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Building regulations for extensions across Middlesbrough

We prepare building regulations for extensions for homes in Middlesbrough, as a stand-alone service or as the first stage of a design and build project.

  • Guide price in MiddlesbroughFrom £800 inc VAT
  • Approval routeFull plans or building notice
  • Timescale2–5 weeks for drawings
  • Postcode districtsTS1, TS2, TS3, TS4, TS5
Builder installing a steel beam over a new rear opening on acrow props

When it helps

  • Homeowners using their own builder who need the drawings
  • Glass-heavy designs that need energy calculations
  • Every extension, whatever the planning route

Building regulations approval and planning permission are separate. A design can have planning consent and still need changes to meet the regulations, which is why we draw for both together.

Covering Middlesbrough

Postcode districts we cover around Middlesbrough include TS1, TS2, TS3, TS4, TS5, TS6. The same team covers Redcar (8 miles), Northallerton (19 miles), Whitby (22 miles), Ripon (32 miles), all within easy reach.

Homes across Yorkshire and the Humber range from back-to-back and through terraces to large suburban semis, and extension options vary with them.

Design and approval fees for Middlesbrough

Guide fees for Middlesbrough including VAT, using our Yorkshire and the Humber factor of ×0.94. Council and building control charges are not included.

OptionWhat it coversGuide price
EssentialBuilding regulations drawings for a simple single-storey extension£800 – £1,700
StandardDrawings plus structural calculations£1,200 – £2,450
PremiumComplex or two-storey pack with energy calculations£2,050 – £3,600

Our design fee only. Building control charges are set by your council (or, in England and Wales, a registered building control approver) and quoted separately.

Try the guide-price tool to see a range for your own size and finish.

Planning and approvals in Middlesbrough

Building regulations approval is separate from planning. In England you can use the council's building control team or a registered building control approver; a full plans application gets the drawings checked before work starts, and the inspector signs the work off with a completion certificate.

Before any drawing is finalised we check whether the house is listed, in a conservation area or subject to an Article 4 direction.

If the work involves a shared wall, building on the boundary, or digging foundations within 3 m (sometimes 6 m) of a neighbour's building, the Party Wall etc. Act 1996 applies and notice must be served before work starts: two months for work to a party wall, one month for new walls on the boundary and for excavations.

Applications are decided by the local planning authority (your district, borough or unitary council).

What happens next

Site visits are free and there is no obligation. Where drawings are needed, the design stage is priced in writing before it starts.

  1. Free site visit

    It starts with a visit to your house to measure, check access and talk through ideas and budget.

  2. Design and approvals

    Drawings are prepared and agreed with you, then submitted for the right planning route and building regulations approval.

  3. Fixed written price

    We confirm the build price in writing, based on the approved drawings and the finishes you have chosen.

  4. Build and sign-off

    The build is managed from start to finish, inspected at each stage and signed off on completion.

Questions answered

Do you cover all of Middlesbrough?

Yes. We cover Middlesbrough and the surrounding parts of North Yorkshire. Site visits are free and there is no obligation.

How long does this take for a Middlesbrough home?

2–5 weeks for drawings, depending on the council and the complexity of the project.

Will my neighbours in Middlesbrough be involved?

If a planning application or prior approval is needed, the council notifies neighbours. If the work is on or near a shared boundary, party wall notices may also be needed.

Full plans or building notice?

A full plans application gets the drawings checked before work starts, which we usually recommend for extensions. A building notice is quicker to submit but carries more risk if something needs changing on site.

Who are building control?

Either your local council’s building control team or a registered building control approver. Both inspect the work and issue the completion certificate.

Book a free site visit in Middlesbrough

We will measure up, check the planning position and give you honest guide figures.

  • Free, no-obligation site visit
  • Planning route checked before you spend on drawings
  • Written price once the design is agreed
  • Building control sign-off at the end

Prefer to talk? Call 0800 088 6341 or .

Book a free site visit

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