Garage Conversions — Wokingham RG40
Garage Conversion in Wokingham — Double Garage to Home Office & Utility Room
Location
Wokingham, RG40
Project Type
Garage Conversions
Duration
5 weeks on site
Scope
Integral double garage, insulated floor, walls, ceiling, new front elevation, electrics
The Brief
A 1984-built detached house in Wokingham, RG40. Integral double garage — linked to the house through a utility door, with two up-and-over doors to the front. The client worked from home full-time and needed a proper home office away from the main house. The brief was to convert the double garage into a home office of approximately 20 square metres, with a small utility area retained at the back for the washing machine and boiler.
Our Approach
Garage conversions of integral garages do not typically require planning permission. We confirmed this for this Wokingham property — not in a conservation area, the front elevation change (new wall and window replacing the garage doors) did not constitute a material change. Building regulations approval was required for the habitable conversion — covering insulation, ventilation, electrics, and fire separation from the main house. Wokingham Borough Council Building Control were notified.
The Build
The two up-and-over garage doors and their frames were removed. The new front wall was built in 100mm blockwork, rendered externally to match the existing house render finish. A 1200x1200mm casement window was installed to the front elevation, centred on the new wall. The existing concrete slab was prepared — DPM laid, 75mm Celotex GA4000 rigid insulation, and 75mm liquid screed poured and allowed to cure. Internal wall insulation: 50mm Celotex TB4000 on all external walls, moisture-resistant plasterboard on battens. Ceiling insulation: 100mm Celotex TB4000 between joists and 12.5mm plasterboard. Fire door to house: the existing utility door between garage and house was upgraded to a FD30S fire door with intumescent seal. First fix electrics: 9 double sockets distributed around the room, a 2-circuit LED downlighter layout, CAT6 data cables to four desk positions, and a dedicated circuit for the utility area.
Materials & Specification
Blockwork front wall: Lignacite 7N, K-rend render to match existing. Window: Rehau UPVC casement in white. Floor insulation: Celotex GA4000 75mm. Wall insulation: Celotex TB4000 50mm. Screed: Cemfloor liquid screed 75mm. Fire door: Premdor FD30S with intumescent strip.
The Result
The completed conversion delivered 19.5 square metres of heated, insulated home office space with 3 metres of utility area retained at the rear. The front elevation looks tidy — the render match was good and the window is in keeping with the existing house style. The building regulation Completion Certificate was issued at final inspection.
Project Photos
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Project FAQs
Does a garage conversion need planning permission?
Most integral garage conversions do not need planning permission. We confirmed this for this property at the initial visit — it was not in a conservation area and the front elevation change fell within what is permitted. Building regulations approval was required, which we managed throughout.
How much does a garage conversion cost?
This project was completed at £19,500. Costs for garage conversions typically range from £12,000 to £25,000 depending on size, specification, and whether a bathroom is included.
Can you retain part of the garage for storage?
Yes — in this case the client retained approximately 3 square metres at the rear of the garage for the washing machine, tumble dryer, and boiler. We partitioned this area off with a stud wall and door.
Why Choose Berkshire Bespoke Builders
- ✓Owner-managed — Pind Sahota is on site and managing your job personally
- ✓32 years on the tools — time-served builder, 25 years fitting bespoke kitchens
- ✓Fully insured — public liability and employer's liability on every project
- ✓Fixed-price written quotes — itemised by material and labour, no hidden extras
- ✓Building regs managed — we submit applications and attend all inspection stages
- ✓Based in Berkshire — Binfield, Bracknell RG42. No travel surcharges or delays
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