A bathroom installation replaces your old suite with new sanitaryware, a bath or shower, tiling and fittings, including the plumbing, electrics, ventilation and waterproofing needed for a complete, watertight room.
Anyone planning a new bathroom in Dartford wants three things: a clear price, a realistic timetable and a tidy job. We publish a guide of £5,600–£13,500 including VAT for the South East up front, explain that work normally takes 1–2 weeks per bathroom, and confirm both in writing after a free survey of your property.
- Guide price
- £5,600–£13,500 inc VAT
- Time on site
- 1–2 weeks per bathroom
- Postcodes
- DA1
- Planning rules
- England
- Local area
- Kent
- Survey
- Free, with a written quote
What should you budget for a new bathroom in Dartford?
Use the table to gauge the cost of a new bathroom in Dartford before we visit. Figures include VAT and are scaled for the South East, coming out about 12% above the national guide, which gives £5,600–£13,500 overall. After a free survey, you receive a fixed written price.
| Type of job | What it usually involves | Guide in Dartford |
|---|---|---|
| Shower room or en-suite | A compact room with a shower, basin and toilet, keeping the existing layout. | £4,500–£9,000 |
| Family bathroom | A full suite with bath and shower, new tiling, lighting and an extractor fan. | £5,600–£13,500 |
| Premium bathroom or wet room | Standalone bath, wet room or walk-in shower, underfloor heating and large-format tiles. | £13,500–£22,500 |
What moves the price up or down:
- Room size and the amount of tiling
- Suite, shower and tap specification
- Wet room waterproofing and underfloor heating
- Condition of the floor, walls and existing pipework
Scope of the work
- Measured survey and layout planning for your room
- Removal and disposal of the old suite and tiles
- New supply and waste pipework, including concealed fittings
- Waterproofing behind showers and in wet areas
- Bath or shower, basin, toilet and taps fitted and tested
- Heated towel rail, silicone sealing and a final clean
Local housing and a new bathroom
Kent's older buildings include oast houses, weatherboarded cottages, Wealden timber-framed houses and Kentish ragstone walls. Medway towns have long rows of Victorian terraces, Margate and Ramsgate have Regency and Victorian seafronts, and Ashford, Maidstone and Dartford have seen large new estates alongside interwar and post-war housing.
Victorian terraces suit loft rooms and rear extensions; weatherboarded and timber-framed buildings may need cladding repairs and lime work. Newer estate homes often take garage conversions, porches and landscaping.
That mix of housing shapes how we approach a new bathroom in Dartford: the age and construction of your home affect the materials, the method and, in the end, the price.
Planning and building rules in Dartford
As Dartford is in England, read the following with that system of planning and building control in mind. We check what applies to your house with the council before you receive a 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.
From survey to handover
Free site survey
We arrange a free site survey on a date convenient to you. We measure up, look at the existing structure and access, and discuss your plans for a new bathroom so the price reflects your home.
Written quote
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.
Dates and permissions
Before anyone starts, we confirm the programme in writing, check whether consents are required and arrange deliveries. If a skip or scaffolding on the road needs a permit, we apply for it.
Build and hand over
The job proceeds in the order set out in the programme, with dust and debris kept under control. Finally we tidy away, inspect the work together and pass the finished project over to you with its paperwork.
Working with SK Home Improvements
Common questions
What ventilation does a bathroom need?
A bathroom needs mechanical ventilation, usually an extractor fan, to remove steam and help prevent condensation and mould. Building regulations set minimum extraction rates for new or refitted bathrooms. A fan linked to the light with an overrun timer, or one with a humidity sensor, works well. Ducting should vent outside by the shortest practical route. We include a suitable fan in every bathroom quote.
Do you cover Bexley, Swanley and Welling?
Yes. As well as Dartford, we cover Bexley, Swanley and Welling and the rest of Kent. Our coverage is UK-wide, so the process is the same wherever you are: a free site survey, a quote in writing that fixes the price for the agreed scope, and one point of contact while the work is planned and carried out.
How much does a new bathroom cost?
A typical family bathroom costs £5,600–£13,500 supplied and fitted, including tiling, a new suite, shower, lighting and an extractor fan. Shower rooms and simple en-suites cost a little less, while wet rooms, standalone baths and large-format tiles cost more. Moving the toilet or replacing rotten floorboards adds to the total. We confirm a fixed price for the agreed specification after the survey.
Is a wet room right for my home?
A wet room is a fully waterproofed room with a shower area that drains through the floor, with no tray or step. It suits accessible bathrooms and modern designs, and makes cleaning easy. It needs a floor with enough depth for a gentle fall to the drain, and careful tanking of the whole room. Timber floors often need strengthening. We check suitability at the survey.
Who do I deal with during the job?
One point of contact manages your project from survey to handover. They schedule the trades working under our contract, keep you updated on progress, and are the person to call with any question. You don't need to coordinate builders, electricians or decorators separately, because that is part of what we do.
Also covering areas around Dartford
Addresses in DA1 are all covered for Dartford, along with Bexley, Swanley and Welling close by. Give us your postcode when you get in touch and we will confirm the details.

