Jon Chambers Windows Logo

Jon Chambers Windows

King's Lynn, Norfolk
+Approved member since 2018

Services and skills

  • Windows / Doors / Conservatories

    23 skills

    Aluminium Windows Replacement / Installation

    Bay Windows Replacement / Installation

    Bifold Doors Replacement / Installation

    Composite Front Doors Replacement / Installation

    Conservatory Replacement / Installation

    Conservatory Roof Insulation

    Door Canopies

    Double Glazing Replacement / Installation

    Exterior Doors Replacement / Installation

    French Doors Replacement / Installation

    Frosted Windows

    Glass Replacement


    Patio Doors Replacement / Installation

    Porches Replacement / Installation

    Roof Windows Replacement / Installation

    Stable Doors

    Triple Glazing Replacement / Installation

    UPVC Doors Replacement / Installation

    UPVC Windows Replacement / Installation

    Window Fitters

    Window Tinting

    Windows and Doors

  • Services

    4 services

    • Domestic Work
    • Free Estimates (excl. Insurance)
    • Insurance Work Undertaken
    • Cards Accepted


Customer reviews

Overall ratingin last 12 months

9.33Write a review
  • Workmanship9.27 out of 10
  • Tidiness9.33 out of 10
  • Reliability9.20 out of 10
  • Courtesy9.53 out of 10
  • Quote Accuracy100 out of 100
Write a review

125 Total Reviews

The reviews below represent customers' views and not the views of Checkatrade

  • New conservatory, porch, window and garage door

    9.75Verified Review

    Jon Chambers Windows fitted a conservatory, porch, garage door and kitchen window for us this summer and we are extremely pleased with the whole process. From the initial meeting to the completion, the whole team have been easy and friendly to work with. The site was always left tidy and they were always mindful of our home. Paul's advice about the design was spot on and he really helped us make good decisions which made us feel that we had spent wisely. Nothing was too much bother. We now have much more flexible living space and our home feels much improved. Would totally recommend them.

    Location: PE12
  • Bi- fold doors, front doors, replacement glass

    10Verified Review

    Jon Chambers was recommended word of mouth, they have fitted our neighbours doors and windows. We requested a quote and Paul popped round measured up and the quote was back very promptly . We were having other building works done and Paul arranged to fit in time to tie in with the other trades. The fitters were excellent, polite and friendly. The brick layer was fantastic and ensured new brick work fitted in with existing. There was a few snagging areas and the fitters attend and made good. Very pleased from start to finish and cost were very reasonable. Would recommend Jon Chambers Windows.

    Location: PE14
  • Bedroom winow replacement

    10Verified Review

    Jon Chambers windows (JCW) were selected, for our replacement widow supply and fitting, by word of mouth in the local area. I cannot fault the professionalism of Paul, who assessed the problem that we were having and recommending the type of window for installation. Once we made the decision to contract with JCW, we were delighted with the two fitters who performed the work. They worked diligently, and were thoroughly pleasant and professional in their timeliness, tidyness and obvious skill at executing the job with no fuss. The finished installation really looks impressive.

    Location: PE32
  • Whole house windows/patio-door replacement

    10Verified Review

    Outstanding service from start to finish. From initial visit to final completion there isn’t one negative about is company. The price was super competitive and unlike ‘other national window companies’ there was no hard sell/staying for hours!! Paul (the boss) did a survey, gave us a price, then let us decide. The guys that came to fit the windows (Jake and Dan) were courteous, polite, worked clean and were super-professional! Even in the face of ‘Storm Babet’!! Overall I would not hesitate to recommend Jon Chambers windows to friends and family.

    Location: PE30
  • Airboard Cladding to existing Conservatory Roof (3.4m x 3.4m)

    10Verified Review

    The installation of Air board Cladding to Conservatory Roof 3.4m x 3.4M, along with a Space Blanket Insulation Also 6 sealed unit window panels replaced Great job, no nonsense quote for the job and a professional tidy installation by the team. What a transformation to the conservatory! Good job team…

    Location: PE12
  • Gutter and soffit

    10Verified Review

    Arrived promptly , kept me informed on how the work was going. Very polite and cleaned up all of the mess the work made.

    Location: PE30

Company profile

  • OwnerMr Jonathan Chambers
  • Member Since2018
  • Public Liability InsuranceSelf-Certified
  • AccreditationsChecked
  • AddressChecked
  • IdentityChecked
  • Checkatrade T&C'sSigned
  • VATNo
  • Company typeLtd Company

Company info

Jon Chambers Windows has been established since 2013.

Since then we have gone from strength to strength with the help of our loyal and valuable customers. 

We cover a 30 mile radius from our premises in Terrington St Clement, Kings Lynn, which is situated on the borders of Cambridgeshire, Norfolk and Lincolnshire. 

Our prices are highly competitive with our main focus on customer satisfaction. 

All our Senior Installers and Surveyors have passed the MTC (a qualification in the window installation industry). 

We are proud members of Certass Fenestration and Quality Assured National Warranties offering a 10 year insurance-backed guarantee. 

We are approved Team Guardian Solid Roof installers.

In addition to this we also give our own Workmanship Guarantee being covered for 10 years; accessories such as handles, locks etc. receive a 2 year Guarantee. 

We truly are a family run business with Jon Chambers as Managing Director, Paul Clarke as Sales Director and Lynne Chambers as Finance Director. All three are ably assisted by Lisa Clarke (Paul's wife) as Accounting Administrator, Sonia Clarke (Paul's sister) as Receptionist and Taylor Clarke (Paul and Lisa's son) as installer.

Between Jon and Paul they have in excess of 65 years experience in the window industry.

We install windows, doors, conservatories, and much more from the advanced Liniar range profile with an A+ thermal rating. Prices range to suit all requirements. 

Contact details

Accreditations and awards

Federation of Small Businesses

Federation of Small Businesses

Guardian Installer

Guardian Installer

Guardian Installer

Guardian Installer

QA National Warranties

QA National Warranties