MCIAT chartered drawings · Fixed fees across all 33 London boroughs
Services
Areas
Guides
ProcessOur promiseFAQ
Free approval reportGet my free quote020 7864 7245
Dormer loft conversion plans in St Marychurch — a full-height attic bedroom under a rear box dormer
St Marychurch · Dormer Loft Conversion Drawings & Planning

Dormer loft conversion plans in St Marychurch

Rear dormer drawings for St Marychurch roofs — the box across the back slope that turns a low attic into a full-height room, drawn to Torbay Council's guidance and the volume limits, delivered in days and revised free until your decision, with a free approval-odds check first.

★★★★★ Rated 4.9/5 by London homeowners96% approval rate · 2,400+ drawings delivered
Share

What the data says about planning in St Marychurch

Torbay Council granted 90% of the householder planning decisions it made in its latest published year — 3 points above the 87% England-wide householder average. St Marychurch contains Babbacombe Downs, Cary Park, Maidencombe conservation areas (Babbacombe Downs designated 1982), so materials, fenestration and roof form are assessed against the appraisal, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901) and interwar (1918–1939) housing stock sets the design brief on most streets.

Class A and Class B set the thresholds — a rear dormer to 40m³ on a terrace or 50m³ on a semi or detached, and a single-storey rear extension to 3m on a terrace or 4m on a detached house — beyond which Torbay Council needs a full application. St Marychurch carries at least one Article 4 direction, and conservation areas including Babbacombe Downs, Cary Park and Maidencombe remove those rights outright, so we confirm your exact address before a line is drawn. A validated householder application in St Marychurch is determined against an 8-week statutory target.

Babbacombe Downs (conservation area designated in 1982), Cary Park (conservation area designated in 1987), Maidencombe (conservation area designated in 1986) and St Marychurch (conservation area designated in 1980) — these are the St Marychurch pockets our drawings cover most. Heritage designations here include Babbacombe Downs, Cary Park, Maidencombe and St Marychurch. Torbay Council weighs each proposal against Torbay Council's adopted local plan and its householder design guidance, where the 6,640 homes here are 35% pre-1900, 12% 1919-1929, 8% 1930-1939, which is what sets the realistic roof and rear-projection options. On roofs the borough is steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped tiled roofs typical of early interwar building, over Victorian and earlier houses (35% of 6,640 homes), early interwar houses (12%) and 1930s semi-detached and detached houses (8%).

Designations, stock and decisions in St Marychurch

Heritage designation is the single biggest variable in St Marychurch, and it is address-specific: Babbacombe Downs (conservation area designated in 1982), Cary Park (conservation area designated in 1987), Maidencombe (conservation area designated in 1986) and St Marychurch (conservation area designated in 1980). Inside those boundaries permitted development is curtailed and Torbay Council assesses materials, window detail and roof form against the area's own appraisal, so a scheme that would be waved through two streets away can need a full application here.

Torbay Council has 2 recorded Article 4 directions, removing permitted development for rear and side extensions and other roof alterations, including rooflights — check the address before assuming PD applies in St Marychurch.

On stock, St Marychurch is Victorian and earlier houses (35% of 6,640 homes), early interwar houses (12%) and 1930s semi-detached and detached houses (8%) — which is why steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped tiled roofs typical of early interwar building govern what a loft or rear projection can realistically be. Torbay Council decided 266 householder applications in the latest published year and granted 90%, with 37% issued inside the eight-week target. We work from the council's own published record.

The full build-period split for St Marychurch runs pre-1900 35% (2,330 homes), 1900-1918 7% (490 homes), 1919-1929 12% (830 homes), 1930-1939 8% (510 homes), 1945-1954 1% (70 homes), 1955-1964 6% (380 homes), 1965-1972 7% (460 homes), 1973-1982 3% (200 homes), 1983-1992 6% (370 homes), 1993-1999 3% (180 homes) and 2000-2008 6% (370 homes). That distribution is why pre-1900 detailing dominates the drawings here, and it is measured from council-tax records rather than assumed from the street name.

Torbay Council also decides for Barton with Watcombe, Churston with Galmpton, Roundham with Hyde, Tormohun and Wellswood, so a decision in St Marychurch sits inside a wider pattern of decisions we track across the same authority — useful when an officer cites a precedent from the next area over.

The Article 4 directions recorded for this council include Churston and Polsham. Each removes a specific permitted-development right inside its own boundary, which is why the check is done on the address rather than on the town.

The published numbers behind a St Marychurch application

Published figures for St Marychurch and Torbay Council. These are the numbers that decide what is realistic on your street, so we work from them rather than from national averages.

