Loft conversion in Gospel Oak
A loft conversion in Gospel Oak starts with one test: does the house keep its permitted development rights, and does the new roof space stay within 40 cubic metres for a terrace? DrawingsDirect, MCIAT-chartered, draws loft and dormer conversions in Camden from £695, and from £795 for front dormers.
Fixed fee from £495 drawings + £200 survey (£695 total) · all prices
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Terraces have the smaller allowance
Under Class B of the General Permitted Development Order, a terraced house can add up to 40 cubic metres of roof space without planning permission. Other houses are allowed more. The wording is on legislation.gov.uk.
If your Gospel Oak home is a terrace, it is on the lower limit, so the volume of the dormer is the first thing we calculate. A drawing that shows the dormer's size in cubic metres, rather than a vague claim that it is small, is what the council needs for a lawful development certificate.
How Camden treats householder applications
Our analysis of the MHCLG planning application statistics shows that Camden granted 89% of its householder decisions in the latest four quarters of published data, and refused 43. That is a good record, but refusals still happen.
Dormer position, materials and the relationship to neighbours matter as much as the headline volume.
Our analysis of the MHCLG planning application statistics shows that Camden granted 89% of its householder decisions in the latest four quarters of published data, and refused 43.
Front dormers and other harder cases
A dormer on the front roof slope, or any change on a street where permitted development has been withdrawn, usually needs a full application. Those drawings cost more because the design has to be argued as well as drawn: our fixed fee starts at £795 for a front dormer or a hip-to-gable with dormer.
Camden also determined 7 larger home extension prior approvals in the latest eight quarters. That route covers rear extensions rather than lofts, and the number is small.
Next steps for your Gospel Oak loft
Start with our dormer loft conversion drawings page for the process. Our standard fixed fee starts at £695. If you want a different roof form, compare a mansard conversion or the general loft conversion drawings service.
Check the Camden planning pages for any Article 4 direction on your street before you commit. Our planning permission service for Camden can do that check as part of a quote.
Sources
Every figure on this page, where it comes from and a link to the original.
| Figure | Source | Link |
|---|---|---|
| 40 cubic metres | GPDO 2015 Sch 2 Pt 1 Class B para B.1(d): roof space addition limit, terrace house (source wording: 40 cubic metres) | www.legislation.gov.uk |
| £695 | DrawingsDirect starting fixed fee for a rear extension, dormer or loft | drawingsdirect.co.uk |
| £795 | DrawingsDirect starting fixed fee for a front dormer or a hip-to-gable loft with a dormer | drawingsdirect.co.uk |
| 89% | Our analysis of MHCLG planning application statistics, table PS2 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| 43 | Our analysis of MHCLG planning application statistics, table PS2 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |
| 7 | Our analysis of MHCLG planning application statistics, table PS1 (district open data table) (released 24 Sep 2026, quarters to 2026 Q2) | www.gov.uk |