Cost to convert a box room into a walk-in wardrobe

Question

We want to turn the small bedroom next to the master into a dressing room with built-in rails and shelving. How much does this kind of fit-out typically cost?

kelvin · Answer

A fully custom built walk in wardrobes varies can be from £1000 to £5000

Sprasim · Answer

Converting a small box room into a walk-in closet in the UK typically costs between £1,500 and £5,000, depending on whether you choose a DIY modular system or a fully bespoke professional installation.

Below is a breakdown of the typical costs for a standard 2026 conversion:

1. Project Tiers

• Budget (DIY): £800 – £2,000
Using "off-the-shelf" modular systems (like IKEA PAX or B&Q Atomia). This includes basic shelving, hanging rails, and perhaps a fresh coat of paint. You save significantly on labor but spend more time on assembly.

• Mid-Range (Professional): £2,000 – £5,000
Involves hiring a local joiner or using a "made-to-measure" service. This usually includes custom-sized units that fit the room's exact dimensions, including sloped ceilings or awkward corners, often using MDF or high-quality laminate.

• Premium (Bespoke): £6,000 – £12,000+
Full-service luxury installation from national brands (e.g., Sharps, Hammonds). This includes high-end finishes, integrated LED lighting, soft-close drawers, island units, and professional design/installation.

2. Cost Breakdown of Key Elements
Component Estimated Cost (UK) Notes 
Wardrobe Units £500 – £800 per linear metre Bespoke joinery/fitted wardrobes. 
Flooring £200 – £500 Based on a typical box room (4–6 sqm) for mid-range laminate or carpet. 
Lighting £150 – £400 Adding spotlights or LED strip lighting inside units. 
Decorating £200 – £400 Repainting walls and ceiling before units are fitted. 
Labor (Carpenter) £200 – £400 per day Rates are higher in London and the South East.

3. Value Impact

Converting a box room can add value if it is an "extra" room (e.g., a 4th bedroom in a 3-bed house). However, if you are removing the only spare bedroom in a small 2-bedroom home, it could potentially decrease the property's market value by reducing its "bedroom count." It is often recommended to use modular systems that can be removed if you decide to sell the house later.

Are you planning to keep any existing features like the original radiator or window, or will this be a complete "strip-back" renovation?

Cost to convert a box room into a walk-in wardrobe

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