Dormer, hip-to-gable and mansard loft conversion drawings for Tilehurst homes — prepared to Reading Borough Council's design guidance, delivered in days and revised free until your decision lands, with a free approval-odds score first.
Reading Borough Council granted 87% of the householder planning decisions it made in its latest published year — level with the 87% England-wide householder average. Hip-to-gable and roof changes on the matched interwar semis are read against the symmetry of the paired houses, which is where a policy-literate drawing pack earns its keep. Its dominant Victorian (1837–1901), Edwardian (1901–1910), interwar (1918–1939) and postwar (1945–1970) housing stock sets the design brief on most streets.
Under Class B, a rear dormer stays permitted development up to 40m³ of added roof volume on a terrace or 50m³ on a semi-detached or detached house, while Class A allows a single-storey rear extension of 3m beyond the original rear wall on a terrace and 4m on a detached house before a full application is needed. In conservation areas such as The Mount and Routh Lane those rights are removed, so we confirm your exact address before a line is drawn. A validated householder application in Tilehurst is determined against an 8-week statutory target.
Tilehurst village (the older core around St Michael's church and Routh Lane), Norcot (interwar and postwar estates on the western slopes), Kentwood (1930s semi-detached suburbia stepping up the hill), Little Heath (detached and semi-detached houses on the borough's western edge), Chapel Hill (terraces and semis around the old chapel and railway) and The Mount (Victorian and Edwardian houses in the hillside conservation area) — these are the Tilehurst pockets our drawings cover most. Heritage designations here include The Mount and Routh Lane. Reading Borough Council weighs each proposal against the Reading Borough Local Plan (2019), where the elevated Tilehurst ridge means bulky rear and roof additions are checked for their effect on the western skyline. On roofs the borough is hipped roofs on the interwar semis and pitched and gabled roofs on the older terraces, over interwar semi-detached houses across the estates, Edwardian and Victorian terraces near the old village and postwar suburban housing toward Norcot and Kentwood.
Tilehurst's roofs set the brief. The borough is built largely from interwar semi-detached houses across the estates, Edwardian and Victorian terraces near the old village and postwar suburban housing toward Norcot and Kentwood, and its lofts sit under hipped roofs on the interwar semis and pitched and gabled roofs on the older terraces — the geometry that decides whether a rear dormer, a hip-to-gable or a mansard gives you the headroom you want. Reading Borough Council assesses loft proposals against the Reading Borough Local Plan (2019), and its case officers read each roof against the pair next door and the wider street before they read the plans.
That makes drawing quality decisive. We measure ridge and eaves heights, roof pitch and the existing stair, calculate the added volume against the permitted-development limits exactly, and show the workings on the drawings so Reading Borough Council can verify them. Hip-to-gable and roof changes on the matched interwar semis are read against the symmetry of the paired houses, so we resolve it on the page rather than leave it for the case officer to raise.
Tilehurst also carries protected streets — The Mount and Routh Lane among them. Tilehurst lies outside Reading's HMO Article 4 direction, which is focused on Park, Redlands and Katesgrove wards, so permitted-development rights apply as standard away from The Mount and Routh Lane conservation areas. We check your address against those designations before a line is drawn.
Many Tilehurst loft conversions proceed without planning permission — a rear dormer within the permitted-development volume limits (40 cubic metres on a terrace, 50 on a semi or detached house) is usually lawful. You will normally need a full application to Reading Borough Council if any of these apply:
We draw the roof line, the ridge height and the neighbour's daylight on the page — the relationships Reading Borough Council's officers check first — and submit a validation-complete pack, whether that is a lawful development certificate or a full householder application.
Below is Reading Borough Council's real householder decision record, pulled from official planning statistics and updated as new data lands. Tilehurst approves a high share of householder work, with most scrutiny falling on keeping the rhythm of its interwar semi-detached streets and the small The Mount and Routh Lane conservation areas. Professionally prepared loft drawings anticipate those pressure points before submission, which is why complete, policy-literate packs are decided faster and refused less often than DIY applications.
Source: MHCLG planning application statistics (householder decisions, England, 1 April 2025 - 31 March 2026). Compare every borough on our London approval-rate league table.
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.
Across Tilehurst village, Norcot and Kentwood, the recurring loft is the rear dormer — a box across the back roof slope that turns a cramped attic into a full-height double bedroom and en-suite. On hipped roofs on the interwar semis, that is usually the most efficient use of the roof; where the stock is pitched and gabled roofs on the older terraces, a hip-to-gable followed by a rear dormer unlocks far more space, though it needs a full application.
