How Much Does a Flat Renovation Cost in London?

The cost of a flat renovation in London is £85,000 for a complete transformation of a two-bedroom property. Of course, the extent of your renovation work, such as whether extensive electrical work is needed, whether you're in a conservation area, or whether you're near listed buildings, as well as average labour costs, will influence the total cost.

As a homeowner in London or the South East, your flat, whether traditional or new build, deserves to be designed and built to your dream specifications. Without clear pricing, budgeting for home renovation costs can feel a bit like a minefield. This cost guide is here to give you an effective way to manage the renovation process so you're fully prepared for the extensive building work and mindful of additional costs well ahead of time. Getting the numbers right from the start is the best way to manage your renovation plans well.

Cost Breakdown for:

• One Bedroom
• Two Bedroom
• Three Bedroom
• Four Bedroom
• Five Bedroom
• Luxury Renovation

Luxury, high-end flat renovations in London often involve a full renovation, exploring structural alterations of load-bearing walls, new roofs, and a generally higher quality of materials will inflate overall costs by between 40% and 60% above standard pricing.

For luxury specifications with premium materials, bespoke joinery, and designer finishes, expect costs to increase by 40-60% above standard pricing.

Renovation Budget by Flat Size

One-Bedroom Flat

A complete flat renovation in London for a one-bedroom property costs £55,000. This covers everything from structural work and new flooring to a modern kitchen and bathroom that you can enjoy for the long-term.

Expect these estimated costs to account for new plumbing, electrics, plastering and wallpaper improvements. One-bedroom flats are a good idea for home buyers to maximise every square metre, so clever hallway storage and open-plan layouts are worth factoring into the house refurbishment cost.

Two-Bedroom Flat

A 2-bedroom flat refurbishment costs £85,000 for a full transformation. This will likely encompass two bathroom refurbishments, a new kitchen, complete rewiring, revamped living room and master bedroom, and replastering throughout, not to mention any potential loft conversion costs.

Two-bedroom properties often benefit from upgraded double glazing to improve light flow, and knocking down walls to encourage less segregation of living spaces. Factor in party wall surveyor costs as part of your project management if you're planning structural alterations that affect neighbouring properties.

Three-Bedroom Flat

A three-bedroom flat renovation costs £115,000. Considering the size of the property, you're typically working with 90-100 square metres, which means more scope for impressive living spaces.

The average price of a three-bedroom house renovation in London will typically consider an upgrade of all rooms, installing new heating with higher energy efficiency ratings, new windows, new doors, and the go-to kitchen and bathroom installations. Many three-bedroom flats also benefit from improved staircase designs that add character, depending on the property type and project scope.

Four-Bedroom Flat

For a four-bedroom flat, the renovation cost is £145,000. Larger properties will require additional preparation and planning to maintain flow while ensuring every room serves a purpose.

These higher costs will be cognizant of master ensuite bathroom renovation costs, as well as family bathroom upgrades, large kitchen improvements, installing new patio doors and a new central heating system, and even a garage conversion if applicable. Architect costs and planning applications often form part of your budget for this level of house renovation project, depending on the extent of your renovation ideas.

Five-Bedroom Flat

Renovating a five-bedroom flat costs £175,000. These refurbishment projects encompass alterations to every room, which may even include a new roof replacement or large-scale house extension. Considering the average price of luxury apartments for sale in London, these upgrades are well worth it.

Preserving original features in, for example, listed buildings, with appropriate development rights and local council approval, will typically mirror these building costs. Expect your renovation to include bathroom costs, kitchen renovation costs, window replacements, and layout changes that dramatically improve its market value.

Luxury Flat Renovation

A luxury flat renovation costs £225,000. This level cost estimations includes damp proofing, heating system upgrades, premium materials throughout, bespoke cabinetry, designer sanitary ware, underfloor heating, and integrated smart home technology.

Think modernised, marble bathrooms, contemporary handleless kitchen units with Quooker taps, engineered oak flooring, and custom joinery that maximises every millimetre. Full house renovation costs may also cover the process of working with interior designers and refurbishment companies who understand how to create show-home quality finishes, which can only improve house costs.

The average cost of flat renovation for one bedroom property in London is £55,000 and rise to £175,000 for five bedroom homes. Two-bedroom flats average £85,000, while three-bedroom renovations cost £115,000 and four-bedroom projects require £145,000.

Renovation