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.
In Gerrards Cross, as anywhere in Buckinghamshire, the price of a new front or back door is driven mainly by size, materials and access. Across the South East our guide sits at £1,100–£3,900 with VAT, but restricted parking, a narrow side passage or extra preparation can move the figure either way. That is why every price we give follows a visit to the house.
- Guide price
- £1,100–£3,900 inc VAT
- Time on site
- Usually half a day to one day per door
- Postcodes
- SL9
- Planning rules
- England
- Local area
- Buckinghamshire
- Survey
- Free, with a written quote
Front and back doors prices in Gerrards Cross
These are guide costs, not quotes. For a new front or back door in Gerrards Cross the range is £1,100–£3,900, VAT included, reflecting prices in the South East that are about 12% 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 Gerrards Cross |
|---|---|---|
| uPVC back door | A standard uPVC back or side door with a half-glazed panel and multi-point lock. | £900–£1,700 |
| Composite front door | A made-to-measure composite door in your chosen colour, glass design and hardware. | £1,350–£2,800 |
| Aluminium or door with side panels | A premium aluminium door, or a composite door with one or two side panels. | £2,800–£5,600 |
Expect these to shape the final quote:
- Door material: uPVC, composite or aluminium
- Side panels, fanlights and the amount of glass
- Lock, cylinder and hardware specification
- Condition of the opening, threshold and surrounding brickwork
What’s included?
- Made-to-measure door and frame in your chosen colour and design
- Multi-point locking with anti-snap cylinders and matching handles
- Glazing panels, side panels or fanlights where specified
- Removal and disposal of the old door and frame
- Weather seals, sealant and internal trims finished neatly
- Building regulations paperwork where a glazed door needs it
Building in Gerrards Cross
Buckinghamshire runs from Chiltern villages of brick and flint, through Metroland interwar semis around Amersham and Chesham, to Victorian terraces in High Wycombe and Aylesbury. Milton Keynes adds estates built from the 1970s onwards in brick, render and timber frame, and new housing continues to spread around its edges.
Chiltern cottages may need lime repairs and careful window choices in conservation areas. Interwar semis suit hip-to-gable lofts and rear extensions, while Milton Keynes homes often need roofline renewal, replacement doors and garage conversions.
These patterns matter for a new front or back door: older walls, roofs and floors in Gerrards Cross can need different materials or extra preparation compared with newer homes.
Planning and building rules in Gerrards Cross
Which rules apply depends on where you live. For Gerrards Cross, 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.
What happens after you get in touch?
A visit to your home
First, someone visits your home in Gerrards Cross to see the space, take measurements and note anything that could affect the work, such as access or the condition of what is there. There is no charge for this visit.
Price and scope agreed
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
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.
On site to finish
The work is carried out to the agreed specification, with floors and furniture protected and the site kept tidy. At the end we clean up, walk through the finished job with you and hand over any certificates.
What you can expect from us
Common questions
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.
How long will my home be open while the door is fitted?
Fitting a new door usually takes half a day to a full day, and your home is only open for the short time between taking out the old frame and fixing the new one. We keep the opening covered if there is any delay, and we never leave a doorway insecure overnight. Once the frame is fixed, we hang the door, adjust the locks, seal around the frame and finish the trims.
Can you combine a new front or back door with other work?
Yes. Because we manage several trades under one contract, we can plan a new front or back door alongside other work on your Gerrards Cross 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.
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.
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.
Nearby towns
If your address falls within SL9, we cover it. The same goes for neighbouring Chalfont Saint Peter, Uxbridge and Rickmansworth, which we include alongside Gerrards Cross when arranging surveys and quotes.