The elevated Tilehurst ridge means bulky rear and roof additions are checked for their effect on the western skyline. We draw the dormer inside the volume allowance, keep the flat-roof build-up below the ridge, and set the face back from the eaves as the rules require — so the pack answers Reading Borough Council's questions before they are asked. Where permitted-development rights are exhausted or removed, we prepare a householder application composed to the borough's roof-alteration guidance instead.
We draw loft conversions on every street in the borough. A few of the neighbourhoods where Tilehurst roofs come up most often:
Loft conversion drawings for Tilehurst village's the older core around St Michael's church and Routh Lane — measured, volume-checked and drawn to Reading Borough Council's guidance.
Loft conversion drawings for Norcot's interwar and postwar estates on the western slopes — measured, volume-checked and drawn to Reading Borough Council's guidance.
Loft conversion drawings for Kentwood's 1930s semi-detached suburbia stepping up the hill — measured, volume-checked and drawn to Reading Borough Council's guidance.
Loft conversion drawings for Little Heath's detached and semi-detached houses on the borough's western edge — measured, volume-checked and drawn to Reading Borough Council's guidance.
Loft conversion drawings for Chapel Hill's terraces and semis around the old chapel and railway — measured, volume-checked and drawn to Reading Borough Council's guidance.
Loft conversion drawings for The Mount's Victorian and Edwardian houses in the hillside conservation area — measured, volume-checked and drawn to Reading Borough Council's guidance.
The right loft in Tilehurst depends on your roof. This is how the main types compare on planning route and the space they add.
| Loft type | Permitted development? | Space & headroom | What Reading Borough Council checks |
|---|---|---|---|
| Rear dormer | Usually yes, within volume limits | Full-height double room at the back | Volume, set-back from eaves, ridge height |
| Hip-to-gable | No — full application | Extends the whole side of the roof | Roof bulk and the symmetry of the pair |
| Mansard | No — full application | Maximum floor area across the roof | Street character, especially in conservation areas |
| Rooflights only | Usually yes (Class C) | Light and headroom, no extra footprint | Whether rooflights sit within the existing slope |
Route depends on your street — conservation areas such as The Mount and Routh Lane and Article 4 directions can remove permitted-development rights.
A fixed process built around how Reading Borough Council validates and decides householder loft applications — most drawings are submission-ready within seven days of survey.
Tell us your Tilehurst postcode and roof type. We confirm your conservation and Article 4 status, how much permitted-development volume you have left, and score your odds against live Reading Borough Council decisions.
We measure ridge and eaves heights, roof pitch, joist levels and the existing stair — the numbers the volume calculation and head heights depend on.
Chartered designers develop the dormer, hip-to-gable or mansard to your brief, drawn inside the Class B limits or to Reading Borough Council's roof-alteration guidance.
We submit the certificate or application, manage validation and case-officer queries, and revise the drawings free until Reading Borough Council issues its decision.
Often not. A rear dormer within 40 cubic metres on a terrace, or 50 on a semi-detached or detached house, set back from the eaves and no higher than the ridge, is usually permitted development. In Tilehurst the main exceptions are hip-to-gable conversions, dormers visible from the highway, and homes in conservation areas such as The Mount and Routh Lane or on streets with an Article 4 direction. Reading Borough Council is the decision-maker.
Generally no. In conservation areas including The Mount and Routh Lane, Class B permitted-development rights for lofts are removed, so a rear dormer that would be lawful elsewhere needs a full application to Reading Borough Council. Tilehurst lies outside Reading's HMO Article 4 direction, which is focused on Park, Redlands and Katesgrove wards, so permitted-development rights apply as standard away from The Mount and Routh Lane conservation areas. We check your exact address before drawing.
On hipped roofs on the interwar semis, common across Tilehurst, a rear dormer is usually the most efficient conversion and often permitted development. Where the roof is pitched and gabled roofs on the older terraces, a hip-to-gable followed by a rear dormer gains far more usable space but needs planning permission. Our survey confirms which your roof supports before we draw. Reading Borough Council is the decision-maker.
A householder planning application in Tilehurst runs to a statutory eight-week target, and a lawful development certificate to eight weeks as well, though validation can add time if the pack is incomplete. We submit validation-complete drawings and manage case-officer queries to keep the decision on track. Reading Borough Council is the decision-maker.
If your dormer is permitted development, a lawful development certificate from Reading Borough Council is council-stamped proof of that — worth having, because every buyer's solicitor will ask for it when you sell. We prepare and submit the certificate application with the same drawing pack. This applies to your Tilehurst address specifically.
Every roof is different, so we quote each Tilehurst project individually — a fixed, no-obligation price back within one working day. The quote covers the full drawing pack with free revisions until Reading Borough Council approves, and we tell you upfront whether your loft qualifies as permitted development. Call 020 7864 7245 to start.
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.
Same fixed quotes, same fast drawings — wherever your project is.