London · Extensions & Renovations

Whole-house renovations in Harrow

Typical time on site: 8–24 weeks on site, depending on scope. Guide price in Harrow: £58,000–£156,000 including VAT.

Victorian house mid-renovation with fresh plaster and new floorboards

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A whole-house renovation is a planned refurbishment of an entire home, typically combining rewiring, heating, plastering, new kitchen and bathroom, flooring and decoration, and sometimes layout changes, carried out in a logical order under one project.

We take on a whole-house renovation throughout Harrow and the surrounding HA1, HA2, HA3 and HA5 postcodes, as well as in Wealdstone, Brent and Wembley. The guide range for this work in London is £58,000–£156,000 including VAT; where your project falls depends on its size, the materials you pick and how easy the site is to reach. A free survey turns that range into a fixed figure.

Guide price
£58,000–£156,000 inc VAT
Time on site
8–24 weeks on site, depending on scope
Postcodes
HA1, HA2, HA3, HA5 and HA7
Planning rules
England
Local area
Greater London
Survey
Free, with a written quote

How much does a whole-house renovation cost in Harrow?

The table below shows guide prices for a whole-house renovation in Harrow. They are based on rates in London, which run about 30% above the national guide, giving an overall range of £58,000–£156,000. All figures include VAT and are firmed up after a free site survey.

Type of jobWhat it usually involvesGuide in Harrow
Light refurbishmentDecoration, flooring, minor repairs and perhaps one new kitchen or bathroom.£19,500–£58,000
Full refurbishmentRewire, heating, plastering, new kitchen and bathroom, flooring and decoration throughout a 3-bed house.£58,000–£156,000
Renovation with structural changesA full refurbishment plus wall removal, layout changes or extra bathrooms.£130,000–£234,000

Your price depends mostly on:

  • Size of the house and number of rooms being renovated
  • Whether rewiring, new heating and full replastering are needed
  • Kitchen and bathroom specification
  • Structural or layout changes and associated approvals

What do you get?

  • Room-by-room survey and a planned order of works
  • Strip-out of old kitchens, bathrooms, flooring and finishes
  • Rewiring and new consumer unit by qualified electricians, with certificates
  • Heating and plumbing upgrades by qualified engineers
  • New kitchen and bathroom fitted to your chosen specification
  • Flooring, internal doors, skirting and joinery
Light refurbishmentDecoration, flooring and minor repairs where wiring, heating and plaster are sound.
Full refurbishmentRewiring, heating, plastering, kitchen and bathroom, taking the house back to a fresh start.
Renovation with layout changesRemoving walls, moving the kitchen or adding an en-suite as part of the works.
Pre-sale or pre-let refreshA focused programme to get an empty property ready to sell or let.

What are homes like around Harrow?

London's housing is dominated by Victorian and Edwardian terraces, often in yellow London stock brick, with Georgian terraces in central districts and mansion blocks across many inner areas. Outer boroughs have large belts of interwar semis, and there are extensive post-war council estates. Many houses have been split into flats, and conservation areas are widespread.

Terraces suit side-return extensions and rear dormer loft conversions; interwar semis commonly take hip-to-gable lofts. Shared party walls, restricted parking and conservation rules often shape the plans and the programme.

Building traditions across London also raise conservation and planning questions, so we check those for a whole-house renovation in Harrow at the survey stage.

Planning and building rules in Harrow

For anyone in Harrow, the relevant framework is England's. The summary below is general, so we always contact the council about your address before putting a price in writing.

Internal work such as a new kitchen, bathroom, flooring, plastering or decorating does not need planning permission in England, unless the house is listed, when listed building consent may be needed even for internal changes.

Some internal work is covered by Building Regulations: new electrical circuits and work in bathrooms (Part P), new drainage, structural changes, extractor ventilation and any new window. Notifiable work is certified by a registered installer or by building control.

Rules change and every property is different, so we check the planning history and constraints for your address before we quote.

From survey to handover

  1. Survey and measure

    It starts with a survey at the property, free of charge. We check condition, access and services, ask how you want the finished result to look, and answer any questions you have about a whole-house renovation.

  2. Quote in writing

    The quote arrives in writing, not over the phone. It covers the full scope, the finishes you've chosen, any exclusions and the payment schedule, with a fixed price tied to that specification.

  3. Plan and prepare

    Next comes planning the work itself. We set a start date that suits you, line up the right trades, and make sure any approvals for a whole-house renovation are in place before the first day on site.

  4. Finish and handover

    On site, the agreed plan is followed and any change is put in writing first. At completion we do a final clean, go through the snagging list with you and leave you with the relevant documents.

How we work

One point of contactA single named contact handles your project from the first survey to the final handover, so you always know who to call with a question.
Permissions checked firstWe check whether planning permission or building control approval is needed for your property, and handle applications and notices where they apply.
Changes agreed in writingIf something needs to change once work is under way, we explain why and confirm the cost or saving in writing before carrying on.
One contract, several tradesJobs that need builders, plasterers, electricians and decorators come under a single contract, so you are not coordinating separate firms yourself.

Questions about a whole-house renovation in Harrow

Do I need planning permission to renovate?

Most internal renovation work does not need planning permission, but it depends on what changes, your home's location, whether it is listed or in a conservation area, and which UK nation you are in. Listed buildings usually need consent for internal and external changes. Altering windows, adding dormers or changing the outside appearance in a conservation area may also need permission. We check before quoting.

Can I stay at home during the work?

In most cases, yes. Most people can live at home throughout, and we plan the work to keep disruption down by protecting floors, agreeing working hours and keeping access routes clear. Bigger jobs affecting kitchens, bathrooms or heating may mean a short spell with reduced facilities, and we talk this through with you at the survey.

In what order should renovation work be done?

A renovation should follow a set order so finished work is never damaged by later trades. It usually runs from roof and structural repairs, through strip-out, first-fix electrics and plumbing, then plastering, second-fix electrics and plumbing, kitchen and bathroom fitting, flooring and finally decoration. Windows are usually fitted before plastering. We plan the programme around this sequence so each trade follows on smoothly.

Which parts of a renovation need building regulations approval?

Several parts of a renovation fall under building regulations, including rewiring and new circuits, new boilers and heating systems, structural changes such as removing walls, replacement windows and changes to drainage. Some of this is self-certified by suitably registered trades, and some needs building control approval. In Scotland a building warrant may be needed for certain works. We arrange the right approvals and certificates.

Can you combine a whole-house renovation with other work?

Yes. Because we manage several trades under one contract, we can plan a whole-house renovation alongside other work on your Harrow home, such as new windows with rendering, or a kitchen refit with an extension. Combining jobs can reduce repeat set-up such as scaffolding, skips and access, and every element is listed and priced in the same written quote.

Nearby towns

Whether you're in the centre of Harrow or on its outskirts, HA1, HA2, HA3 and HA5 addresses are covered. We extend the same service, and the same fixed-price approach, to Wealdstone, Brent and Wembley.

Ready for a written price?

Considering a whole-house renovation? Homeowners in Harrow can request a survey and a fixed-price quote at no cost, or use the online guide-price tool to set a budget first.

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