What is a house renovation?
A house renovation brings an older or tired home up to date. It can include rewiring, a new heating system, replastering, new floors, windows, kitchens and bathrooms, and changes to the layout. A full renovation is often combined with an extension or loft conversion.
How much does a house renovation cost in Portishead?
In Portishead, a house renovation typically costs £900–£1,850 per m² for a medium to full renovation, including VAT at 20% (5% may apply to homes empty for two years or more). For a typical 90 m² project that is roughly £81,000–£166,500. Prices in the South West sit near the national average for this kind of work, and the range for Portishead reflects that. Design, structural calculations and council fees are extra.
| Size or type | Guide range |
|---|---|
| Smaller project (63 m²) | £56,500–£116,500 |
| Typical project (90 m²) | £81,000–£166,500 |
| Larger project (126 m²) | £113,500–£233,000 |
| Rate per m² | £900–£1,850 |
Your quote will depend mainly on:
- Whether you live in during the work
- Kitchens and bathrooms
- Extent of rewiring and replumbing
- Structural and damp repairs
Your exact price depends on the survey and drawings. The guide price tool gives a quick range in the meantime.
Do you need planning permission for a house renovation in Portishead?
Approvals for a house renovation in Portishead follow the rules for England. In England internal renovation usually does not need planning permission unless the house is listed, when listed building consent covers internal work too. Notifiable work such as rewiring, structural changes, new windows and heating must meet building regulations.
Building regulations approval comes from the council’s building control service or a registered building control approver. The work is inspected at key stages, such as foundations, drainage and insulation, and a completion certificate is issued at the end.
Our first visit includes a check of your planning history, so you know the route before paying for drawings.
What we handle
From survey to sign-off, the job normally involves:
- Building control for notifiable work
- Joinery, doors and floors
- Structural repairs and damp treatment
- Condition survey and scope of works
- Decoration
- Plastering and boarding
How long does it take?
The build itself usually takes 8 to 20 weeks on site depending on scope. Allow time beforehand for drawings and approvals, usually 6 to 12 weeks.
Building in Portishead
In parts of the South West, protected landscapes and conservation areas shape what can be built, so materials and roof forms are chosen carefully.
Portishead sits in Somerset, about 35 miles north-east of Taunton. We cover the whole of Portishead, including postcodes BS20.
How it works
- 01
Survey and brief
We visit, discuss your ideas and budget, and survey the property or site at no cost.
- 02
Design and fixed quote
Drawings, structural calculations and an itemised, fixed price for the agreed specification.
- 03
Approvals
Planning or permitted development confirmation, building regulations and any party wall matters.
- 04
Build and handover
Work follows the agreed programme, with inspections along the way and a completion certificate at the end.
Questions about house renovations in Portishead
Do I need planning permission to renovate?
Internal work usually does not need planning permission unless the house is listed. External changes may.
How long does a full renovation take?
Typically 8 to 20 weeks on site depending on the size of the house and scope.
Do you build house renovations in Portishead?
Yes. We build house renovations across Portishead, including postcodes BS20. Every project starts with a free home visit.
How much does a house renovation cost in Portishead?
In Portishead, a house renovation typically costs £900–£1,850 per m² for a medium to full renovation, including VAT at 20% (5% may apply to homes empty for two years or more). A typical 90 m² project comes to roughly £81,000–£166,500. Your fixed price depends on the survey and drawings.
Is VAT reduced on renovations?
Usually not; the standard 20% rate applies. A reduced 5% rate can apply when renovating a home that has been empty for at least two years.