What about a headboard like this on a divan bed?

Superking Mimosa Headboard – Classic and Contemporary Headboards Mimosa Headboard in thatch house fabric - Headboards

Cushion idea

Mr Fox Cerise Knitted Cushion - Scion Bedding - A fun knitted cushion with the delightful Mr Fox motif. Available in three colours which perfectly complement the bedding collections. Shown here in the Cerise & Tangerine.

Roman Blinds

Orvieto - Prints, Weaves & Embroideries : Designer Fabrics & Wallcoverings, Upholstery Fabrics by Romo

These are the Pax wardrobes in white from Ikea.  I think that the solid doors would be better than the glass, but with the square panelling.

PAX Wardrobe - standard hinges - IKEA My alcove- would fit a triple, want it full height to ceiling though

Ikea Ektorp daybed to sit in dressing area

Browse our range of fabric chaise longues for your home. Find different fabric longues in different styles and colours.

White venetian blinds for the windows - these will also help to blackout the room.

COM: WIDE WOODEN VENETIAN BLINDS - We have a great selection of made to measure wooden blinds in a wide range of colours. Our venetian wooden blinds come in several different slat sizes ranging from

Roman Holiday by Fired Earth - Paint colour for walls.

Fired Earth have an exclusive collection of wall tiles, floor tiles, designer paints, kitchens and bathrooms.

Alternative blind idea

Suvi Blossom - Orvieto - Printed Linen : Designer Fabrics & Wallcoverings, Upholstery Fabrics Description A stylised floral inspired by a Scandinavian block print from the printed onto a beautifully textured linen giving a subtle charm.

Cushion fabric

A colourful narrow satin stripe woven with contrasting grounds to create a subtle relief is lively yet stylish on upholstery.