MeasureSt Marychurch
Dwellings recorded6,640
Built pre-19002,330 (35%)
Built 1900-1918490 (7%)
Built 1919-1929830 (12%)
Built 1930-1939510 (8%)
Built 1945-195470 (1%)
Built 1955-1964380 (6%)
Built 1965-1972460 (7%)
Built 1973-1982200 (3%)
Built 1983-1992370 (6%)
Built 1993-1999180 (3%)
Built 2000-2008370 (6%)
Built before 191942%
Built 1919–193920%
Built 1945–200831%
Conservation areas in St Marychurch4 (Babbacombe Downs, Cary Park…)
Conservation areas district-wide24
Article 4 directions recorded2
Householder applications decided266
Householder applications granted90%
Decided within 8 weeks37%

Dwelling stock from VOA council-tax data at 31 March 2025; conservation-area and Article 4 counts from planning.data.gov.uk (MHCLG); decision figures are Torbay Council's own, from MHCLG live table PS2 for the year to 31 March 2026.

The rear dormer, drawn for St Marychurch roofs

The box dormer is the workhorse loft, and most of St Marychurch is built for it — the borough runs to Victorian and earlier houses (35% of 6,640 homes), early interwar houses (12%) and 1930s semi-detached and detached houses (8%) under steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building and hipped tiled roofs typical of early interwar building, and a flat-roofed box across the rear slope is the cheapest cubic metre of full-height space those roofs give up. Torbay Council tests the dormer against Torbay Council's adopted local plan and its householder design guidance, and because permitted development turns on a number, the volume you propose against the volume you have left is the first thing an officer or a certificate checks.

That is why the arithmetic goes on the drawings. We calculate the box against the 40- or 50-cubic-metre allowance, count any earlier roof enlargement into the total, hold the flat roof below the ridge and set the face back off the eaves so the dormer reads as subordinate. St Marychurch contains Babbacombe Downs, Cary Park, Maidencombe conservation areas (Babbacombe Downs designated 1982), so materials, fenestration and roof form are assessed against the appraisal, so the cheeks, the window line and the material are drawn to answer it rather than invite a query.

Where St Marychurch's streets are protected — Babbacombe Downs, Cary Park, Maidencombe and St Marychurch among them — the Class B dormer right is switched off and even a modest rear box needs consent. Torbay Council has 2 recorded Article 4 directions, removing permitted development for rear and side extensions and other roof alterations, including rooflights — check the address before assuming PD applies in St Marychurch. We confirm the designation before the box is sized.

Isometric rear box dormer drawing for a St Marychurch house

Does a dormer need planning permission in St Marychurch?

Many rear dormers in St Marychurch are permitted development, but the volume and position decide it. You will normally need a full application to Torbay Council if any of these apply:

  • The box would take the roof over 40 cubic metres on a terrace, or 50 on a semi-detached or detached house — including any earlier loft enlargement
  • The dormer faces the highway or would be built on the front roof slope
  • The dormer rises above the existing ridge, or sits on or forward of the original eaves rather than set back
  • The house is in a conservation area such as Babbacombe Downs and Cary Park, where Class B dormer rights are removed
  • An Article 4 direction covers your street — St Marychurch operates several, so this is confirmed first

St Marychurch dormer approval rates — live from council data

Below is Torbay Council's real householder decision record, drawn from official planning statistics and refreshed as new data lands. Torbay Council granted 90% of its householder applications in the year to 31 March 2026, and Babbacombe Downs shapes what is approved here. A dormer is decided on volume and set-back, so a pack that shows the calculation and the eaves detail is cleared faster and refused less often than a DIY submission.

Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.

90%householder applications approved in Torbay
87%national average — Torbay is 3 points above the national average

Ready for drawings your council will approve?

Tell us about your project and get a fixed, no-obligation quote back within one working day. If you don't need planning permission at all, we'll tell you that too — for free.

Get your free fixed quote

60 seconds now. A fixed, no-obligation quote back within one working day — and we'll tell you if you don't even need planning.

No obligation · No spam · Reply within 1 working day

What dormers get approved in St Marychurch

Across Babbacombe Downs, Cary Park and Maidencombe, the dormer that goes through is the subordinate rear box: flat roof kept low, cheeks clad to recede, side windows obscure-glazed against overlooking, and the whole thing set back so the original eaves line still reads from the garden. On steeply pitched slate roofs, valley gutters and party parapets typical of pre-1900 building, this returns a full-height double and en-suite from what was standing-room-only, usually inside the permitted-development volume.

The 6,640 homes here are 35% pre-1900, 12% 1919-1929, 8% 1930-1939, which is what sets the realistic roof and rear-projection options. We keep the box off the ridge, match the cheek material to the roof, and where the volume is already spent — or the street is designated — draw the dormer as a householder application composed to Torbay Council's roof-alteration guidance rather than push a certificate that would be refused.

Rear dormer bedroom built to approved drawings in St Marychurch

Dormer loft conversions across St Marychurch

We draw rear dormers on the terraced and semi-detached streets across the borough. A few of the neighbourhoods where St Marychurch dormers come up most often:

Babbacombe Downs

Dormer loft drawings for Babbacombe Downs's conservation area designated in 1982 — volume-checked, set-back-detailed and drawn to Torbay Council's guidance.

