Complete Home Renovation in Wandsworth: What Does It Cost?

 

Are you planning a complete overhaul of your Wandsworth home? In this cost guide, we’ll detail all crucial aspects—contractors, budgets, regulatory steps, financing, and how to cut costs.  Read on for the essential information.

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Complete Home Renovation in Wandsworth: What Does It Cost?

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Renovation in Wandsworth

When scoping out refurbishment expenses, note whether the job covers the interior, exterior, or both, as this affects your overall cost estimates.

Interior Renovation

A complete interior renovation, or interior refurbishment, typically reworks floors, walls, ceilings, plus bathrooms, kitchens, plumbing, and electricals. This is more expansive than merely redecorating.

Industry data and documented refurbishments suggest simpler interior updates can start at about £650 per m², whereas large or premium undertakings might reach £2,000 per m². A widely used median is £1,100 per m², incorporating labour, materials, and items bought by homeowners. Actual bills vary substantially, reflecting chosen finishes and any structural concerns. In Wandsworth, many 1930s semis or Victorian terraces adopt open-plan kitchens as part of interior makeovers, creating bright family hubs.

Exterior Renovation

An exterior renovation might involve:

  • Improving drainage
  • Boosting insulation
  • Re-pointing brick walls
  • Applying render or cladding
  • Re-roofing
  • Fitting modern doors and windows

Costs vary greatly depending on materials, home size, number of storeys, location, and repair scope. Generally, £400–£700 per m² (wall area) is typical. Some simpler revamps might be £250–£400, while elaborate or luxurious solutions can surpass £700–£1,200+ per m². In Wandsworth, older façades near the Thames or Wandsworth Common often need re-pointing or sensitive re-rendering to retain a classic outer appearance.

Both Interior and Exterior

Tackling both the inside and outside inflates total costs. A combined upgrade usually starts near £1,500 per m², potentially reaching £3,500 per m² for more complex designs. Yet it’s commonly less expensive than building entirely new, as key structures remain. Industry data pegs new-build houses in the UK ~£2,600 per m² (including VAT), forming a reference for extensive refurbishments.

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Complete Home Renovation in Wandsworth

Renovating a home in Wandsworth allows you to pair the borough’s green, suburban essence with up-to-date amenities. Stretching across areas like Balham, Tooting, and Putney, Wandsworth’s housing stock includes Victorian terraces, interwar semis, and contemporary blocks around the river. Residents often unify smaller kitchens and living rooms into one open-plan area, perfect for entertaining or modern family life. Externally, adding insulation or re-roofing older homes can ensure better energy performance and preserve the borough’s appealing streetscapes.

Labour charges align with London norms but might be slightly lower than more central locations. If you’re renovating near a local conservation area (for instance, in certain parts of Wandsworth Town or Putney), external modifications could require additional planning scrutiny. Inside, standard refurbishments typically only need Building Regulations compliance unless structural or historically listed elements are involved. Installing modern boilers, upgrading single glazing, or adding robust insulation can significantly reduce winter heating bills and address city noise.

Whether you own a 1930s semi off Garratt Lane or a Victorian terrace near Wandsworth Common, a well-organised refurbishment can enhance both daily comfort and market value. Contractors used to Wandsworth architecture—covering everything from post-war blocks to riverside developments—will more likely give accurate quotes and prompt solutions. In the end, a carefully managed renovation in Wandsworth merges suburban tranquillity with modern living, a big draw for families and professionals seeking space while staying connected to central London.

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What Drives the Cost in a Complete Renovation?

While per-m² guidelines offer an initial ballpark, various factors can shift your final budget significantly.

Size
Unsurprisingly, size is the deciding factor for the overall cost - the larger the project, the more it will cost.

Complexity
Multiple bathrooms, advanced layout adjustments, or distinctive architectural finishes all raise costs versus straightforward designs. Ornate or period features add time and skill requirements.

Number of bathrooms
Bathrooms or wet rooms command high renovation expenses. The Federation of Master Builders indicates a completely refurbished bathroom often costs £20,000–£32,000, depending on style. Kitchens similarly inflate costs beyond simpler living spaces.

Structural modifications
Removing or repositioning load-bearing walls intensifies the budget over non-structural tweaks. Such undertakings commonly need engineering approval and possibly planning checks.

Materials
Choices in kitchens, bathrooms, or floor finishes can compress or expand the final bill dramatically. Standard building items vary less in price, while premium fittings can soar.

Choice of contractor
Finally, builder selection heavily shapes cost and final quality. Collect multiple quotes, assess references, and confirm professional memberships.

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What's Included in the Contractor's Quote?

It’s critical to establish what a contractor’s bid includes early on. Typically, it accounts for labour across all renovation stages plus standard materials. However, finishing materials might be excluded.

Such finishing materials typically include kitchen units, bathroom fixtures, taps, toilets, floors, and tiles. As discussed, these can vary greatly in price. A functional kitchen might be ~£5,000, while designer kitchens exceed tens of thousands. Kitchen installation often adds £1,000–£3,000, managed separately.

Likewise, flooring and tiling also appear under finishing. Promotional deals or contractor trade discounts can help. Entry-level tile might be ~£20 per m², rising for upscale brands.

Bathrooms share the same wide price scope. While the contractor may have supplier discounts, it’s wise to compare multiple sources. A small bathroom can be ~£1,000 for basic setups, though most allocate more. Typically, the contractor’s labour covers installing these items.

