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Builders in Oxford — Est. 2013 51.7605° N · 1.2102° W

Extensions & loft conversions, built with care in Oxford.

House extensions, loft conversions, kitchens, bathrooms and whole-home renovations across Oxford and Oxfordshire — one team from the first drawing to the final coat of paint.

Open-plan kitchen extension with three roof lights, a grey island, herringbone oak floor and black-framed doors to the garden
Project Kitchen extension Location Oxford Status Completed Sheet 01

(00)Aqson Construction Ltd

Since 2013 we have been extending, converting and renovating homes across Oxford. One team takes your project from the first drawing and the steels through building control, kitchens and bathrooms right down to the last coat of paint.

(02)Featured project · Oxford OX2

From tired lean-to to a whole new home.

“Their craftsmanship and attention to detail set them apart.”

Checkatrade review · Feb 2025
Read the case study
Before the build: the rear of the OX2 semi-detached house with its original lean-to
01 — Before
During the build: the old lean-to removed, footings excavated and new steels delivered on site
02 — Groundworks
Finished single-storey rear extension in OX2 with roof lights and slim black glazed doors opening onto a stone patio
03 — Complete
  • 2013Incorporated in Oxford — Companies House no. 08826706
  • 45Client reviews across Google, Checkatrade & MyBuilder
  • 5.0Average Google rating from 18 reviews
  • 9.25Checkatrade score out of 10

(03)How we work

A clear route from first call to handover.

  1. 01

    Conversation

    Tell us what you have in mind — by phone, email or the form. We listen first.

  2. 02

    Site visit

    We measure up, look at structure and access, and talk through what is possible.

  3. 03

    Drawings & approvals

    Help with drawings, permitted development or planning, structural calculations and building control.

  4. 04

    Itemised quote

    A clear, line-by-line price and programme. No vague lump sums, no surprises.

  5. 05

    The build

    Groundworks, structure and finishes, with regular photo updates at every stage.

  6. 06

    Handover

    Final inspection, snagging, and your completion and trade certificates.

(04)Recent work

Built across Oxford.

(05)In our clients’ words

Most of our work comes from recommendations.

“We had an amazing project completed by this skilled team! They demolished an old rear lean-to and built a beautiful single-story 6m extension with a double-story addition, plus a loft conversion with a full dormer. They were friendly, knowledgeable, and really easy to work with, always listening to my ideas and offering expert advice. Their craftsmanship and attention to detail set them apart.”

Verified homeownerOxford, OX2 · February 2025 · Checkatrade

(06)Where we work

Based in Headington. Building across Oxfordshire.

From 1930s semis in Headington and Marston to Victorian terraces in Jericho and East Oxford, and family homes in Kidlington, Abingdon and Witney — we know the housing stock, the councils and the conservation areas.

↳Free site visit & itemised quote

Let’s talk about your home.

Tell us what you are planning. We will arrange a free site visit, give you honest advice and a clear, itemised quote.