Cary Park

Dormer loft drawings for Cary Park's conservation area designated in 1987 — volume-checked, set-back-detailed and drawn to Torbay Council's guidance.

Maidencombe

Dormer loft drawings for Maidencombe's conservation area designated in 1986 — volume-checked, set-back-detailed and drawn to Torbay Council's guidance.

St Marychurch

Dormer loft drawings for St Marychurch's conservation area designated in 1980 — volume-checked, set-back-detailed and drawn to Torbay Council's guidance.

Is your St Marychurch dormer permitted development or a full application?

Whether a dormer in St Marychurch needs permission comes down to where it sits and how big the box is. This is how the cases compare.

Dormer typePermitted development?What it gainsWhat Torbay Council checks
Rear box, within volumeUsually yesFull-height room across the backVolume total, 20cm eaves set-back
Rear box, over volume limitNo — full applicationA larger roomHow far over the allowance, bulk
Front or side dormerNo — full applicationLight to the front roomsVisibility from the street, character
Dormer in a conservation areaNo — full applicationSame space, extra scrutinyRoof form and street appearance

In conservation areas such as Babbacombe Downs and Cary Park, Class B dormer rights are removed and every dormer needs a full application.

Four steps to an approved St Marychurch dormer

A fixed process built around how Torbay Council validates and decides dormer applications — most drawings are submission-ready within seven days of survey.

  1. 1

    Free approval check

    Send us your St Marychurch postcode and roof type. We confirm your conservation and Article 4 status, work out how much permitted-development volume you have left, and score your odds against live Torbay Council decisions.

  2. 2

    Measured survey

    We measure ridge and eaves heights, roof pitch and the existing loft floor — the numbers the volume calculation, the set-back and the head heights depend on.

  3. 3

    Dormer design & drawings

    Chartered designers develop the box to your brief, drawn inside the Class B volume limits or, where those are exhausted or removed, to Torbay Council's roof-alteration guidance.

  4. 4

    Submission & follow-through

    We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Torbay Council issues its decision.

Frequently asked questions

Does a dormer need planning permission in St Marychurch?

Often not. A rear box dormer within 40 cubic metres on a terrace, or 50 on a semi or detached house, set back at least 20 centimetres from the eaves and kept below the ridge, is usually permitted development. In St Marychurch you will need a full application to Torbay Council for a front or side dormer, a box that exceeds the volume, and any dormer in a conservation area such as Babbacombe Downs and Cary Park, where those rights are removed.

How big can a dormer be in St Marychurch without planning permission?

The permitted-development limit is a volume, not a footprint: 40 cubic metres of added roof space on a terraced house and 50 on a semi-detached or detached one, and any earlier loft enlargement counts against that total. In St Marychurch the box must also sit below the ridge and back from the eaves. We measure your roof and calculate the exact volume you have left before drawing. Torbay Council is the decision-maker.

Can I put a dormer on the front of my St Marychurch house?

Not under permitted development. A dormer on the front roof slope, or one facing a highway, always needs a full application to Torbay Council, because it changes how the house reads from the street. Rear box dormers are far more likely to be approved — or to be permitted development outright — which is why almost every St Marychurch dormer we draw sits on the back slope.

Do I need a party wall agreement for a dormer in St Marychurch?

Often, on a terrace or semi. If the dormer or the loft steelwork meets the party wall with your neighbour, the Party Wall etc. Act applies and notice must be served before work starts — separately from Torbay Council's planning decision. We flag the party-wall junction on the drawings so a surveyor can be appointed early and the build is not held up. This applies to your St Marychurch address specifically.

Do I need a lawful development certificate for a dormer in St Marychurch?

If your dormer is permitted development, a lawful development certificate from Torbay Council is council-stamped proof of it — worth holding, because a buyer's solicitor will ask for it when you sell. We prepare and submit the certificate with the same measured drawing pack that shows the box within its volume allowance. This applies to your St Marychurch address specifically.

How much do dormer loft conversion plans in St Marychurch cost?

We price each St Marychurch dormer individually, because the roof pitch and the volume left vary house to house, and send a fixed, no-obligation quote within one working day. It covers the full drawing pack with free revisions until Torbay Council approves, and we confirm at the outset whether your box is permitted development or needs an application. Call 020 7864 7245 to start.

Planning approval report

Know your approval odds before you spend a penny on drawings

Answer five quick questions and get a free planning score for your exact address — instantly. Then, if you want the full picture, unlock the detailed analysis: your council's live approval rates, local precedents, constraints on your street and a step-by-step route to permission.

Dormer loft conversion plans across Torbay

Same fixed quotes, same fast drawings — wherever your project is.

Other planning services in St Marychurch