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K.B.& Sons Limited

ActiveTotal exemption (full) accountsBuildersWokingham
Company number
01066551
Incorporated
17 Aug 197254 years trading
Registered office
22-24 Broad Street, Wokingham, Berkshire, RG40 1BA
Nature of business
Construction of commercial buildings
Accounts due in
260 days
30 Jun 2027
Net assets
£501K▼
-2.2% on the year before
Cash at bank
£510K▲
At 30 Sep 2025
Employees
2
Average during the year
From the Companies House register, 1 Oct 2026

K.B.& Sons Limited is a 54-year-old private limited company registered in Wokingham, company number 01066551, one of 75 building contractors in Wokingham. Its next accounts are due at Companies House on 30 June 2027, and the CT600 for the period to 30 September 2026 is due at HMRC on 30 September 2027.

Key dates

Worked out from the year end and filing history on the Companies House register.

Accounts due
30 Jun 2027
in 260 days
For the period to 30 Sep 2026
CT600 due
30 Sep 2027
in 352 days
Period 1 Oct 2025 to 30 Sep 2026
Corporation tax payment
1 Jul 2027
in 261 days
9 months and 1 day after the period end
Confirmation statement
7 Mar 2027
in 145 days
Last made up to 21 Feb 2026

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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 down £11K (-2.2%) on the year before, to £501K.
  • Net assets rose in 1 of 8 year-on-year comparisons on record.
  • Current assets of £539K against £208K owed within a year: 2.6 times cover.
  • 2 employees on average, down from 3 the year before.
  • Balance sheets on record for 9 years, 2017 to 2025.

Net assets by year

Net assets at each year end, 2017 to 2025£0£250K£500K30 September 2017: net assets £706K£706K201730 September 2018: net assets £684K£684K201830 September 2019: net assets £678K£678K201930 September 2020: net assets £673K£673K202030 September 2021: net assets £651K£651K202130 September 2022: net assets £668K£668K202230 September 2023: net assets £616K£616K202330 September 2024: net assets £512K£512K202430 September 2025: net assets £501K£501K2025
Net assets at each year end, 2017 to 2025£0£250K£500K30 September 2017: net assets £706K£706K'1730 September 2018: net assets £684K£684K'1830 September 2019: net assets £678K£678K'1930 September 2020: net assets £673K£673K'2030 September 2021: net assets £651K£651K'2130 September 2022: net assets £668K£668K'2230 September 2023: net assets £616K£616K'2330 September 2024: net assets £512K£512K'2430 September 2025: net assets £501K£501K'25
Year endNet assetsCashCurrent assetsOwed within a yearEmployees
30 Sep 2025£501K£510K£539K£208K2
30 Sep 2024£512K£337K£519K£19K3
30 Sep 2023£616K£7,749£910K£310K4
30 Sep 2022£668K£42K£677K£31K4
30 Sep 2021£651K£110K£802K£172K4
30 Sep 2020£673K£49K£828K£155K3
30 Sep 2019£678K£180K£681K£2,7983
30 Sep 2018£684K£288K£688K£3,5963
30 Sep 2017£706K£216K£736K£30K3

Who runs and owns K.B.& Sons Limited

From the Companies House register. Individuals are shown by initials only; the full register is on Companies House.

Officers (3)

NameRoleAppointed
D*** B***Directorbefore Feb 1991
K*** B***Directorbefore Feb 1991
D*** B***Secretarybefore Feb 1991

People with significant control (2)

Individual · since Apr 2016
D*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes
Individual · since Apr 2016
K*** B***
Owns 25% to 50% of the shares
Holds 25% to 50% of the votes

Charges (secured borrowing)

1 of 6 registered charges are outstanding. A charge is security a lender takes over a company's assets, typically for a loan, mortgage or asset finance.

LenderStatusRegistered
National Westminster Bank PLCOutstandingMay 2000
National Westminster Bank PLCSatisfied Mar 2008Feb 2003
National Westminster Bank PLCSatisfied Mar 2003Jul 2000
National Westminster Bank PLCSatisfied Mar 2003May 2000
National Westminster Bank PLCSatisfied Mar 2003Jun 1996
National Westminster Bank PLCSatisfied Mar 2003Jan 1986

Where K.B.& Sons Limited is registered

K.B.& Sons Limited's registered office on a map of the UK

The registered office is in Wokingham (RG40), in the Wokingham local authority area, South East. Show RG40 1BA on a map.

Other trade companies in RG40

What happens if K.B.& Sons Limited 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 30 June 2027.

Companies HouseAccounts deliveredPenalty
Up to 1 month late1 Jul 2027 to 31 Jul 2027£150
1 to 3 months late1 Aug 2027 to 30 Sep 2027£375
3 to 6 months late1 Oct 2027 to 31 Dec 2027£750
More than 6 months lateFrom 1 Jan 2028£1,500

Penalties double if the accounts were also late the year before.

HMRC (CT600)FromPenalty
1 day late1 Oct 2027£200
3 months late30 Dec 2027another £200
6 months late30 Mar 2028HMRC estimates the tax and adds 10% of the unpaid tax
12 months late30 Sep 2028another 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
01066551
Status
Active
Company type
Private limited company
Incorporated
17 August 1972 (54 years ago)
Registered office
22-24 Broad Street, Wokingham, Berkshire, RG40 1BA
Nature of business
Construction of commercial buildings (SIC 41201)
Year end
30 September (accounting reference date)
Accounts type
Total exemption (full)
Last accounts made up to
30 September 2025
Last confirmation statement
21 February 2026
Charges (mortgages)
1 outstanding of 6 registered

Filing notes for building contractors

Building companies often run the Construction Industry Scheme as a contractor, a subcontractor or both. CIS deductions suffered during the year are set against the PAYE bill, and any unrecovered balance at the year end matters when the accounts are drawn up.

Similar companies in Wokingham

Other active building contractors registered in Wokingham.

All building contractors in Wokingham · All trades in Wokingham · Builders across the UK

Frequently asked questions

When are K.B.& Sons Limited's accounts due?

K.B.& Sons Limited's next accounts are due at Companies House by 30 June 2027 (in 260 days), covering the period to 30 September 2026.

When is K.B.& Sons Limited's CT600 due?

The CT600 for the period to 30 September 2026 is due at HMRC by 30 September 2027, 12 months after the period end. The corporation tax itself is payable earlier, by 1 July 2027.

Is K.B.& Sons Limited still trading?

K.B.& Sons Limited 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 K.B.& Sons Limited do?

K.B.& Sons Limited is registered under Construction of commercial buildings (SIC 41201).

How old is K.B.& Sons Limited?

K.B.& Sons Limited was incorporated on 17 August 1972, 54 years ago.

Who runs K.B.& Sons Limited?

K.B.& Sons Limited has 2 active directors. Their names and service addresses are on the Companies House register.

Who owns K.B.& Sons Limited?

2 people or companies have significant control of K.B.& Sons Limited: an individual (owns 25% to 50% of the shares); an individual (owns 25% to 50% of the shares).

What is the penalty if K.B.& Sons Limited 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 K.B.& Sons Limited on Companies House for filed documents, officers and the full history.

Report an error on this page

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.

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