Cost Breakdown for Individual Elements

We covered per-m² budgeting for a total refurbishment. Below is a specific breakdown from a 230 m² detached property that had an all-round renovation. Real figures vary, but it highlights standard item allocations:

Contractor’s quote (labour + materials):

  • Window replacements (20 + delivery): £27,000
  • New exterior window opening: £3,200
  • Re-cladding + insulation: £33,000
  • Roof renovation: £21,500
  • Drainage improvements: £12,800
  • Bathroom (excl. tiles/fixtures, plumber inc.): £19,000
  • WC 1 (plumber inc.): £3,600
  • WC 2 (plumber inc.): £3,600
  • Utility room (with plumber): £10,800
  • New plumbing (full property): £18,400
  • External & patio doors: £4,800
  • Balanced ventilation: £9,600
  • Interior finishes (walls, floors, ceilings): £41,600
  • Internal doors: £6,000
  • Architraves, linings, transitions: £2,000
  • Electrical (entire house): £29,600
  • Single attached garage: £14,400
  • Waste management: £4,800
  • Demolition, scaffolding, site prep: £24,000
  • Interior designer: £6,000
  • Architect: £4,000
    Subtotal (Contractor): £300,800

Owner’s self-purchases:

  • Tiles (bathroom, WC, utility, hallway): £4,800
  • Bathroom fixtures (1 bath + 2 WCs): £6,400
  • Kitchen units: £24,000
  • Flooring: £10,000
    Owner total: £45,200

Project sum: £346,000

Hence, ~£1,500 per m², slightly lower than the average for a complete interior-exterior revamp.

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Building Regulations for a Complete Home Renovation (UK)

Major renovations must meet Building Regulations for safety, energy efficiency, and legal validity. Always liaise with Building Control before you start.

When Do You Need Building Regulations Approval?

  • Structural works – Removing load-bearing walls, chimney breasts, or adding new door/window openings under Part A. Requires an engineer’s plan.
  • Bathrooms & plumbing – Adding or relocating bathrooms must satisfy drainage (Part H) and ventilation (Part F).
  • Electrical – Rewiring or circuit installations, especially in kitchens/bathrooms, must comply with Part P (Electrical Safety). A certified electrician or building control check is key.
  • Heating – Installing or replacing boilers, fireplaces, radiators must align with Parts J (combustion) and L (efficiency). Gas Safe accreditation is essential for gas jobs.
  • Windows/doors – Replacements must meet Part L (insulation) and Part K (safety glazing). FENSA/CERTASS typically handle these approvals.
  • Garage/basement conversions – Converting these areas into habitable rooms entails checks on insulation, damp-proofing, ventilation, and fire safety.

In Wandsworth, partial garage conversions are fairly standard in suburban roads, requiring building control sign-off for occupant safety compliance.

Additional Considerations

  • Fire Safety (Part B) – Large open-plan floors can demand fire doors or alarms to keep escape routes safe.
  • Ventilation (Part F) – Kitchens, bathrooms, and utility zones need extractor fans.
  • Insulation & Energy (Part L) – Significant projects typically upgrade insulation in walls, roofs, or windows.
  • Soundproofing (Part E) – Splitting a house or converting a loft/garage for living might trigger acoustic insulation mandates.

Either a Full Plans application or a Building Notice can be used. A completion certificate follows final approvals.

Do I Need Planning Permission?

Planning permission is different from Building Regulations. Typically, interior refurbishments don’t need it unless:

  • Listed buildings – Any changes affecting a listed home’s special character demand Listed Building Consent.
  • External alterations – Adding windows, re-roofing, or cladding might need council approval, particularly in conservation areas.
  • Change of use – From single dwelling to multiple flats, or from residential to commercial usage.
  • Extensions/loft conversions – Interior reorganisation often dodges planning, but outward expansions or adjusting rooflines generally don’t.

In Wandsworth, areas near the river or heritage streets (like some parts of Putney) sometimes have constraints on visible external modifications.

For usual internal modifications—like a kitchen or bathroom update, or redecorations—planning permission typically isn’t required, but confirm with local authorities if in doubt.

How to Find the Right Professionals

Selecting competent, accredited trades is crucial for a trouble-free renovation. Though less reliable operators exist, many reputable building companies manage large-scale refurbishments proficiently.

Depending on your confidence, you can either recruit each trade yourself or use a principal contractor who organises all tasks. The latter simplifies scheduling and accountability, while the former might cut some overhead but demands a bigger commitment to project management.

In Wandsworth, local recommendations or property owner groups commonly reference contractors adept at older suburban styles and new riverside flats alike.

Checklist for Home Renovation

  1. Specify your renovation aims and scope
  2. Research financing or loan pathways
  3. Set up a budget, including contingency
  4. Identify applicable Building Regulations
  5. Check if planning permission applies
  6. Obtain multiple quotes (3 minimum)
  7. Verify references, credit scores, and accreditations
  8. Hire accredited, trustworthy tradespeople
  9. Decide on a realistic schedule
  10. Maintain open dialogue with your contractor(s)

Regardless of approach, exploring multiple quotes is indispensable for comparing cost, reliability, and references. TrustedBuilders aids in finding proven contractors with fair rates, easing the Wandsworth renovation journey.

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