A replacement front or back door is a new door and frame, usually composite, uPVC or aluminium, made to fit your existing opening and fitted with multi-point locks and weather seals to improve security, warmth and kerb appeal.
If you live in Carshalton and are weighing up a new front or back door, the starting point is a visit to measure up and talk through what you want, which costs nothing. We cover homes across SM1, SM2, SM3 and SM4, and a typical project of this kind in London lands somewhere in the £1,300–£4,600 bracket, including VAT. The exact figure depends on size, access and the finish you choose.
- Guide price
- £1,300–£4,600 inc VAT
- Time on site
- Usually half a day to one day per door
- Postcodes
- SM1, SM2, SM3, SM4 and SM5
- Planning rules
- England
- Local area
- Greater London
- Survey
- Free, with a written quote
Front and back doors prices in Carshalton
Use the table to gauge the cost of a new front or back door in Carshalton before we visit. Figures include VAT and are scaled for London, coming out about 30% above the national guide, which gives £1,300–£4,600 overall. After a free survey, you receive a fixed written price.
| Type of job | What it usually involves | Guide in Carshalton |
|---|---|---|
| uPVC back door | A standard uPVC back or side door with a half-glazed panel and multi-point lock. | £1,050–£1,950 |
| Composite front door | A made-to-measure composite door in your chosen colour, glass design and hardware. | £1,550–£3,200 |
| Aluminium or door with side panels | A premium aluminium door, or a composite door with one or two side panels. | £3,200–£6,500 |
Expect these to shape the final quote:
- Door material: uPVC, composite or aluminium
- Lock, cylinder and hardware specification
- Colour, including different colours inside and out
- Condition of the opening, threshold and surrounding brickwork
Scope of the work
- Measured survey of the opening, threshold and frame condition
- Made-to-measure door and frame in your chosen colour and design
- Glazing panels, side panels or fanlights where specified
- Removal and disposal of the old door and frame
- Low threshold options for level or easier access
- Weather seals, sealant and internal trims finished neatly
Building in Carshalton
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.
None of this holds for every street in Carshalton, which is why we look at your actual house before pricing a new front or back door rather than assuming from its age alone.
Do you need permission in Carshalton?
Which rules apply depends on where you live. For Carshalton, the answer is England, and the points below reflect that; we verify them with the council before quoting.
Replacing windows and doors on a house is usually permitted development in England when the new ones look broadly similar to the old. Flats, listed buildings and homes covered by an Article 4 direction can need consent, and conservation areas may limit materials or styles.
Replacement windows and external doors must meet Building Regulations for energy efficiency, ventilation and, on upper floors, escape. The work is either self-certified by an installer registered with a competent person scheme or signed off 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 begin by looking at the job in person. During the free survey we discuss options, materials and budget for a new front or back door, and photograph or measure anything the quote needs to reflect.
Written quote
You get the price in writing, itemised so you can see where the money goes. As long as the specification stays the same, that is the price you pay for a new front or back door.
Dates and permissions
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 new front or back door are in place before the first day on site.
Build and hand over
Work goes ahead as scheduled and you deal with one contact throughout. When the last trade leaves, we clear and clean the site, talk you through what has been done and pass on any certificates and care instructions.
How we work
Common questions
How long will a new front or back door take?
On a typical home, allow Usually half a day to one day per door. Larger projects, older buildings and extra work found once things are opened up can extend that, while simpler jobs may be shorter. Your quote includes an estimate of time on site, and your point of contact keeps you updated on the programme as the work progresses.
Can I have a low threshold for wheelchair or pushchair access?
A low threshold is a flat or very shallow sill that makes a doorway easier to cross with a wheelchair, walking frame or pushchair. Most composite, uPVC and aluminium doors can be supplied with one. The outside ground level and drainage need checking, because a low threshold must still keep rainwater out. We look at this during the survey and suggest a channel drain or small ramp if needed.
What is the difference between a composite and a uPVC door?
A composite door has a tough outer skin over a solid insulated core, so it feels heavier and more solid than uPVC and holds its colour well. A uPVC door is built from reinforced plastic panels and costs less. Both can have multi-point locking and good weather seals. Many people choose composite for the front door and uPVC for back or side doors, where looks matter less.
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 permission to change my front door?
Planning permission is not usually needed to replace a front door, but it depends on the style and size of the change, your home's location, whether it is listed or in a conservation area, and which UK nation you are in. Listed homes generally need consent for any change, and some conservation areas control colours and styles. Flat entrance doors in shared buildings must also meet fire rules. We check before quoting.
Near Carshalton
We welcome enquiries from all SM1, SM2, SM3 and SM4 postcodes in Carshalton, plus Wallington, Sutton and Mitcham. Each one gets the same survey at no charge and a written price fixed for the work described.

