London · Windows & Doors

Bifold and sliding doors in Hornchurch

Local guide: £3,900–£10,500 inc VAT. Planning notes for England, a free survey and one point of contact.

Open aluminium bifold doors between a kitchen extension and a patio

Free survey in Hornchurch

Tell us about the job and we will be in touch to arrange a visit.

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Bifold doors are glazed panels that fold and stack to one side to open up a wide gap, while sliding doors glide past each other on tracks; both connect a living space to the garden and bring in more daylight.

We take on bifold or sliding doors throughout Hornchurch and the surrounding RM1, RM2, RM7 and RM11 postcodes, as well as in Romford, Dagenham and Becontree. The guide range for this work in London is £3,900–£10,500 including VAT; where your project falls depends on its size, the materials you pick and how easy the site is to reach. A free survey turns that range into a fixed figure.

Guide price
£3,900–£10,500 inc VAT
Time on site
1–2 days to fit into a ready opening
Postcodes
RM1, RM2, RM7, RM11 and RM12
Planning rules
England
Local area
Greater London
Survey
Free, with a written quote

What should you budget for bifold or sliding doors in Hornchurch?

Prices for bifold or sliding doors vary from house to house, but in Hornchurch most projects fall within £3,900–£10,500 including VAT. That reflects costs in London, about 30% above the national guide. Treat the table as a budgeting aid; the written figure follows a survey we carry out for free.

Type of jobWhat it usually involvesGuide in Hornchurch
uPVC sliding or French doorsStandard uPVC doors fitted into an existing opening of up to about 2m.£1,950–£3,900
3m aluminium bifoldA three-panel aluminium bifold in a standard colour, fitted into a ready opening.£4,600–£9,100
Wide bifold or slimline sliderOpenings of 4m or more and slim-frame doors, often with a new steel above.£9,100–£18,000

Your price depends mostly on:

  • Width and height of the opening and number of panels
  • Frame material: uPVC, standard aluminium or slimline aluminium
  • Glazing upgrades such as solar control or triple glazing
  • Threshold type, colour choice and built-in blinds

What’s included?

  • Measured survey of the opening, lintel and floor levels
  • Toughened double glazing as standard, with solar control options
  • Level or low threshold options to suit your patio
  • Opening widened with a new lintel or steel where agreed
  • Weather seals, cills and internal trims finished neatly
  • Building regulations sign-off arranged for the new doors
Aluminium bifoldSlim, strong frames that fold back fully, the usual choice for wide openings onto a garden.
uPVC bifoldA lower-cost bifold suited to smaller openings, with a similar folding action and locks.
Slimline sliding doorVery thin aluminium frames for the maximum glass area, suited to modern extensions.
French doorsA pair of hinged doors, ideal for narrower openings of up to about 1.8m.

What are homes like around Hornchurch?

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.

London Clay shrinks and swells with the seasons, and street trees close to houses can contribute to movement, which affects foundation design.

With that background in mind, here is how we typically handle bifold or sliding doors for homes in Hornchurch, from the first visit to the finished result.

Planning and building rules in Hornchurch

Hornchurch is in England, so the planning and building rules set out below are the ones that apply. We confirm the details with the council before we quote.

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.

The four stages

  1. We look at the job

    A free survey comes first. It gives us what we need to price bifold or sliding doors properly, including dimensions, existing materials and access for deliveries, and gives you the chance to ask anything you like.

  2. Your fixed price

    Next you receive a written quote with a fixed price for the agreed specification. It lists what is included, what is not, and how payments are staged, so you can compare it properly.

  3. Plan and prepare

    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.

  4. On site to finish

    Our trades complete bifold or sliding doors while your point of contact keeps you updated. When everything is finished, we clear the site, take away waste and go through the result with you before handover.

How we work

One point of contactA single named contact handles your project from the first survey to the final handover, so you always know who to call with a question.
Written, fixed-price quotesYour quote states one fixed price for the work as we have specified it together, with inclusions and exclusions listed so there are no grey areas.
Changes agreed in writingIf something needs to change once work is under way, we explain why and confirm the cost or saving in writing before carrying on.
Plain-English adviceWe explain options, materials and trade-offs without jargon, so you can make decisions about your home with a clear picture of what each choice means.

Bifold and sliding doors in Hornchurch: questions

How long will bifold or sliding doors take?

On a typical home, allow 1–2 days to fit into a ready opening. 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.

Will large glass doors make my room cold?

Large glass doors lose more heat than an insulated wall, but modern double glazing with thermally broken frames performs far better than older patio doors. Solar control glass helps stop south-facing rooms overheating in summer. In extensions, building control looks at the total glazed area, so heat-loss calculations may be needed. We can suggest glass specifications that balance light, warmth and cost.

Are bifold doors secure?

Modern bifold and sliding doors are designed to be secure, with multi-point locks, shoot bolts into the frame, internally beaded glass and toughened or laminated glazing. The traffic door, which you use day to day, has a cylinder lock that can take an anti-snap barrel. Sliding doors also have anti-lift features. We explain the locking on each option so you can compare like for like.

Which postcodes in Hornchurch do you cover?

We cover RM1, RM2, RM7 and RM11, along with the rest of London. If your postcode is not listed, get in touch anyway: our coverage is UK-wide, and we can usually arrange a survey wherever you live. Enter your postcode in the guide-price tool or contact form and we will confirm.

Can you fit bifold doors where I have a window now?

Bifold doors can usually replace a window by cutting the wall down to floor level and, if the opening is being widened, fitting a new lintel or steel beam. A structural engineer sizes the beam, and building control approval is needed. Radiators, pipes and cables under the window may need moving. We check all of this at the survey and include it in a single written quote.

Near Hornchurch

If your address falls within RM1, RM2, RM7 and RM11, we cover it. The same goes for neighbouring Romford, Dagenham and Becontree, which we include alongside Hornchurch when arranging surveys and quotes.

Planning bifold or sliding doors in Hornchurch?

Ready to talk about bifold or sliding doors in Hornchurch? Book a free site survey and we'll send you a written, fixed-price quote for the specification you choose.

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