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.
From a first conversation about a whole-house renovation to the day the site is cleared, homeowners in Welwyn Garden City deal with us directly. We come out to measure up at no cost, explain the choices in plain terms and send a written quote. For context, comparable work in the East of England usually falls within £47,000–£126,000 including VAT, and it is available across AL7 and AL8.
- Guide price
- £47,000–£126,000 inc VAT
- Time on site
- 8–24 weeks on site, depending on scope
- Postcodes
- AL7 and AL8
- Planning rules
- England
- Local area
- Hertfordshire
- Survey
- Free, with a written quote
Whole-house renovations prices in Welwyn Garden City
These are guide costs, not quotes. For a whole-house renovation in Welwyn Garden City the range is £47,000–£126,000, VAT included, reflecting prices in the East of England that are about 5% above the national guide. Once we have visited for a free survey, you get a firm figure for the scope you approve.
| Type of job | What it usually involves | Guide in Welwyn Garden City |
|---|---|---|
| Light refurbishment | Decoration, flooring, minor repairs and perhaps one new kitchen or bathroom. | £16,000–£47,000 |
| Full refurbishment | Rewire, heating, plastering, new kitchen and bathroom, flooring and decoration throughout a 3-bed house. | £47,000–£126,000 |
| Renovation with structural changes | A full refurbishment plus wall removal, layout changes or extra bathrooms. | £105,000–£189,000 |
Expect these to shape the final quote:
- 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 does the job include in Welwyn Garden City?
- 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
- Flooring, internal doors, skirting and joinery
- Decoration and a final clean before handover
Building in Welwyn Garden City
Hertfordshire is home to the first garden cities, Letchworth and Welwyn Garden City, and the post-war new towns of Stevenage, Hatfield and Hemel Hempstead. Watford and St Albans have Victorian terraces and Georgian streets, interwar semis line the commuter suburbs, and brick-and-flint cottages appear in Chiltern villages to the west.
New-town and garden-city homes often suit extensions, window replacement and roofline renewal, though some garden-city estates have their own design guidance. Victorian terraces commonly take loft rooms and side-return extensions.
None of this holds for every street in Welwyn Garden City, which is why we look at your actual house before pricing a whole-house renovation rather than assuming from its age alone.
Planning and building rules in Welwyn Garden City
Planning law differs across the UK. For a home in Welwyn Garden City, it is the England rules below that count, and we check them with the council ahead of any quote.
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.
The four stages
Free site survey
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.
Your fixed price
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.
Booking the work
We handle the paperwork side: checking whether planning permission or building control approval is needed, submitting applications where they are, and scheduling the trades and materials around your dates.
Build and hand over
During the work we protect the areas around it and tidy up at the end of each day. Once complete, we check the finish, remove our materials and hand over paperwork such as building control sign-off where it applies.
Working with SK Home Improvements
Whole-house renovations in Welwyn Garden City: questions
What happens if you find damp or rot?
If we find damp or rot during a renovation, we stop that area, show you the problem and explain the likely cause, such as a leaking gutter, bridged damp-proof course or poor ventilation. We then give you a written price to fix the cause and repair the damage before carrying on. Treating the cause matters more than treating the symptom, so we focus on that first.
What contingency should I allow?
A contingency is money set aside for problems found once work starts, such as rotten joists, hidden damp or wiring that is worse than expected. For older houses, setting aside at least 10–15% of the build cost is sensible. We look for warning signs during the survey and price known issues upfront. If something unexpected is found, we explain it and price it before carrying on.
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.
Do I need planning permission in Welwyn Garden City?
It depends on the work, the size of the project, your property type and whether the building is listed or in a conservation area. Welwyn Garden City is in England, so England's rules apply. Many smaller jobs need no planning application, but some still need building control approval. We check what applies to your address before quoting.
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.
Also covering areas around Welwyn Garden City
From AL7 and AL8 to the edges of Welwyn Garden City and on into Hatfield, Hertford and St Albans, we can arrange a site visit and a written quote for your project, planned around dates that work for you.