Extensions & alterations

Bungalow loft conversion: 29 Rowan Drive, Crowthorne

Crowthorne RG45

Loft conversion of a detached bungalow, creating a bedroom and shower room in the roof with rooflights, a new staircase from the hall and the existing hipped roof form kept.

Location
Crowthorne RG45
Project type
Extensions & alterations

What we prepared

  • Existing and proposed elevations
  • Existing and proposed floor and loft plans
  • Block plan, location plan and CIL form

A bungalow in Crowthorne

29 Rowan Drive in Crowthorne is a detached bungalow with a hipped roof and a conservatory to the rear. The owners wanted another bedroom and bathroom, and the roof space offered the room without extending outwards.

The loft

The proposed loft plan shows a bedroom and a shower room within the roof, lit by rooflights. A new stair rises from the hall, taking the place of part of the existing bathroom, which is reorganised on the ground floor plan. The existing and proposed ground floor plans show the change side by side.

Keeping the roof form

Rather than adding large dormers, the conversion keeps the existing hipped roof form, so the bungalow looks almost unchanged from the street. Rooflights on the rear and side slopes provide daylight, and the proposed elevations from all four sides show their positions.

Planning

We prepared existing and proposed elevations, existing and proposed floor and loft plans, a block plan, location plan and CIL form for Wokingham Borough Council.

Bungalow lofts

Bungalows often have more roof space than people expect. The key is the height at the centre of the roof and the position of the stair. We measure both early, which tells the owners quickly whether a loft conversion will work or whether roof raising would be needed.

Permitted development

Loft conversions in bungalows are often permitted development, provided the roof volume added stays within the limits and nothing projects beyond the front roof slope. Rooflights alone add very little volume, which makes this kind of scheme straightforward.

Stair position

The stair is usually the hardest part of a bungalow loft, because it takes floor space on the ground floor. Here it rises from the hall, with the bathroom reorganised around it so no bedroom is lost.

Crowthorne

Rowan Drive is in the Wokingham Borough part of Crowthorne. Our loft conversions page lists more examples.

Building regulations

After planning, the loft needs building regulations approval for the floor structure, insulation, fire safety and the stair.

Existing conservatory

The conservatory at the rear stays as it is, and the proposed elevations show it in relation to the new rooflights. The hipped roof means the rooflights on the side slopes are barely visible from the road.

Value

Adding a bedroom and shower room in the roof is one of the most cost effective ways to increase the size of a bungalow.

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