- Company number
- 03121040
- Incorporated
- 1 Nov 199530 years trading
- Registered office
- Anglia House 6 Central Avenue, ST Andrews Business Park, Thorpe ST Andrew, Norwich, Norfolk, NR7 0HR
- Nature of business
- Glazing
Norwich Windows and Conservatories Ltd. is a 30-year-old private limited company registered in Norwich, company number 03121040, one of 25 glazing companies in Norwich. Its next accounts are due at Companies House on 31 March 2027, and the CT600 for the period to 30 June 2026 is due at HMRC on 30 June 2027.
Key dates
Worked out from the year end and filing history on the Companies House register.
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Finances
From each year's balance sheet filed at Companies House. Small companies do not have to publish turnover or profit, so these are balance sheet figures.
- Net assets up £65K (+554%) on the year before, to £53K.
- Net assets rose in 5 of 9 year-on-year comparisons on record.
- Current assets of £368K against £328K owed within a year: 1.1 times cover.
- 6 employees on average during the year.
- Balance sheets on record for 10 years, 2016 to 2025.
Net assets by year
| Year end | Net assets | Cash | Current assets | Owed within a year | Employees |
|---|---|---|---|---|---|
| 30 Jun 2025 | £53K | £279K | £368K | £328K | 6 |
| 30 Jun 2024 | -£12K | £232K | £319K | £223K | 6 |
| 30 Jun 2023 | £243K | £465K | £542K | £307K | 6 |
| 30 Jun 2022 | £174K | £360K | £522K | £357K | 5 |
| 30 Jun 2021 | £146K | £382K | £443K | £310K | 5 |
| 30 Jun 2020 | £127K | £253K | £377K | £267K | 6 |
| 30 Jun 2019 | £138K | £289K | £413K | £297K | |
| 30 Jun 2018 | £96K | £164K | £275K | £209K | |
| 30 Jun 2017 | £188K | £226K | £321K | £163K | |
| 30 Jun 2016 | £190K | £334K | £380K | £199K |
Where Norwich Windows and Conservatories Ltd. is registered
The registered office is in Norwich (NR7), in the Broadland local authority area, East of England. Show NR7 0HR on a map.
Other trade companies in NR7
- Rme Norfolk LtdElectricians
- Hyvora LtdCleaning companies
- Animal Kingdom Supplies LtdSpecialist contractors
- Fransham Electrical LtdElectricians
- Tacrossley LtdElectricians
- Fix IT Russen LtdFinishing trades
- Pace Holstein Energy LimitedProperty developers
- K H Construction (Norwich) LtdInstallers
Also registered at this address
10 other companies use the same registered office as Norwich Windows and Conservatories Ltd..
- Glavenhill Strategic Land (Number 14) LimitedProperty developers
- Glavenhill Strategic Land (Number 16) LimitedProperty developers
- Glavenhill Strategic Land (Number 9) LimitedProperty developers
- JBM Electrical Services LtdElectricians
- John Hilditch (Builders) LimitedBuilders
- Norfolk Railway Village LimitedProperty developers
- Pennygate Properties LimitedProperty developers
- R.P.I. Engineering LimitedMechanics and garages
- Redstate LimitedProperty developers
- Spencer's Car Sales LimitedMotor traders
What happens if Norwich Windows and Conservatories Ltd. files late
Companies House charges an automatic penalty the day after the deadline, and it rises the longer the accounts are late. These are the dates for this company's accounts due on 31 March 2027.
| Companies House | Accounts delivered | Penalty |
|---|---|---|
| Up to 1 month late | 1 Apr 2027 to 30 Apr 2027 | £150 |
| 1 to 3 months late | 1 May 2027 to 30 Jun 2027 | £375 |
| 3 to 6 months late | 1 Jul 2027 to 30 Sep 2027 | £750 |
| More than 6 months late | From 1 Oct 2027 | £1,500 |
Penalties double if the accounts were also late the year before.
| HMRC (CT600) | From | Penalty |
|---|---|---|
| 1 day late | 1 Jul 2027 | £200 |
| 3 months late | 30 Sep 2027 | another £200 |
| 6 months late | 30 Dec 2027 | HMRC estimates the tax and adds 10% of the unpaid tax |
| 12 months late | 30 Jun 2028 | another 10% of any unpaid tax |
For returns filed on or after 1 April 2026. Late three times in a row and the £200 penalties become £1,000 each.
Company details
As held on the Companies House register.
- Company number
- 03121040
- Status
- Active
- Company type
- Private limited company
- Incorporated
- 1 November 1995 (30 years ago)
- Registered office
- Anglia House 6 Central Avenue, ST Andrews Business Park, Thorpe ST Andrew, Norwich, Norfolk, NR7 0HR
- Nature of business
- Glazing (SIC 43342)
- Year end
- 30 June (accounting reference date)
- Accounts type
- Total exemption (full)
- Last accounts made up to
- 30 June 2025
- Last confirmation statement
- 1 December 2025
Filing notes for glazing companies
Glazing companies often take deposits before work starts. Deposits held at the year end are a liability, not income, until the job is done.
Similar companies in Norwich
Other active glazing companies registered in Norwich.
- R and C Windows and Conservatories Ltd2021
- Slim Glass Limited2015
- Staybrite Home Ltd2025
- Thermeco (Fenestration) Ltd2022
- Truflex Home Improvements Ltd2025
- Ultra Glazing Solutions Limited2026
- Universal Glazing Ltd2022
- A2B Windows&Doors Ltd2026
All glazing companies in Norwich · All trades in Norwich · Glaziers across the UK
Frequently asked questions
When are Norwich Windows and Conservatories Ltd.'s accounts due?
Norwich Windows and Conservatories Ltd.'s next accounts are due at Companies House by 31 March 2027 (in 169 days), covering the period to 30 June 2026.
When is Norwich Windows and Conservatories Ltd.'s CT600 due?
The CT600 for the period to 30 June 2026 is due at HMRC by 30 June 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 April 2027.
Is Norwich Windows and Conservatories Ltd. still trading?
Norwich Windows and Conservatories Ltd. is listed as active on the Companies House register as of 1 Oct 2026. Active means it has not been dissolved or entered insolvency; it does not show whether it is currently taking on work.
What does Norwich Windows and Conservatories Ltd. do?
Norwich Windows and Conservatories Ltd. is registered under Glazing (SIC 43342).
How old is Norwich Windows and Conservatories Ltd.?
Norwich Windows and Conservatories Ltd. was incorporated on 1 November 1995, 30 years ago.
What is the penalty if Norwich Windows and Conservatories Ltd. files its accounts late?
Companies House charges £150 if the accounts are up to 1 month late, £375 up to 3 months, £750 up to 6 months and £1,500 after that, doubled if the previous year's accounts were also late. HMRC charges £200 for a CT600 filed a day late and another £200 at 3 months.
Official records
View Norwich Windows and Conservatories Ltd. on Companies House for filed documents, officers and the full history.
Based on the Companies House register (snapshot 1 Oct 2026). Deadlines are worked out from the register and assume a standard accounting period; a change of year end or a short period moves them. This page is general information, not tax or accountancy advice.