your Home?
Loft conversions typically add 15–25% to Cambridge property values. Enter your home value to see your estimated uplift.
Based on typical Cambridge market uplifts. Actual value depends on property, location and finish.
Book Free SurveyDo You Need Planning Permission?
Answer 4 quick questions to find out if your loft conversion likely falls under Permitted Development.
Loft Conversion Types — Side by Side
Not sure which loft type suits your home? Compare cost, space, disruption and planning requirements.
| Type | Cost Range | Space Gained | Disruption | Planning Needed | Best For |
|---|---|---|---|---|---|
| Velux / Roof Light | £18k – £35k | Low – Medium | Low | Usually No | Storage + light, tight budgets |
| Dormer | £28k – £58k | Medium – High | Moderate | Usually No | Extra bedroom + en-suite |
| Hip-to-Gable | £34k – £68k | High | Moderate | Sometimes | Semi-detached, max floor space |
| Mansard | £42k – £85k | Very High | High | Usually Yes | Maximum space, premium finish |
| L-Shaped Dormer | £38k – £78k | Very High | Moderate | Sometimes | Victorian/Edwardian terraces |
Looking to visualise your loft layout?
Try the Room Configurator →Want to see what your room will actually look like?
Try the Loft Room Configurator →